Nuclear Energy:
Overview of Congressional Issues

Updated July 16, 2020
Congressional Research Service
https://crsreports.congress.gov
R42853




Nuclear Energy: Overview of Congressional Issues

Summary
The policy debate over the role of nuclear power in the nation’s energy mix is rooted in the
technology’s fundamental characteristics. Nuclear reactors can produce potentially vast amounts
of useful energy with relatively low consumption of natural resources and emissions of
greenhouse gases and other pollutants. However, facilities that produce nuclear fuel for civilian
power reactors can also produce materials for nuclear weapons. In addition, the process of nuclear
fission (splitting of atomic nuclei) to generate power produces radioactive material that can
remain hazardous for thousands of years and must be contained. How to manage the weapons
proliferation and safety risks of nuclear power, or whether the benefits of nuclear power are worth
those risks, are issues that have long been debated in Congress.
The 95 licensed nuclear power reactors at 57 sites in the United States generate about 20% of the
nation’s electricity. Two new reactors are currently under construction. About a dozen more are
planned, but with no specific construction dates. Whether they will eventually move forward will
depend largely on their economic competitiveness with natural gas and renewable energy sources.
Similar economic forces are affecting existing reactors. Ten U.S. reactors were permanently
closed from 2013 through April 2020, and five more are planned for closure through the mid-
2020s.
The Department of Energy (DOE) and its predecessor agencies for decades have conducted
research on “advanced” reactor technologies, such as fast neutron reactors, that would differ
significantly from existing commercial nuclear plants and potentially be far smaller. Proponents
of advanced reactors contend that they would be safer, more efficient, and less expensive to build
and operate than today’s conventional light water reactors (LWRs).
Highly radioactive spent nuclear fuel that is regularly removed from nuclear power plants is
currently stored at plant sites in the United States. Development of a permanent underground
repository at Yucca Mountain, NV, was suspended by the Obama Administration. The Trump
Administration requested funding for FY2018, FY2019, and FY2020 to revive the program, but it
was not approved by Congress. The Administration is not seeking Yucca Mountain program
funding for FY2021.
The Obama Administration had appointed the Blue Ribbon Commission on America’s Nuclear
Future to recommend an alternative approach to the Nuclear Waste Policy Act’s focus on Yucca
Mountain for permanent high-level waste disposal. In response to the commission’s
recommendations, DOE issued a waste strategy in January 2013 that called for the selection of
new candidate sites for nuclear waste storage and disposal facilities through a “consent-based”
process and for a surface storage pilot facility to open by 2021. However, Congress has not
enacted legislation for such a strategy, so Yucca Mountain remains the sole authorized candidate
site, despite its lack of funding.
The March 2011 disaster at the Fukushima Dai-ichi nuclear power plant in Japan increased
attention to nuclear safety throughout the world. The Nuclear Regulatory Commission (NRC),
which issues and enforces nuclear safety requirements, established a task force to identify lessons
from Fukushima applicable to U.S. reactors. The task force’s report led to NRC’s first
Fukushima-related regulatory requirements on March 12, 2012. Several other countries, such as
Germany and Japan, eliminated or reduced their planned future reliance on nuclear power after
the accident.
The level of security that must be provided at nuclear power plants has been a high-profile issue
since the 9/11 terrorist attacks on the United States in 2001. Since those attacks, NRC issued a
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Nuclear Energy: Overview of Congressional Issues

series of orders and regulations that substantially increased nuclear plant security requirements,
although industry critics contend that those measures are still insufficient.
Encouraging exports of U.S. civilian nuclear products, services, and technology while making
sure they are not used for foreign nuclear weapons programs has long been a fundamental goal of
U.S. nuclear energy policy. Recent proposals to build nuclear power plants in several countries in
the less developed world, including the Middle East, have prompted concerns that international
controls may prove inadequate.
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Contents
Synthesis of Key Issues ................................................................................................................... 1
Basic Facts and Statistics................................................................................................................. 2
Major Nuclear Energy Issues .......................................................................................................... 4
Radioactive Waste ..................................................................................................................... 4
Recent Events ..................................................................................................................... 4
Recent Congressional Action .............................................................................................. 5
Other Selected Legislation .................................................................................................. 6
CRS Reports ....................................................................................................................... 7
Additional References ......................................................................................................... 7

Nuclear Plant Economic Viability ............................................................................................. 7
Recent Events ..................................................................................................................... 9
Selected Congressional Action .......................................................................................... 11
CRS Reports ...................................................................................................................... 11
Additional References ....................................................................................................... 12
Advanced Nuclear Technology ............................................................................................... 12
Recent Events ................................................................................................................... 13
Selected Congressional Action ......................................................................................... 14
CRS Reports ..................................................................................................................... 16
Additional References ....................................................................................................... 16

Safety ...................................................................................................................................... 17
Recent Events ................................................................................................................... 17
Selected Congressional Action ......................................................................................... 18
CRS Reports ..................................................................................................................... 19
Additional References ....................................................................................................... 19

Security and Emergency Response ......................................................................................... 19
Recent Events ................................................................................................................... 20
CRS Reports ..................................................................................................................... 20
Additional References ....................................................................................................... 20

Nuclear Weapons Nonproliferation ......................................................................................... 21
Recent Events ................................................................................................................... 21
Selected Congressional Action ......................................................................................... 23
CRS Reports ..................................................................................................................... 24
Other References ............................................................................................................... 24


Tables
Table 1. Recent and Announced U.S. Commercial Reactor Shutdowns ......................................... 8

Contacts
Author Information ........................................................................................................................ 25

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Nuclear Energy: Overview of Congressional Issues

Synthesis of Key Issues
The long-running policy debate over the future of nuclear energy is rooted in the technology’s
inherent characteristics. Initially developed for its unprecedented destructive power during World
War II, nuclear energy seemed to hold equal promise after the war as a way of providing limitless
energy to all humanity. International diplomacy has focused ever since on finding institutional
mechanisms for spreading the perceived benefits of nuclear energy throughout the world while
preventing the technology from being used for the proliferation of nuclear weapons. Much of this
international effort is focused on key nuclear fuel cycle facilities—plants for enriching uranium in
the fissile isotope U-235 and for separating plutonium from irradiated nuclear fuel. Such plants
can be used to produce civilian nuclear reactor fuel as well as fissile material for nuclear
warheads.
Yet even the use of nuclear power solely for peaceful energy production has proven intrinsically
controversial. The harnessing of nuclear fission in a reactor creates highly radioactive materials
that must be kept from overheating and escaping from the reactor building, as occurred during the
accidents at Fukushima, Chernobyl, and, to a lesser extent, Three Mile Island. Spent nuclear fuel
that is regularly removed from reactors during refueling must be isolated from the environment
for up to 1 million years. Potential technologies to reduce long-lived nuclear waste through
recycling usually involve separating plutonium that could be used for nuclear weapons, although
technologies designed to reduce proliferation risks are also the subject of worldwide research and
development efforts. All nuclear energy technologies, even with recycling, would still leave
substantial amounts of radioactive waste to be stored and disposed of. Central storage and
disposal sites for nuclear waste have proven difficult to develop throughout the world, as
illustrated by the long-running controversy over the proposed U.S. waste repository at Yucca
Mountain, NV.
The March 2011 disaster at Japan’s Fukushima Dai-ichi nuclear power plant, which forced the
evacuation of areas as far as 30 miles away, has slowed nuclear power expansion plans around the
world, particularly in Japan and Western Europe. However, dozens of new reactors are still being
planned and built in China, India, Russia, and elsewhere.1 In these areas, nuclear power’s initial
promise of generating large amounts of electricity without the need for often-imported fossil
fuels, along with the more recent desire to reduce greenhouse gas emissions, remains a
compelling motivation.
With 95 licensed reactors, the United States has the largest nuclear power industry in the world.
But U.S. nuclear power growth has been largely stagnant for the past two decades, as natural gas
and renewable energy have captured most of the market for new electric generating capacity.2
Congress enacted incentives for new nuclear plants in the Energy Policy Act of 2005 (P.L. 109-
58), including production tax credits, loan guarantees, and insurance against regulatory delays.
Those incentives, combined with rising natural gas prices and concerns about federal restrictions
on carbon dioxide emissions, prompted announcements by late 2009 of up to 30 new nuclear
power reactors in the United States.3 However, subsequent declines in natural gas prices and
uncertainty about carbon dioxide controls have put most of those projects on hold. Currently, two

1 World Nuclear Association, “World Nuclear Power Reactors and Uranium Requirements,” May 2020,
http://www.world-nuclear.org/information-library/facts-and-figures/world-nuclear-power-reactors-and-uranium-
requireme.aspx.
2 Energy Information Administration, “Natural Gas and Renewables Make Up Most of 2018 Electric Capacity
Additions,” May 7, 2018, https://www.eia.gov/todayinenergy/detail.php?id=36092.
3 Nuclear Regulatory Commission, “Expected New Nuclear Power Plant Applications,” updated March 28, 2008,
https://www.nirs.org/wp-content/uploads/nukerelapse/industry/expectednewrxapplications32808.pdf.
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new reactors in Georgia are under construction. Two identical reactors under construction in
South Carolina were canceled July 31, 2017. An older reactor, Watts Bar 2 in Tennessee, received
an NRC operating license on October 22, 2015, after construction had been suspended for two
decades and then completed. A variety of incentives to renew the growth of nuclear power have
been proposed, including a proposal by the Trump Administration to provide additional revenue
to nuclear and coal power plants in wholesale electricity markets.
Existing U.S. nuclear power plants are facing difficult competition from natural gas and
renewable energy. Ten U.S. reactors were permanently closed from 2013 through April 2020.
Three of those units closed because of the need for expensive repairs, two were retired under
agreements with state regulators, and five could not compete in their regional wholesale
electricity markets. The most recent shutdowns were New Jersey’s Oyster Creek plant in
September 2018,4 Pilgrim (MA) in May 2019, Three Mile Island (PA) in October 2019, and
Indian Point 2 (NY) in April 2020. All 10 units had substantial time remaining on their initial 40-
year operating licenses or had received or planned to apply for 20-year license extensions from
the Nuclear Regulatory Commission (NRC). The owners of five additional reactors have
announced that they will permanently shut down by the mid-2020s (Table 1). The actual and
planned shutdowns have prompted widespread discussion about the future of other aging U.S.
reactors.
The extent to which the growth of nuclear power should be encouraged in the United States and
around the world will continue to be a major component of the U.S. energy policy debate.
Questions for Congress will include the implementation of policies to encourage or discourage
nuclear power, post-Fukushima safety standards, development of new nuclear power and fuel
cycle technologies, and nuclear waste management strategies.
Basic Facts and Statistics
The 95 licensed nuclear power reactors at 57 sites in the United States generate about 20% of the
nation’s electricity. The oldest of today’s operating reactors were licensed in 1969, and the most
recently licensed was Watts Bar 2 in 2015. The most recent to start up before Watts Bar 2 was its
twin unit, Watts Bar 1, in 1996.5 All U.S. reactors were initially licensed to operate for 40 years,
but nearly all of them have received or applied for 20-year license renewals by NRC.6 NRC
issued its first “subsequent license renewals,” which allow operation for up to 80 years, to the
Turkey Point 1 and 2 reactors in Florida in December 2019. Two more renewals to 80 years, for
Peach Bottom 2 and 3 in Pennsylvania, were issued in March 2020. Another two subsequent
license renewal applications are currently under review, and five more have been announced.7
Under the current mixture of 40- and 60- and 80-year licenses, all of today’s operating reactors
would shut down by 2055. If newer reactors such as Watts Bar 1 and 2 eventually were to receive
license renewals to 80 years, the shutdown date for the existing fleet could be pushed back by two

4 The New Jersey Department of Environmental Protection issued an administrative consent order on December 9,
2010, allowing Oyster Creek to continue running without a cooling tower in return for an agreement by the plant’s
owner, Exelon, to retire the plant by the end of 2019, 10 years before the expiration of its NRC operating license. See
https://www.sec.gov/Archives/edgar/data/1109357/000119312510277630/dex991.htm.
5 Nuclear Regulatory Commission, Information Digest, 2018–2019, NUREG-1350, Volume 30, https://www.nrc.gov/
reading-rm/doc-collections/nuregs/staff/sr1350/.
6 Nuclear Regulatory Commission, “Status of Initial License Renewal Applications and Industry Initiatives,” October
9, 2019, https://www.nrc.gov/reactors/operating/licensing/renewal/applications.html.
7 Nuclear Regulatory Commission, “Status of Subsequent License Renewal Applications,” April 16, 2020,
https://www.nrc.gov/reactors/operating/licensing/renewal/subsequent-license-renewal.html.
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decades or more. However, as noted above, many U.S. reactors have been retired before their
license expirations, with five more currently scheduled to do so.
Whether new reactors will be constructed to replace the existing fleet or even to expand nuclear
power’s market share will depend largely on costs. The cost of building and operating a new
nuclear power plant in the United States is generally estimated to be significantly higher than
natural gas combined-cycle plants (which use both combustion and steam turbines to generate
electricity) and above wind and solar as well. For example, the Energy Information
Administration (EIA) estimates that, for plants coming on line in 2025, the average cost of
electricity generation from a nuclear power plant would be 7.5 cents per kilowatt-hour (kwh),
including tax credits, while advanced combined-cycle gas-fired generation would cost 3.8
cents/kwh and an ultracritical coal plant would cost 7.6 cents/kwh. EIA estimates that electricity
from onshore wind would cost 4.0 cents/kwh, solar photovoltaics 3.3 cents/kwh, and geothermal
3.5 cents/kwh.8 Such estimates depend on a wide range of variables, such as future fuel costs,
regional solar and wind availability, current and future tax incentives, and environmental
regulations. The specific attributes of each generating technology, such as the intermittent nature
of solar and wind, are also important considerations in power plant construction decisions.
The two new U.S. reactors under construction at the Vogtle nuclear plant site in Georgia, after
considerable construction delays and cost overruns, are now scheduled to begin operating in
November 2021 and November 2022.9 As noted above, construction of two new units in South
Carolina has been terminated. Licenses to build and operate 10 additional reactors have been
issued by NRC. However, applications for 14 other new reactors have been withdrawn or
suspended. An application for a license to build a 1.5 megawatt microreactor at Idaho National
Laboratory was submitted to NRC on March 11, 2020.10 Aside from the 2 new Vogtle units, the
10 other planned reactors with issued licenses do not have specific schedules for moving toward
construction.
Throughout the world, 440 reactors are currently in service or operable, and 55 more are under
construction. France is the most heavily nuclear-reliant country in the world, with 58 reactors
generating 71% of the country’s electricity in 2019. Thirty-one countries in 2017 (plus Taiwan)
generated at least some of their electricity from nuclear power.11
After the Fukushima accident, Germany, which had previously generated about 30% of its
electricity with nuclear power, closed 8 of the country’s 17 power reactors and decided to shut the
remainder by 2022. Japan, which had also generated about 30% of its electricity with nuclear
power and had planned to raise that level to 50%, now is planning for about 20% by 2030. All
Japanese reactors were closed within a year after the tsunami, and only 9 of Japan’s 37 operable
reactors are currently in commercial service. An additional 25 Japanese reactors have applied for

8 Energy Information Administration, “Levelized Cost and Levelized Avoided Cost of New Generation Resources in
the Annual Energy Outlook 2020,” Table 1b, February 2020, https://www.eia.gov/outlooks/aeo/pdf/
electricity_generation.pdf. Levelized costs include capital costs averaged over the life of the plant, plus fuel and
maintenance costs and tax credits, in 2019 dollars.
9 Georgia Power Company, “Georgia Power’s New Vogtle Units Approximately 79% Complete,” August 30, 2019,
https://www.georgiapower.com/company/news-center/2019-articles/georgia-power-new-vogtle-units-approximately-
79-percent-complete.html.
10 Nuclear Regulatory Commission, “Combined License Applications for New Reactors,” May 6, 2020,
https://www.nrc.gov/reactors/new-reactors/col.html.
11 World Nuclear Association, “Nuclear Share Figures, 2008-2018,” http://www.world-nuclear.org/information-library/
facts-and-figures/nuclear-generation-by-country.aspx; World Nuclear Association, “World Nuclear Power Reactors and
Uranium Requirements,” op. cit.
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restart, which involves safety upgrades to meet new regulatory requirements. It is not clear how
many of Japan’s operable reactors will ultimately restart.12 France had planned to reduce nuclear
power to 50% of the country’s total generation by 2025, although that goal has been delayed to
2035.13
Major Nuclear Energy Issues
Radioactive Waste
After several years in a nuclear reactor, nuclear fuel (primarily uranium) can no longer
economically sustain a nuclear chain reaction and becomes highly radioactive. Such spent nuclear
fuel must regularly be removed from operating reactors and stored in adjacent pools of water.
After several years of cooling, the spent fuel can be placed in dry casks for storage elsewhere on
the plant site. When existing U.S. reactors were built, spent fuel had been expected to be taken
away for reprocessing (separation of plutonium and uranium to make new fuel) or permanent
disposal. However, reprocessing has not become commercialized in the United States, for
economic and nonproliferation reasons, and central waste storage and disposal facilities have
proven difficult to site. As a result, the vast majority of U.S. commercial spent fuel remains at the
nuclear plants where it was generated—estimated at 83,831 metric tons at the end of 2019 and
increasing at the rate of about 2,000 metric tons per year.14
The Nuclear Waste Policy Act of 1982 (P.L. 97-425, NWPA), as amended in 1987, named Yucca
Mountain, NV, as the nation’s sole candidate site for a permanent high-level nuclear waste
repository. NWPA required the Department of Energy (DOE) to study the site and seek a license
from NRC to build a repository there.
Recent Events
Citing opposition from the State of Nevada, the Obama Administration decided to halt the Yucca
Mountain project, and no funding has been appropriated for it since FY2010. The Trump
Administration included funding to restart Yucca Mountain licensing in its FY2018, FY2019, and
FY2020 budget submissions to Congress, but the funding was not included in the enacted
appropriations measures for any of those years. The Administration did not seek Yucca Mountain
repository funding for FY2021, but only funds for interim storage planning. The House
Appropriations Committee included the Administration’s interim storage funding request in the
FY2021 Energy and Water Development Appropriations bill (H.R. 7613, H.Rept. 116-449)
approved by the committee July 13, 2020.
The Obama Administration appointed the Blue Ribbon Commission on America’s Nuclear Future
to develop an alternative nuclear waste policy, and its final report was issued in January 2012.
DOE responded in January 2013 with a waste strategy that called for a “consent-based” process
to select nuclear waste storage and disposal sites and for a surface storage pilot facility to open by

12 World Nuclear Association, “Nuclear Power in Japan,” March 2020, http://www.world-nuclear.org/information-
library/country-profiles/countries-g-n/japan-nuclear-power.aspx.
13 World Nuclear Association, “Nuclear Power in France,” March 2020, https://www.world-nuclear.org/information-
library/country-profiles/countries-a-f/france.aspx.
14 Oak Ridge National Laboratory, Centralized Used Fuel Resource for Information Exchange (CURIE) Interactive
Map, viewed June 15, 2020, https://curie.ornl.gov/map.
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2021.15 DOE issued a Draft Consent-Based Siting Process shortly before the end of the Obama
Administration.16
A federal appeals court on August 13, 2013, ordered NRC to continue the Yucca Mountain
licensing process with previously appropriated funds.17 In response, NRC issued the final
volumes of the Yucca Mountain Safety Evaluation Report (SER), which provided the NRC staff’s
determination that the repository would meet all applicable standards. However, the staff said
upon completing the SER that NRC should not authorize construction of the repository until all
land and water rights requirements were met and a supplement to DOE’s environmental impact
statement (EIS) was completed.18 NRC completed the supplemental EIS in May 2016 and made
its database of Yucca Mountain licensing documents publicly available, using nearly all the
remaining previously appropriated licensing funds.19
Recent Congressional Action
Nuclear Waste Policy Amendments Act of 2019 (H.R. 2699, McNerney/S. 2917,
Barrasso)
Addresses a major condition for licensing the Yucca Mountain repository by withdrawing the
repository site from use under public lands laws and placing it solely under DOE’s control.
Would also authorize DOE to store spent fuel at an NRC-licensed interim storage facility owned
by a nonfederal entity and increase the capacity limit on the Yucca Mountain repository from
70,000 to 110,000 metric tons. House bill introduced May 14, 2019; referred to Committees on
Energy and Commerce; Natural Resources; Armed Services; Budget; and Rules. Approved by
Energy and Commerce Committee’s Environment and Climate Change Subcommittee September
26, 2019, by voice vote. Passed the House Energy and Commerce Committee by voice vote
November 20, 2019. Legislative hearing on discussion draft of S. 2917 held May 1, 2019, by
Senate Environment and Public Works Committee; introduced and referred to the committee on
November 20, 2019.
Nuclear Waste Administration Act of 2019 (S. 1234, Murkowski)
Establishes an independent Nuclear Waste Administration (NWA), which would be authorized to
develop nuclear waste storage and disposal facilities with the consent of the affected state, local,
and tribal governments. In addition to receiving consent-based siting authority, NWA would take
over DOE’s authority under NWPA to construct and operate a repository at Yucca Mountain and

15 DOE, Strategy for the Management and Disposal of Used Nuclear Fuel and High-Level Radioactive Waste, January
2013, http://energy.gov/sites/prod/files/2013%201-15%20Nuclear_Waste_Report.pdf.
16 DOE, Draft Consent-Based Siting Process for Consolidated Storage and Disposal Facilities for Spent Nuclear Fuel
and High-Level Radioactive Waste
, January 12, 2017, https://energy.gov/sites/prod/files/2017/01/f34/
Draft%20Consent-Based%20Siting%20Process%20and%20Siting%20Considerations.pdf.
17 U.S. Court of Appeals for the District of Columbia Circuit, In re: Aiken County et al., No. 11-1271, writ of
mandamus, August 13, 2013, http://www.cadc.uscourts.gov/internet/opinions.nsf/
BAE0CF34F762EBD985257BC6004DEB18/$file/11-1271-1451347.pdf.
18 NRC, “NRC Publishes Final Two Volumes of Yucca Mountain Safety Evaluation,” news release 15-005, January 29.
2015, http://www.nrc.gov/reading-rm/doc-collections/news/2015/.
19 NRC, Supplement to the U.S. Department of Energy’s Environmental Impact Statement for a Geologic Repository
for the Disposal of Spent Nuclear Fuel and High-Level Radioactive Waste at Yucca Mountain, Nye County, Nevada
,
NUREG-2184, Final Report, May 2016, http://www.nrc.gov/reading-rm/doc-collections/nuregs/staff/sr2184/; “NRC
Staff Issues Volume 3 of Yucca Mountain Safety Evaluation Report,” news release 14-069, October 16, 2014,
http://www.nrc.gov/reading-rm/doc-collections/nuregs/staff/sr1949/v3/.
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DOE’s waste disposal contractual obligations. The bill specifically provides that it would not
affect the ongoing Yucca Mountain licensing process. Introduced April 30, 2019; referred to
Committee on Energy and Natural Resources. Hearing held June 27, 2019.
Other Selected Legislation
Nuclear Waste Informed Consent Act (H.R. 1544 , Titus/S. 649, Cortez Masto)
Requires the Secretary of Energy to obtain the consent of affected state and local governments
before making expenditures from the Nuclear Waste Fund for a nuclear waste repository. Both
bills introduced March 5, 2019. House bill referred to Committee on Energy and Commerce;
Senate bill referred to Committee on Environment and Public Works.
Sensible, Timely Relief for America’s Nuclear Districts’ Economic Development
(STRANDED) Act (S. 1985, Duckworth/H.R. 5608, Schneider)
For communities with closed nuclear power plants that are storing spent nuclear fuel, authorizes
annual grants of $15 for each kilogram of nuclear waste to offset “the economic and social
impacts of stranded nuclear waste.” Authorizes DOE to establish a prize competition for
alternative activities at closed reactor sites. House bill also provides tax credits for first-time
homebuyers in communities with closed nuclear plants and compensation to local governments
for the loss of tax revenue from reactor shutdowns. Senate bill introduced June 26, 2019; referred
to Committee on Environment and Public Works. House bill introduced January 15, 2020;
referred to Committees on Transportation and Infrastructure; Financial Services; and Ways and
Means.
Jobs, Not Waste Act (H.R. 1619, Susie Lee/S. 721, Rosen)
Prohibits the Secretary of Energy from taking any action relating to the licensing, planning,
development, or construction of a nuclear waste repository until the Director of the Office of
Management and Budget submits to Congress a study on alternative economic uses of the Yucca
Mountain site and congressional hearings are held on the subject. Both bills introduced March 7,
2019; House bill referred to Committee on Energy and Commerce and Senate bill referred to
Committee on Environment and Public Works.
Spent Fuel Prioritization Act of 2019 (H.R. 2995, Mike Levin)
Requires DOE to give the highest priority for storage or disposal of spent nuclear fuel to reactors
that have permanently shut down, have the highest surrounding population, and have the highest
earthquake hazard. Introduced May 23, 2019; referred to Committee on Energy and Commerce.
Storage and Transportation Of Residual and Excess (STORE) Nuclear Fuel Act
of 2019 (H.R. 3136, Matsui)
Authorizes DOE to develop nuclear waste storage facilities and enter into a contract to store
waste at a nonfederal facility. DOE would have to obtain state, local, and tribal consent for
storage facilities. Financial and technical assistance authorized to states, local governments, and
tribes. DOE would be required to give storage priority to waste from closed reactors and to waste
shipments required to address emergencies. Introduced June 5, 2019; referred to Committee on
Energy and Commerce.
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Dry Cask Storage Act of 2019 (S. 2854, Markey)
Requires spent fuel at nuclear power plants to be moved from spent fuel pools to dry casks after it
has sufficiently cooled, pursuant to NRC-approved transfer plans. Emergency planning zones
would have to be expanded from 10 to 50 miles in radius around any reactor determined by NRC
to be out of compliance with its spent fuel transfer plan. NRC would be authorized to use interest
earned by the Nuclear Waste Fund to provide grants to nuclear power plants to transfer spent fuel
to dry storage. Introduced November 13, 2019; referred to Committee on Environment and Public
Works.
CRS Reports
CRS Report RL33461, Civilian Nuclear Waste Disposal, by Mark Holt
CRS In Focus IF11201, Nuclear Waste Storage Sites in the United States, by Lance N. Larson
CRS Report R42513, U.S. Spent Nuclear Fuel Storage, by James D. Werner
Additional References
Disposal of High-Level Nuclear Waste, Government Accountability Office, Key Issues website,
https://www.gao.gov/key_issues/disposal_of_highlevel_nuclear_waste/issue_summary
Reset of America’s Nuclear Waste Management: Strategy and Policy, Stanford University Center
for International Security and Cooperation and George Washington University Elliott School of
International Affairs, October 15, 2018, https://fsi-live.s3.us-west-1.amazonaws.com/s3fs-public/
reset_report_2018_final.pdf
Commercial Spent Nuclear Fuel, Nuclear Waste Technical Review Board, November 2017,
http://www.nwtrb.gov/docs/default-source/facts-sheets/commercial_snf.pdf?sfvrsn=12
Commercial Nuclear Waste: Resuming Licensing of the Yucca Mountain Repository Would
Require Rebuilding Capacity at DOE and NRC, Among Other Key Steps
, GAO-17-340, April 26,
2017, https://www.gao.gov/products/GAO-17-340
Report to the Secretary of Energy, Blue Ribbon Commission on America’s Nuclear Future,
January 2012, http://cybercemetery.unt.edu/archive/brc/20120620211605/http:/brc.gov
Nuclear Plant Economic Viability
U.S. nuclear power plants are facing severe financial pressure caused primarily by competition
from low-cost natural gas, growing supplies of renewable energy, and stagnant electricity
demand. Ten U.S. reactors were permanently closed from 2013 through June 2020, and five more
are planned for closure through the mid-2020s (Table 1). Plans for up to 30 new U.S. reactors
announced during the past 10 years have largely been put on hold, with only 2 currently under
construction.
In light of that situation, Congress is considering whether federal action is needed to keep the
existing nuclear fleet operating and to encourage the construction of new reactors. A key element
of that debate is the appropriate role of nuclear power, if any, in meeting national energy and
environmental goals. Nuclear power supporters generally point to the technology as crucial for
providing a secure, domestic source of energy with low greenhouse gas and other emissions.
Supporters also see a viable and growing domestic nuclear power industry as crucial in providing
a technology base for naval nuclear reactors and other defense nuclear programs, and in providing
a base for nuclear power plant exports to counter reactor exports being pursued by Russia and
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China for geopolitical purposes. Opponents generally counter that safety and proliferation risks,
nuclear waste hazards, and high costs outweigh those benefits.
Potential mechanisms for increased federal support of nuclear power include loan guarantees, tax
credits, clean energy mandates, emissions credits, and electricity market regulations.
Some states have taken action to prevent nuclear plant closures. New York and Illinois provided
“zero emission credits” to seven reactors that had been at risk of retirement by 2018.20
Connecticut enacted legislation in 2017 to make nuclear reactors eligible for a state procurement
process for zero-emission electricity sources, upon certification of financial need. New Jersey
enacted zero-emission credits for nuclear power in 2018.21 Ohio enacted subsidies in July 2019
that prompted the owner of the state’s two commercial reactors, Davis-Besse and Perry, to rescind
the units’ previously planned retirements.22 The planned retirement of the two-unit Beaver Valley
nuclear plant in western Pennsylvania was rescinded in March 2020, after Pennsylvania joined
the Regional Greenhouse Gas Initiative (RGGI). The plant’s owner, Energy Harbor, said RGGI
would provide emissions credits “which will begin to help level the playing field for our carbon-
free nuclear generators.”23
Table 1. Recent and Announced U.S. Commercial Reactor Shutdowns
Net
Summer
Generating
Major Factors
Capacity
Start-Up
Contributing to
Reactor
State
Shutdown Date
(Megawatts)
Year
Shutdown
Permanent Shutdowns Since 2012
Crystal River 3
Florida
February 2013
860
1977
Cost of major repairs
to reactor
containment
Kewaunee
Wisconsin
May 2013
566
1974
Operating losses
San Onofre 2
California
June 2013
1,070
1983
Cost of replacing new
steam generators
San Onofre 3
California
June 2013
1,080
1984
Cost of replacing new
steam generators
Vermont Yankee
Vermont
December 2014
620
1972
Operating losses
Fort Calhoun
Nebraska
October 2016
479
1973
Operating losses
Oyster Creek
New Jersey
September 2018
614
1969
Agreement with state
to avoid building
cooling towers

20 Zero-Emission Credits, Nuclear Energy Institute, April 2018, https://www.nei.org/CorporateSite/media/filefolder/
resources/reports-and-briefs/zero-emission-credits-201804.pdf.
21 Solutions for Maintaining the Existing Nuclear Fleet, Center for Climate and Energy Solutions, May 2018,
https://www.c2es.org/site/assets/uploads/2018/05/solutions-for-maintaining-existing-nuclear-fleet.pdf.
22 “FirstEnergy Solutions Rescinds Deactivation Notices for Competitive Generating Plants in Ohio,” PR Newswire,
July 26, 2019, https://www.prnewswire.com/news-releases/firstenergy-solutions-rescinds-deactivation-notices-for-
competitive-generating-plants-in-ohio-300891786.html.
23 Energy Harbor, “Energy Harbor Corp Rescinds Deactivation Notice for Nuclear Generating Plant in Pennsylvania,”
news release, March 13, 2020, https://energyharbor.com/en/about/news-and-information/energy-harbor-corp-rescinds-
deactivation-notice-for-nuclear-gene.
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Net
Summer
Generating
Major Factors
Capacity
Start-Up
Contributing to
Reactor
State
Shutdown Date
(Megawatts)
Year
Shutdown
Pilgrim
Massachusetts
May 2019
685
1972
Operating losses,
rising capital
expenditures
Three Mile Island 1
Pennsylvania
October 2019
803
1974
Operating losses
Indian Point 2
New York
April 30, 2020
1,020
1974
Low electricity prices;
settlement with state
Announced Shutdowns
Duane Arnold
Iowa
Late 2020
601
1975
Lower-cost
alternative power
Indian Point 3
New York
April 30, 2021
1,035
1976
Low electricity prices;
settlement with state
Palisades
Michigan
April 2022
784
1971
Operating losses, end
of power purchase
agreement
Diablo Canyon 1
California
November 2024
1,122
1985
Settlement with labor
and environmental
groups
Diablo Canyon 2
California
August 2025
1,118
1986
Settlement with labor
and environmental
groups
Source: Company news releases.
Recent Events
Energy Secretary Rick Perry submitted a proposed regulation to the Federal Energy Regulatory
Commission (FERC) on October 10, 2017, to ensure that coal and nuclear power plants could
recover their costs in wholesale power markets. To be eligible for cost recovery, power plants
would be required to “have a 90-day fuel supply on site in the event of supply disruptions caused
by emergencies, extreme weather, or natural or man-made disasters,” a criterion that coal and
nuclear plants would typically meet.24 DOE contended that such plants were crucial in ensuring
the resilience of the bulk power system. FERC rejected the proposal on January 8, 2018, but
initiated a new proceeding to evaluate bulk power system resilience.25 President Trump directed
Perry on June 1, 2018, to recommend additional actions to prevent “impending retirements of
fuel-secure power facilities,” such as coal and nuclear power plants.26 As part of the energy

24 Department of Energy, Grid Resiliency Pricing Rule, Notice of Proposed Rulemaking, October 10, 2017, 82 Federal
Register
46940, https://www.gpo.gov/fdsys/pkg/FR-2017-10-10/pdf/2017-21396.pdf.
25 Federal Energy Regulatory Commission, “Order Terminating Rulemaking Proceeding, Initiating New Proceeding,
and Establishing Additional Procedures,” January 8, 2018, https://www.ferc.gov/CalendarFiles/20180108161614-
RM18-1-000.pdf.
26 White House, “Statement from the Press Secretary on Fuel-Secure Power Facilities,” June 1, 2018,
https://www.whitehouse.gov/briefings-statements/statement-press-secretary-fuel-secure-power-facilities.
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resilience effort, DOE’s Office of Electricity in July 2019 released a report on the North
American Energy Resilience Model, designed to “model, simulate, and assess the behavior of
electric power systems, as well as associated dependencies on natural gas.”27
Federal tax credits for electricity production from new nuclear plants were extended by the
Bipartisan Budget Act of 2018 (P.L. 115-123), signed into law February 9, 2018. Before the
extension, new nuclear plants had been required to begin operation before January 1, 2021, to
qualify for the production tax credit, which is limited to 6,000 megawatts of total generating
capacity. The extension allows new reactors to use the credit after that date if the capacity limit
has not been reached. Along with the extension, the tax credit was modified to allow non-
taxpaying partners in a nuclear project, such as public power agencies, to transfer their credits to a
project’s taxpaying partners. Only two U.S. reactors are currently under construction, at the
Vogtle nuclear power plant in Georgia, totaling about 2,300 megawatts of capacity, well within
the limit. Construction delays have pushed the planned completion dates of the new Vogtle
reactors beyond the 2021 deadline, and the production tax credits are widely considered crucial
for their financial viability.
Recent filings by Georgia Power, the lead partner in the Vogtle consortium, with the Georgia
Public Service Commission indicate that the company’s share of the project’s construction and
financing costs will total about $10.4 billion. That estimate does not include costs covered by
Georgia Power’s $1.5 billion share of a Westinghouse contract settlement and $700 million in
unrecovered costs. Adding those amounts would bring the Georgia Power construction and
financing cost share to about $12.6 billion.28 With Georgia Power holding a 45.7% share of the
project, the total construction and financing cost of the new reactors is estimated to be about
$27.6 billion, or $13.8 billion per reactor.
The two new reactors at the Vogtle plant received loan guarantees from DOE initially totaling
$8.33 billion, as authorized by Title 17 of the Energy Policy Act of 2005 (P.L. 109-58). Energy
Secretary Ernest Moniz announced the issuance of $6.5 billion in loan guarantees on February 19,
2014, to two of the three utility partners in the project, Georgia Power and Oglethorpe Power. The
final $1.8 billion loan guarantee for another partner, Municipal Electric Authority of Georgia, was
issued June 24, 2015.
Energy Secretary Rick Perry announced the finalization of an additional $3.7 billion in loan
guarantees to the three partners in the Vogtle project on March 22, 2019.29 The Trump
Administration has proposed to rescind DOE’s authority to issue further Title 17 loan guarantees
in FY2021. Similar proposals by the Administration in FY2018, FY2019, and FY2020 were not
approved by Congress. The House Appropriations Committee’s Energy and Water Development
Appropriations bill for FY2021 (H.R. 7613, H.Rept. 116-449), approved by the committee July
13, 2020, continues funding for the loan guarantee program. No other proposed nuclear plants
have received any commitments for DOE loan guarantees.

27 DOE Office of Electricity, “Developing a Resilience Model for North America’s Energy Sector Infrastructure,” July
24, 2019, https://www.energy.gov/oe/articles/developing-resilience-model-north-america-s-energy-sector-
infrastructure.
28 Georgia Power, Twentieth/Twenty-first Semi-annual Vogtle Construction Monitoring Report, Docket No. 29849,
August 2019, p. 11, https://psc.ga.gov/search/facts-document/?documentId=178224.
29 Department of Energy, “Secretary Perry Announces Financial Close on Additional Loan Guarantees During Trip to
Vogtle Advanced Nuclear Energy Project,” news release, March 22, 2019, https://www.energy.gov/articles/secretary-
perry-announces-financial-close-additional-loan-guarantees-during-trip-vogtle.
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DOE’s Light Water Reactor Sustainability Program manages cost-shared research projects “to
solve significant highest priority cost and technical problems threatening existing plants.”30 The
program includes research on materials used in nuclear plants, modeling of plant aging, and plant
upgrades. The Trump Administration has proposed reducing the program’s funding by about one-
third for FY2021;31 similar cuts proposed for FY2018, FY2019, and FY2020 were not approved
by Congress.
Federal policy on carbon dioxide emissions could also have a significant impact on the expansion
of nuclear power and the economic viability of existing reactors. Under the Trump
Administration, the Environmental Protection Agency is proposing to repeal the Obama
Administration’s Clean Power Plan regulations,32 which require states to reduce carbon dioxide
emissions from existing power plants. Nuclear power would be a potential element in state plans
for meeting the Clean Power Plan standards.
Selected Congressional Action
Nuclear Powers America Act of 2019 (S. 1134, Cramer/H.R. 2314, LaHood)
Provides a 30% tax credit for fuel and capital expenses incurred by nuclear power plants. The
credit would phase out from December 31, 2023, through January 1, 2026. To receive the credit,
nuclear power plants must have submitted a license renewal to NRC or certified to DOE that a
license renewal would be submitted. Senate bill introduced April 10, 2019; referred to Committee
on Finance. House bill introduced April 12, 2019; referred to Committee on Ways and Means.
Nuclear Energy Renewal Act of 2019 (S. 2368, Coons)
Authorizes appropriations of $60 million per year for DOE Light Water Reactor Sustainability
Program through FY2029, as well as appropriations for DOE advanced nuclear R&D programs.
Introduced September 11, 2019; referred to Committee on Energy and Natural Resources.
Approved by Committee November 11, 2019 (S.Rept. 116-203). Provisions of this bill are
included in S.Amdt. 1407, a substitute amendment to S. 2657, titled the American Energy
Innovation Act. Senate consideration of S. 2657 began March 4, 2020.33
CRS Reports
CRS Report R44715, Financial Challenges of Operating Nuclear Power Plants in the United
States
, by Phillip Brown and Mark Holt
CRS Insight IN10806, DOE’s Grid Resiliency Pricing Rule, by Richard J. Campbell

30 Department of Energy, “Reactor Technology Program Overview,” presentation by R. Shane Johnson, Deputy
Assistant Secretary for Nuclear Technology Demonstration and Deployment, to the Nuclear Energy Advisory
Committee, July 9, 2018, https://www.energy.gov/sites/prod/files/2018/07/f53/RSJ%20Brief%20to%20NEAC%20-
%20July%209%202018_0.pdf.
31 Department of Energy, FY 2021 Congressional Budget Justification, vol. 3, part 2, DOE/CF-0164, February 2020, p.
11, https://www.energy.gov/sites/prod/files/2020/04/f73/doe-fy2021-budget-volume-3-part-2.pdf.
32 Environmental Protection Agency, “EPA Takes Another Step to Advance President Trump’s America First Strategy,
Proposes Repeal of ‘Clean Power Plan,’” news release, October 10, 2017, https://www.epa.gov/newsreleases/epa-
takes-another-step-advance-president-trumps-america-first-strategy-proposes-repeal.
33 For more information about S. 2657, see CRS Report R46372, Summary and Analysis of S. 2657, the American
Energy Innovation Act
, coordinated by Brent D. Yacobucci.
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CRS Report R44852, The Value of Energy Tax Incentives for Different Types of Energy
Resources
, by Molly F. Sherlock
CRS Insight IN10750, Rising Costs and Delays Doom New Nuclear Reactors in South Carolina,
by Mark Holt
Additional References
Unlocking Reductions in the Construction Costs of Nuclear: A Practical Guide for Stakeholders,
Organisation for Economic Co-operation and Development Nuclear Energy Agency, July 2020,
http://www.oecd-nea.org/ndd/pubs/2020/7530-reducing-cost-nuclear-construction.pdf
The Changing Geopolitics of Nuclear Energy: A Look at the United States, Russia, and China,
Center for Strategic and International Studies, March 12, 2020, https://www.csis.org/analysis/
changing-geopolitics-nuclear-energy-look-united-states-russia-and-china
World Nuclear Industry Status Report 2019, Mycle Schneider and Antony Froggat, September 27,
2019, https://www.worldnuclearreport.org/
U.S. Nuclear Energy Leadership: Innovation and the Strategic Global Challenge, Atlantic
Council, May 20, 2019, https://www.atlanticcouncil.org/in-depth-research-reports/report/us-
nuclear-energy-leadership-innovation-and-the-strategic-global-challenge-2
The Nuclear Power Dilemma: Declining Profits, Plant Closures, and the Threat of Rising Carbon
Emissions,
Union of Concerned Scientists, November 2018, https://www.ucsusa.org/sites/default/
files/attach/2018/11/Nuclear-Power-Dilemma-full-report.pdf
Promising Market and Federal Solutions for Existing Nuclear Power, Center for Climate and
Energy Solutions, October 2018, https://www.c2es.org/document/promising-market-and-federal-
solutions-for-existing-nuclear-power/
Nuclear Costs in Context, Nuclear Energy Institute, September 2018, https://www.nei.org/
CorporateSite/media/filefolder/resources/reports-and-briefs/nuclear-costs-in-context-201909.pdf
Economic and Market Challenges Facing the U.S. Nuclear Commercial Fleet—Cost and Revenue
Study
, Idaho National Laboratory, September 2017, https://gain.inl.gov/SiteAssets/Teresa/
Market%20Challenges%20for%20Nuclear%20Fleet-ESSAI%20Study%20Sept2017.pdf
Keeping the Lights on at America’s Nuclear Power Plants, Jeremy Carl and David Fedor, Shultz-
Stephenson Task Force on Energy Policy, Hoover Institution Press, 2017
Advanced Nuclear Technology
Existing commercial nuclear power plants in the United States are based on light water reactor
(LWR) technology, in which ordinary (light) water is used to cool the reactor and to moderate, or
slow, the neutrons in the nuclear chain reaction. The federal government developed LWRs for
naval propulsion in the 1950s and funded the commercialization of the technology for electricity
generation. DOE and its predecessor agencies for decades have also conducted research on
“advanced” reactor technologies that use different coolants and moderators, as well as fast
neutron reactors that have no moderator. Proponents of advanced reactors contend that they
would be safer, more efficient, and less expensive to build and operate than today’s conventional
LWRs. Some concepts are also intended to produce less long-lived radioactive waste than
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existing reactors, such as by separating the uranium, plutonium, and other elements in spent
nuclear fuel and then using long-lived radioisotopes as new fuel for fast reactors.34
Another characteristic of advanced reactors is that they are generally planned to be far smaller
than today’s commercial LWRs, which average about 1,000 megawatts (MW) of electric
generating capacity. Most proposed advanced reactors would be considered “small modular
reactors” (SMRs), which DOE defines as having generating capacity of 300 MW or below. SMRs
using LWR technology are also being designed. Supporters of SMRs contend that they would be
small enough to be assembled in factories and shipped to reactor sites to reduce construction
costs. In addition, SMRs could reduce the financial risks of building a new nuclear power plant,
because each module would cost less than today’s large reactors and revenues could begin when
the first module was complete, rather than after completion of a much larger unit. However, some
analysts contend that SMRs would be too small to achieve the economies of scale needed for
economic viability.35
Very small SMRs are often called “microreactors,” defined by DOE as having thermal energy
capacity below 20 MW. They could provide heat or electric power at remote locations. Self-
contained microreactor power units would be assembled in a factory, transported to a site in a
shipping container, and set up to generate power within a week, according to DOE. Microreactors
would be “self regulating,” in that their designs would prevent overheating even without operator
intervention.36
Recent Events
Legislation to stimulate the development of advanced nuclear technology, the Nuclear Energy
Innovation Capabilities Act of 2017 (NEICA), was signed by the President on September 28,
2018 (P.L. 115-248). Key provisions authorize the construction of demonstration reactors funded
by the private sector at DOE sites, authorize DOE to construct a “versatile” test reactor for
advanced nuclear fuels and materials, and authorize grants to help pay for advanced reactor
licensing. The Nuclear Energy Innovation and Modernization Act (P.L. 115-439), signed into law
January 14, 2019, requires NRC to develop a new licensing framework for advanced nuclear
technology. Proponents of the law contend that NRC’s existing licensing system is too focused on
LWR technology and would potentially cause delays in non-LWR applications.
NRC is currently reviewing a design certification application for the NuScale SMR plant, which
would consist of a dozen 60 MW(electric) reactors in a large pool of water.37 Oklo Power
submitted a combined construction permit and operating license application to NRC on March 11,
2020, for its 1.5 MW(electric) Aurora microreactor.38 Both plants are proposed for construction at
Idaho National Laboratory. The Department of Defense (DOD) awarded three contracts on March

34 Radioisotopes are radioactive isotopes; isotopes are forms of an element that have different numbers of neutrons.
Different radioisotopes of the same element will behave the same chemically but have different half-lives and other
radioactive characteristics. Long-lived radioisotopes separated from spent fuel could in principle be fissioned or
transmuted in a fast reactor into shorter-lived radioisotopes for disposal.
35 Deign, Jason, “Interest in Small Modular Nuclear Reactors Is Growing. So Are Fears They Aren’t Viable,”
Greentech Media, March 14, 2018, https://www.greentechmedia.com/articles/read/interest-in-small-modular-nuclear-
grows#gs.ph5LRao.
36 DOE Office of Nuclear Energy, “What Is a Nuclear Microreactor?,” October 23, 2018, https://www.energy.gov/ne/
articles/what-nuclear-microreactor.
37 NRC, “Application Review Schedule for the NuScale Design,” May 14, 2020, https://www.nrc.gov/reactors/new-
reactors/smr/nuscale/review-schedule.html.
38 NRC, “Aurora—Oklo Application,” June 17, 2020, https://www.nrc.gov/reactors/new-reactors/col/aurora-oklo.html.
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9, 2020, for design development of mobile microreactors. “A safe, small, mobile nuclear reactor
would enable units to carry a nearly endless clean power supply, enabling expansion and
sustainment of operations for extended periods of time anywhere on the planet,” according to
DOD’s announcement of the awards.39
DOE’s nuclear energy research and development program includes reactor modeling and
simulation, experimental processing of spent nuclear fuel, development of advanced reactor
concepts, and testing of “accident tolerant fuels” for existing LWRs. The Trump Administration
proposes reducing the nuclear R&D budget by 22% in FY2021 from the FY2020 funding level—
from $1.340 billion to $1.042 billion. The House Appropriations Committee’s Energy and Water
Development Appropriations bill for FY2021 (H.R. 7613, H.Rept. 116-449) includes $1.436
billion for nuclear R&D, plus $1.250 billion in emergency spending for nuclear reactor
demonstration plants, advanced SMR development, nuclear hydrogen production, and
construction of nuclear R&D facilities.
Nuclear R&D funding for FY2020 is included in the FY2020 Further Consolidated
Appropriations Act (P.L. 116-94). The explanatory statement for the enacted FY2020 funding
measure included a new, $230 million sub-account for an Advanced Reactors Demonstration
Program within the DOE Nuclear Energy account. Of that funding, $160 million was provided for
DOE to begin two advanced nuclear reactor demonstration projects, with a cost-share of at least
50% from nonfederal sources. Another $30 million was provided for grants to reduce the
technical risk of two-to-five additional reactor demonstration proposals, with a nonfederal cost-
share of at least 20%. The Explanatory Statement included $15 million for DOE national
laboratories to work with NRC “to identify and resolve technical challenges with licensing
advanced reactors” and $20 million for the National Reactor Innovation Center “to support
testing, demonstration, and performance assessment to accelerate deployment of advanced
reactors.”
The FY2020 explanatory statement also included $96 million for accident-tolerant fuels and $65
million to continue development of the Versatile Advanced Test Reactor (VATR) at Idaho
National Laboratory.40 Advanced reactor developers assert that the VATR would be crucial in
testing advanced nuclear fuels and materials. The explanatory statement provided at least $8
million for processing high-assay low-enriched uranium (HALEU) at Idaho National Laboratory.
HALEU is uranium enriched above 5% of the fissile isotope uranium 235 but below 20%, which
is the threshold for high-enriched uranium that poses weapons proliferation concerns. Many
proposed advanced reactors are being designed to use HALEU.
Selected Congressional Action
Advanced Nuclear Fuel Availability Act (H.R. 1760, Flores)
Requires DOE to establish a program to support the availability of HALEU as fuel for advanced
nuclear reactors. Introduced March 14, 2019; referred to Committee on Energy and Commerce.
Passed House by voice vote September 9, 2019.

39 DOD, “DOD Awards Contracts for Development of a Mobile Microreactor,” March 9, 2020,
https://www.defense.gov/Newsroom/Releases/Release/Article/2105863/dod-awards-contracts-for-development-of-a-
mobile-microreactor.
40 Further Consolidated Appropriations Act, 2020, Committee Print of the House Committee on Appropriations, p. 457,
https://www.govinfo.gov/content/pkg/CPRT-116HPRT38679/pdf/CPRT-116HPRT38679.pdf.
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Nuclear Energy Leadership Act (S. 903, Murkowski/H.R. 3306, Luria)
Authorizes federal agencies to sign power purchase agreements (PPAs) with electric utilities for
up to 40 years and requires DOE to establish a pilot PPA program for new nuclear reactors.
Directs DOE to demonstrate advanced reactor technologies, prepare a nuclear energy strategic
plan, and make HALEU available for advanced nuclear reactors. DOE and NRC are required to
establish a program to support university research on advanced nuclear technologies. Senate bill
introduced March 27, 2019; referred to Committee on Energy and Natural Resources. Legislative
hearings held April 30, 2019. Approved by Committee July 16, 2019 (S.Rept. 116-114). House
bill introduced June 19, 2019; referred to Committees on Science, Space, and Technology; Energy
and Commerce; Oversight and Reform; and Armed Services.
Advanced Nuclear Energy Technologies Act (H.R. 3358, Higgins)
Directs DOE to carry out two advanced nuclear reactor demonstrations by the end of 2025, to the
extent practicable, and up to four additional demonstrations by the end of 2035. The
demonstrations would be cost-shared with nonfederal entities. Requires DOE to submit a nuclear
energy strategic plan to specified congressional committees. Introduced June 19, 2019; referred to
Committee on Science, Space, and Technology.
Nuclear Energy Renewal Act of 2019 (S. 2368, Coons)
Authorizes appropriations for DOE advanced nuclear R&D programs through FY2029.
Appropriations for the Advanced Reactor Technologies Development Program authorized at $120
million per year; Fuel Cycle Research and Development Program at $200 million per year;
Material Recovery and Waste Form Development at $50 million per year; Advanced Fuels at
$120 million per year; Nuclear Energy Enabling Technologies at $150 million per year;
Radiological Facilities Management at $30 million per year; and International Nuclear Energy
Cooperation at $10 million per year. Authorizes DOE and NRC to develop certification and
licensing criteria for advanced reactors and to provide assistance to advanced reactor license
applicants. Appropriations authorized at $15 million per year through FY2029. The Light Water
Reactor Sustainability Program, aimed at existing reactors, would also be authorized through
FY2029. Allows an exemption to the existing minimum of 20% private-sector cost sharing for
programs authorized by the bill. Introduced July 31, 2019; referred to Committee on Energy and
Natural Resources. Approved by Committee November 19, 2019 (S.Rept. 116-203).
Integrated Energy Systems Act of 2019 (S. 2702, Risch)
Among other provisions, establishes an integrated energy systems program to integrate nuclear
energy with renewable energy, fossil energy, and energy storage; and expand the use of
emissions-reducing energy technologies into nonelectric sectors. Introduced November 19, 2019;
referred to Committee on Energy and Natural Resources and reported the same day with an
amendment in the nature of a substitute (S.Rept. 116-199).
American Energy Innovation Act (S.Amdt. 1407, Murkowski)
Amendment in the Nature of a Substitute to S. 2657, including provisions from several nuclear
energy bills reported by the Committee on Energy and Natural Resources: S. 2368, S. 903, and S.
2702. Amendment submitted March 3, 2020; cloture not invoked March 9, 2020, by vote of 47-
44.
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Nuclear Energy Research and Development Act (H.R. 6097, Lamb)
Authorizes DOE nuclear energy research and demonstration programs for existing commercial
reactors; advanced reactor technologies; hybrid nuclear energy systems that would operate in
tandem with storage, renewable, or other technologies; HALEU for advanced reactors; used
(spent) nuclear fuel, including recycling and waste disposal; and advanced technology fuels. It
authorizes $3.016 billion through FY2025 to construct a versatile neutron source, or versatile test
reactor. DOE would be authorized to enter into cost-shared agreements for least two advanced
reactor demonstration projects by 2027 and from two to five additional projects by 2035, for
which $3.2 billion would be authorized through FY2025. Authorizations are also provided for
international nuclear energy cooperation and university scholarships and fellowships in nuclear
R&D. Introduced March 5, 2020; referred to House Committee on Science, Space, and
Technology.
Nuclear Energy for the Future Act (H.R. 6796, Weber)
Requires DOE to carry out an advanced reactor technologies research and development program
through public-private partnerships and authorizes $3.016 billion through FY2025 to construct a
versatile neutron source. Introduced May 8, 2020; referred to the House Committee on Science,
Space, and Technology.
Hearing: Advanced Nuclear Technology: Protecting U.S. Leadership and
Expanding Opportunities for Licensing New Nuclear Energy Technologies
Hearing by the Senate Committee on Environment and Public Works Subcommittee on Clean Air
and Nuclear Safety on the international and domestic outlook for advanced nuclear technologies,
June 4, 2019. Witnesses included William D. Magwood, Director General of the Organization for
Economic Cooperation and Development Nuclear Energy Agency, and representatives of
advanced nuclear technology companies and public policy organizations. Video, written
statements, and other material can be found at https://www.epw.senate.gov/public/index.cfm/
2019/6/advanced-nuclear-technology-protecting-u-s-leadership-and-expanding-opportunities-for-
licensing-new-nuclear-energy-technologies.
CRS Reports
CRS Report R45706, Advanced Nuclear Reactors: Technology Overview and Current Issues, by
Danielle A. Arostegui and Mark Holt
CRS Report R46372, Summary and Analysis of S. 2657, the American Energy Innovation Act,
coordinated by Brent D. Yacobucci
Additional References
Raising the Next Generation of Nuclear: A Road Map for Deployment, Third Way, October 17,
2019, https://www.thirdway.org/memo/raising-the-next-generation-of-nuclear-a-road-map-for-
deployment
Metric and Method for Comparing Investments to Decarbonize the Electricity System, Rocky
Mountain Institute, September 24, 2019, https://rmi.org/insight/decarbonizing-the-electricity-
system
Nuclear Innovation and NEPA, Nuclear Innovation Alliance, September 2019,
https://docs.wixstatic.com/ugd/5b05b3_e661eba94a224b28aac2a7e11d60e0c6.pdf
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Examination of Federal Financial Assistance in the Renewable Energy Market: Implications and
Opportunities for Commercial Deployment of Small Modular Reactors
, Scully Capital and Kutak
Rock for the U.S. Department of Energy, October 2018, https://www.energy.gov/ne/downloads/
report-examination-federal-financial-assistance-renewable-energy-market
Advanced Nuclear 101, Third Way, December 1, 2015, http://www.thirdway.org/report/advanced-
nuclear-101
Gateway for Accelerated Innovation in Nuclear (GAIN), U.S. Department of Energy website,
https://gain.inl.gov/SitePages/Home.aspx
Leading on SMRs, Nuclear Innovation Alliance, October 2017, https://docs.wixstatic.com/ugd/
5b05b3_d163208371134cc590a234100429a6fd.pdf
Strategies for Advanced Reactor Licensing, Nuclear Innovation Alliance, April 2016,
https://docs.wixstatic.com/ugd/5b05b3_71d4011545234838aa27005ab7d757f1.pdf
Safety
The 2011 Fukushima Dai-ichi nuclear plant disaster in Japan, triggered by a huge earthquake and
tsunami, greatly increased concerns about safety in the nuclear policy debate. The accident clearly
demonstrated the potential consequences of a total loss of power (or “station blackout”) at today’s
commercial nuclear plants. Even when the nuclear reaction shuts down as designed, as at the
Fukushima plant after the initial earthquake, residual radioactivity in the reactor core continues to
generate “decay heat” that must be removed, typically by electrically driven or controlled cooling
systems.
When the tsunami knocked out power at the three Fukushima Dai-ichi reactors that had been
operating when the earthquake struck, the buildup of heat and pressure from residual radioactivity
became so great that it melted the reactors’ nuclear fuel and exceeded the limits of their
containment structures. The decay heat also caused steam to chemically react with the nuclear
fuel cladding in the reactor cores, generating additional heat along with hydrogen that escaped
into the upper part of the reactor buildings and exploded. Cooling was also lost in Fukushima’s
spent fuel storage pools, causing concern that they could overheat, although later examination
indicated that they did not.
Safety requirements for nuclear power plants are established and enforced in the United States by
NRC, an independent regulatory agency. NRC safety regulations address the effects of external
events such as earthquakes and floods, equipment failure such as breaks in coolant pipes, and
other problems that could lead to radioactive releases into the environment. Critics of nuclear
power contend that NRC is often reluctant to impose necessary safety requirements that would be
costly or disruptive to the nuclear industry. However, the industry has frequently contended that
costly safety proposals are unnecessary and would not significantly increase large existing safety
margins.
Recent Events
Following the Fukushima disaster, NRC established a task force to identify lessons applicable to
U.S. reactors and recommend safety improvements. The task force’s report led to NRC’s first
Fukushima-related regulatory requirements, on March 12, 2012. NRC ordered all reactors to
develop strategies to maintain cooling and containment integrity during external events, such as
floods and earthquakes, that were more severe than anticipated by the plants’ designs (“beyond
design basis”). In addition, NRC required that U.S. reactors of similar design to the Fukushima
reactors have “reliable hardened vents” to remove excess pressure from their primary
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containments, and that better instrumentation be installed to monitor the condition of spent fuel
pools during accidents.41
The NRC commissioners on March 19, 2013, required NRC staff to study whether to require the
newly mandated containment vents to include filters or other means to reduce the release of
radioactive material if the vents have to be used. The idea of requiring filters had drawn praise
from nuclear critics but opposition from the industry on cost grounds.42 NRC voted on August 19,
2015, not to proceed with rulemaking on filtered vents.43
Controversy was also raised by the NRC’s final rule for Mitigation of Beyond-Design-Basis
Events (MBDBE), announced January 24, 2019.44 The MBDBE regulation requires nuclear
power plants to implement strategies to maintain reactor core cooling when electric power is lost,
as occurred during the Fukushima accident. The MBDBE proposed rule, published November 13,
2015,45 and the draft final rule, released by NRC on January 5, 2017,46 would have required the
equipment used in those strategies to be able to withstand newly evaluated flooding and seismic
risks, and that regular drills and exercises be conducted. The final rule excluded those
requirements, among other changes.47 In supporting those exclusions, the Commission majority
asserted that the deleted requirements did not meet NRC’s cost-benefit standards.48 NRC is
continuing to monitor the implementation of all post-Fukushima regulations and orders.49
Selected Congressional Action
Low-Dose Radiation Research Act of 2019 (H.R. 4733, Posey)
Authorizes a DOE research program on the effects of exposure to low-dose radiation. Introduced
October 18, 2019; referred to Committee on Science, Space, and Technology.
Department of Energy and Nuclear Regulatory Commission Whistleblower
Protection Act of 2019 (H.R. 5787, Horsford/S. 1330, Duckworth)
Specifically protects all DOE and NRC employees from retaliation for raising nuclear safety
concerns (whistleblowing). House bill introduced February 6, 2020; referred to Committee on

41 Nuclear Regulatory Commission, “Actions in Response to the Japan Nuclear Accident: March 12, 2012,” updated
May 30, 2012, http://www.nrc.gov/reactors/operating/ops-experience/japan/timeline/03122012.html.
42 NRC, “Consideration of Additional Requirements for Containment Venting Systems for Boiling Water Reactors with
Mark I and Mark II Containments,” staff requirements memorandum, SECY-12-0157, March 19, 2013,
http://www.nrc.gov/reading-rm/doc-collections/commission/srm/2012/2012-0157srm.pdf; Freebairn, William, “NRC
Staff Recommends Ordering Filtered Vents for 31 Power Reactors,” Inside NRC, November 5, 2012, p. 1.
43 NRC, “Hardened Vents and Filtration (for Boiling Water Reactors with Mark I and Mark II containment designs),”
http://www.nrc.gov/reactors/operating/ops-experience/japan-dashboard/hardened-vents.html.
44 NRC, “NRC To Issue Final Rule for Mitigating Severe Events at U.S. Reactors,” news release, January 24, 2019,
https://www.nrc.gov/reading-rm/doc-collections/news/2019/19-005.pdf.
45 NRC, “Mitigation of Beyond-Design-Basis Events,” Proposed Rule, Federal Register, November 13, 2015, Vol. 80,
No. 219, p. 70610, https://www.govinfo.gov/content/pkg/FR-2015-11-13/pdf/2015-28589.pdf.
46 NRC, Final Rule: Mitigation of Beyond-Design-Basis Events, SECY-16-0142, Enclosure 1, January 5, 2017,
https://www.nrc.gov/docs/ML1630/ML16301A005.html.
47 NRC, “Staff Requirements—Affirmation Session,” SRM-M190124A, Enclosure 1, January 24, 2019,
https://www.nrc.gov/docs/ML1902/ML19023A038.html.
48 Ibid., “Views of the Commission.”
49 NRC, “Plant-Specific Japan Lessons-Learned Activities,” August 13, 2018, https://www.nrc.gov/reactors/operating/
ops-experience/japan-dashboard/japan-plants.html.
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Energy and Commerce; Senate bill introduced May 6, 2019; referred to Committee on Energy
and Natural Resources.
Hearing: Preserving and Expanding Clean, Reliable Nuclear Power: U.S.
Commercial Nuclear Reactor Performance Trends and Safety Initiatives
Hearing by the Senate Committee on Environment and Public Works on the safety of existing and
potential future nuclear power plants and other issues relating to commercial nuclear power.
Witnesses came from industry, government, and advocacy organizations. Video, written
statements, and other material can be found at https://www.epw.senate.gov/public/index.cfm/
2019/11/preserving-and-expanding-clean-reliable-nuclear-power-u-s-commercial-nuclear-reactor-
performance-trends-and-safety-initiatives.
CRS Reports
CRS Report R41694, Fukushima Nuclear Disaster, by Mark Holt, Richard J. Campbell, and
Mary Beth D. Nikitin
Additional References
Post-Fukushima Safety Enhancements, Nuclear Regulatory Commission, web page,
reviewed/updated August 14, 2019, https://www.nrc.gov/reactors/operating/ops-experience/post-
fukushima-safety-enhancements.html
Safety of Nuclear Power Reactors, World Nuclear Association, June 2019, https://www.world-
nuclear.org/information-library/safety-and-security/safety-of-plants/safety-of-nuclear-power-
reactors.aspx
Nuclear Power 101, Natural Resources Defense Council, May 14, 2020, https://www.nrdc.org/
stories/nuclear-power-101
Nuclear Safety: Countries’ Regulatory Bodies Have Made Changes in Response to the Fukushima
Daiichi Accident
, Report to the Chairman, Subcommittee on Transportation and Infrastructure,
Committee on Environment and Public Works, U.S. Senate, Government Accountability Office,
GAO-14-109, March 2014, http://www.gao.gov/products/GAO-14-109
State-of-the-Art Reactor Consequence Analyses (SOARCA) Report, Nuclear Regulatory
Commission, NUREG-1935, November 2012, http://www.nrc.gov/reading-rm/doc-collections/
nuregs/staff/sr1935
Security and Emergency Response
The level of security that must be provided at nuclear power plants has been a high-profile issue
since the 9/11 terrorist attacks on the United States in 2001. Since those attacks, NRC issued a
series of orders and regulations that substantially increased nuclear plant security requirements,
although industry critics contend that those measures are still insufficient. Key measures include
an increase in the level of attacks that nuclear plant security forces must be able to repel,
requirements for mitigating the effects of large fires and explosions, and a requirement that new
reactors be capable of withstanding aircraft crashes without releasing radioactive material. NRC
also modified its planning requirements for evacuations and other emergency responses after the
9/11 attacks, and the Fukushima disaster illustrated the importance of emergency response to
radioactive releases from any cause.
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NRC issued wide-ranging revisions to its emergency preparedness regulations on November 1,
2011, dealing with duties of emergency personnel and the inclusion of hostile actions in
emergency planning drills.50 In response to Fukushima, NRC staff recommended that nuclear
emergency plans be required to address events affecting multiple reactors and prolonged station
blackout. NRC told nuclear power plants on March 12, 2012, to provide specific information and
analysis on those issues.51
The NRC Cyber Security Directorate was established in June 2013 to coordinate rulemaking,
guidance, and oversight of cybersecurity at nuclear power plants and other regulated nuclear
facilities. As part of the Directorate, NRC’s Cyber Assessment Team responds to cybersecurity
events at NRC-licensed facilities and coordinates threat assessments with other federal agencies.52
Recent Events
NRC issued a draft final rule June 7, 2018, on “Enhanced Weapons, Firearms Background
Checks, and Security Event Notifications.”53 The draft final rule, which is awaiting Commission
approval following a staff revision submitted February 4, 2020,54 would establish procedures for
nuclear power plants and other licensed nuclear facilities to apply for NRC authorization to arm
their security personnel with “enhanced” weapons, such as semiautomatic assault weapons and
machine guns, despite any state laws prohibiting such weapons. NRC is authorized to preempt
state laws for this purpose under Atomic Energy Act Section 161A, enacted by the Energy Policy
Act of 2005 (P.L. 109-58). The draft final rule would also modify NRC requirements for nuclear
power plants and other licensed facilities to report events related to physical security and would
add requirements for reporting suspicious activities.
CRS Reports
CRS In Focus IF10821, Price-Anderson Act: Nuclear Power Industry Liability Limits and
Compensation to the Public After Radioactive Releases
, by Mark Holt
CRS Report RL34331, Nuclear Power Plant Security and Vulnerabilities, by Mark Holt
Additional References
Update on Radiological Emergency Preparedness Enhancement Activities Resulting from Lessons
Learned Following September 11, 2001, and Other Recent Natural Disasters,
Nuclear Regulatory
Commission, July 19, 2019, https://www.nrc.gov/docs/ML1911/ML19116A159.pdf
Backgrounder on Nuclear Security, Nuclear Regulatory Commission, web page, last
reviewed/updated May 31, 2019, https://www.nrc.gov/reading-rm/doc-collections/fact-sheets/
security-enhancements.html

50 NRC, “Enhancements to Emergency Preparedness Regulations,” final rule, Federal Register, November 23, 2011, p.
72560.
51 NRC, “Request for Information Pursuant to Title 10 of the Code of Federal Regulations 50.54(f) Regarding
Recommendations 2.1, 2.3, and 9.3 of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi
Accident,” March 12, 2012, http://pbadupws.nrc.gov/docs/ML1205/ML12053A340.pdf.
52 NRC, “Backgrounder on Cyber Security,” October 2016, http://www.nrc.gov/reading-rm/doc-collections/fact-sheets/
cyber-security-bg.html.
53 NRC, “Enhanced Weapons, Firearms Background Checks, and Security Event Notifications,” draft final rule, SECY-
18-0058, June 7, 2018, https://www.nrc.gov/docs/ML1626/ML16264A000.html.
54 NRC, “Supplement to SECY-18-0058, ‘Draft Final Ruleenhanced Weapons, Firearms Background Checks, and
Security Event Notifications,’” February 4, 2020, https://www.nrc.gov/docs/ML1901/ML19017A025.pdf.
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Backgrounder on Cyber Security, Nuclear Regulatory Commission, web page, last
Reviewed/Updated March 28, 2019, https://www.nrc.gov/reading-rm/doc-collections/fact-sheets/
cyber-security-bg.html.
Nuclear Plant Security, Union of Concerned Scientists, web page, updated February 25, 2016,
https://www.ucsusa.org/nuclear-power/nuclear-plant-security#.W2RtxtJKiUk
Protecting Our Nation, Nuclear Regulatory Commission, NUREG/BR-0314, Rev. 4, August
2015, https://www.nrc.gov/docs/ML1523/ML15232A263.pdf
Nuclear Weapons Nonproliferation
Encouraging exports of U.S. civilian nuclear products, services, and technology while making
sure they are not used for foreign nuclear weapons programs has long been a fundamental goal of
U.S. nuclear energy policy. Section 123 of the Atomic Energy Act requires that any country
receiving U.S. nuclear technology, equipment, or materials implement a peaceful nuclear
cooperation agreement with the United States. These so-called 123 agreements are intended to
ensure that U.S. nuclear cooperation with other countries does not result in the production of
weapons materials or otherwise encourage the proliferation of nuclear weapons. Section 123
allows nuclear cooperation agreements to take effect after 90 days of continuous congressional
session if they adhere to specified criteria.
International controls and inspections are intended to ensure the peaceful use of civilian nuclear
facilities and prevent the proliferation of nuclear weapons. However, recent proposals to build
nuclear power plants in a dozen countries55 that have not previously used nuclear energy,
including several in the Middle East and elsewhere in the less developed world, have prompted
concerns that international controls may prove inadequate. Numerous recommendations have
been made in the United States and elsewhere to create new incentives for nations to forgo the
development of uranium enrichment and spent nuclear fuel reprocessing facilities that could
produce weapons materials as well as civilian nuclear fuel.
Recent Events
Iran’s nuclear energy program is a major example of the tension between peaceful and weapons
uses of nuclear technology. Longstanding world concern had focused on the Iranian uranium
enrichment program, which Iran contended was solely for peaceful purposes but which the United
States and other countries suspected was for producing weapons material. The U.N. Security
Council had imposed sanctions and passed several resolutions calling on Iran to suspend its
enrichment program and other sensitive nuclear activities. Iran finalized the Joint Comprehensive
Plan of Action (JCPOA) on July 14, 2015, with the United States and five major European
countries to lift the U.N. sanctions in return for specified Iranian actions to preclude nuclear
weapons development. President Trump strongly criticized the JCPOA during the 2016
presidential campaign and announced on May 8, 2018, that the Administration would cease
implementing the agreement and reimpose sanctions. Other parties to the JCPOA have pledged to
continue abiding by it, however.56

55 World Nuclear Association, “World Nuclear Power Reactors and Uranium Requirements,” June 2020,
http://www.world-nuclear.org/info/reactors.html.
56 European Union, “Joint Statement on the Re-imposition of U.S. Sanctions Due to its Withdrawal from the Joint
Comprehensive Plan of Action (JCPOA),” June 8, 2018, https://eeas.europa.eu/headquarters/headquarters-homepage/
49141/joint-statement-re-imposition-us-sanctions-due-its-withdrawal-joint-comprehensive-plan-action_en.
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Recent extensions of U.S. peaceful nuclear cooperation agreements with China and South Korea
generated controversy but no congressional action to block them. During negotiations on the
U.S.-South Korea nuclear cooperation extension, which entered into force November 25, 2015,
South Korea had sought advance U.S. consent for spent fuel reprocessing and uranium
enrichment. The United States did not provide such consent, on general nonproliferation grounds
and because such consent could affect other ongoing issues on the Korean peninsula. The new
agreement does, however, establish a bilateral “high level commission” to further consider those
issues. The extension of the U.S.-China peaceful nuclear cooperation agreement includes advance
consent for reprocessing and enrichment, which raised some controversy, although both countries
are internationally recognized nuclear weapons states. The agreement with China entered into
force after the mandatory congressional review period ended on July 31, 2015.
Japan’s longstanding nuclear cooperation agreement with the United States automatically
renewed on July 17, 2018, and will remain in force indefinitely unless terminated by either side.57
The agreement allows Japan to reprocess spent nuclear fuel from its U.S.-designed reactors,
separating plutonium and uranium for use in new fuel. A commercial reprocessing plant at
Rokkasho is scheduled to be completed in 2021.58 Some nuclear nonproliferation groups had
urged the United States to use the renewal of the U.S.-Japan nuclear cooperation agreement as an
opportunity to urge Japan not to begin its reprocessing program. They noted that Japan already
has substantial stockpiles of previously separated plutonium that could potentially be used for
weapons as well as reactor fuel.59 Japan approved a new Strategic Energy Plan July 3, 2018, that
includes a pledge to reduce Japanese plutonium inventories, reportedly following pressure from
the United States and other countries.60
Recent discussions between the United States and Saudi Arabia toward drafting a peaceful
nuclear cooperation agreement have prompted substantial controversy. The U.S. nuclear industry
strongly supports an agreement so that it could supply reactors and other nuclear technology to
Saudi Arabia.61 However, nuclear nonproliferation groups want any nuclear cooperation
agreement to include a binding commitment from Saudi Arabia to forswear uranium enrichment
and spent fuel reprocessing on its territory.62 Secretary of State Mike Pompeo testified to the
Senate Foreign Relations Committee May 24, 2018, that the United States was insisting that
Saudi Arabia accept such a commitment as part of any 123 agreement, despite Saudi arguments
that the country has a right to enrich and reprocess under international inspections.63 Energy

57 U.S. Department of State, “U.S. Bilateral Agreements For Peaceful Nuclear Cooperation Pursuant to Section 123 of
the U.S. Atomic Energy Act of 1954, As Amended,” January 20, 2017, https://www.state.gov/t/isn/rls/fs/2017/
266975.htm.
58 Japan Nuclear Fuel Limited, “Reprocessing,” October 31, 2018, https://www.jnfl.co.jp/en/business/reprocessing.
59 Nonproliferation Policy Education Center, “Tokyo and Washington Have Another Nuclear Problem,” August 17,
2017, http://npolicy.org/article.php?aid=1341&rid=2.
60 Japanese Ministry of Economy, Trade, and Industry, “Cabinet Decision on the New Strategic Energy Plan,” July 3,
2018, http://www.meti.go.jp/english/press/2018/0703_002.html; Reuters, “Japan Pledges to Cut Plutonium Stockpile
Amid Growing Concern by Neighbours,” July 31, 2018, https://af.reuters.com/article/commoditiesNews/
idAFL4N1UQ3WD.
61 Nuclear Energy Institute, “As Saudi Arabia Considers New Reactors, NEI Conducts Trade Mission,” April 26, 2018,
https://www.nei.org/news/2018/saudi-arabia-considers-new-reactors.
62 Nonproliferation Policy Education Center, “Letter to Congress on Nuclear Cooperation with Saudi Arabia,” May 24,
2018, http://npolicy.org/article.php?aid=1395&rtid=4.
63 Mufson, Steven, “Pompeo: Saudis Must Not Enrich Uranium If It Seeks Civilian Nuclear Cooperation,” May 24,
2018, https://www.washingtonpost.com/business/economy/pompeo-saudis-must-not-enrich-uranium-if-it-seeks-
civilian-nuclear-cooperation/2018/05/24/714c5e30-5f92-11e8-a4a4-c070ef53f315_story.html.
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Secretary Rick Perry told reporters at a meeting in September 2019 that the United States also
would condition any U.S.-Saudi 123 Agreement on Saudi acceptance of the Additional Protocol,
which allows strengthened international safeguards on nuclear facilities.64
Selected Congressional Action
Expressing the sense of Congress that any United States-Saudi Arabia civilian
nuclear cooperation agreement must prohibit the Kingdom of Saudi Arabia from
enriching uranium or separating plutonium on its own territory, in keeping with
the strongest possible nonproliferation “gold standard” (S.Con.Res. 2,
Merkley/H.Con.Res. 23, Andy Levin)

Expresses the sense of Congress that a 123 agreement with Saudi Arabia should prohibit uranium
enrichment and plutonium separation in Saudi territory and require Saudi acceptance of the
Additional Protocol for nuclear facility inspections. Senate resolution introduced February 12,
2019; referred to Committee on Foreign Relations. House resolution introduced February 28,
2019; referred to Committee on Foreign Affairs.
Saudi Nuclear Nonproliferation Act of 2019 (H.R. 1471, Sherman/S. 612, Markey)
Establishes additional criteria for any 123 agreement with Saudi Arabia and prohibits such an
agreement from taking effect without enactment of a joint resolution of Congress. Both bills
introduced February 28, 2018. House bill referred to Committee on Foreign Affairs; Senate bill
referred to Committee on Foreign Relations.
Preventing Nuclear Proliferation in Saudi Arabia Act of 2019 (S. 2338, Van
Hollen)
Prohibits the U.S. Export-Import Bank from financing nuclear exports to Saudi Arabia unless
Saudi Arabia signs the Additional Protocol and commits not to enrich uranium or separate
plutonium in its territory. Introduced July 30, 2019; referred to Committee on Banking, Housing,
and Urban Affairs.
Hearing: Oversight of the Trump Administration’s Iran Policy
Hearing by the House Committee on Foreign Affairs Subcommittee on the Middle East, North
Africa, and International Terrorism, June 19, 2019, with the U.S. Special Representative for Iran.
Video can be found at https://foreignaffairs.house.gov/2019/6/oversight-of-the-trump-
administration-s-iran-policy.
Hearing: An Examination of U.S.-Iran Policy
Hearing by the Senate Committee on Foreign Relations, October 16, 2019, with the U.S. Special
Representative for Iran. Video and testimony can be found at https://www.foreign.senate.gov/
hearings/an-examination-of-us-iran-policy.

64 Natter, Ari, “U.S. Says Saudis Must Forgo Enrichment for Nuclear Sharing Deal,” Bloomberg, September 18, 2019,
https://www.bloomberg.com/news/articles/2019-09-19/u-s-says-saudis-must-forgo-enrichment-for-nuclear-sharing-
deal.
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CRS Reports
CRS Report R41910, Nuclear Energy Cooperation with Foreign Countries: Issues for Congress,
by Paul K. Kerr, Mary Beth D. Nikitin, and Mark Holt
CRS Report RS22937, Nuclear Cooperation with Other Countries: A Primer, by Paul K. Kerr
and Mary Beth D. Nikitin
CRS Report RL33192, U.S.-China Nuclear Cooperation Agreement, by Mark Holt, Mary Beth D.
Nikitin, and Paul K. Kerr
CRS Report R44942, U.S. Decision to Cease Implementing the Iran Nuclear Agreement, by
Kenneth Katzman, Paul K. Kerr, and Valerie Heitshusen
CRS In Focus IF10799, Prospects for Enhanced U.S.-Saudi Nuclear Energy Cooperation, by
Christopher M. Blanchard and Paul K. Kerr
Other References
Nuclear Nonproliferation, Government Accountability Office, Key Issues website,
https://www.gao.gov/key_issues/nuclear_nonproliferation/issue_summary
Nuclear Cooperation Agreements, Nuclear Energy Institute website, https://www.nei.org/
advocacy/compete-globally/nuclear-cooperation-agreements.
The Nonproliferation Gold Standard: The New Normal?, Arms Control Association, October
2019, https://www.armscontrol.org/act/2019-10/features/nonproliferation-gold-standard-new-
normal
Abstinence or Tolerance: Managing Nuclear Ambitions in Saudi Arabia, Elliott School of
International Affairs, George Washington University, Washington Quarterly, Summer 2018,
https://twq.elliott.gwu.edu/sites/g/files/zaxdzs2121/f/downloads/
TWQ_Summer2018_MillerVolpe.pdf
Avoiding a Nuclear Wild, Wild West in the Middle East, Nonproliferation Policy Education
Center, Working Paper 1801, April 2018, http://npolicy.org/Articles/1801/1801.pdf
The Case for a Pause in Reprocessing in East Asia: Economic Aspects, Nuclear Threat Initiative,
August 9, 2016, http://www.nti.org/analysis/reports/case-pause-reprocessing-east-asiaeconomic-
aspects/
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Author Information

Mark Holt

Specialist in Energy Policy



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