Nuclear Policy Tracker
State Legislation & Regulatory Actions
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← Legislators

Cantwell, Maria

Current

U.S. Senator · Democratic · WA

Served 1993–present

(202) 224-3441511 Hart Senate Office Building Washington, DC 20510
Official website ↗

Committee Assignments

Joint Committee on TaxationmemberSenate Committee on Commerce, Science, and Transportationranking memberSenate Committee on Energy and Natural ResourcesmemberSenate Committee on FinancememberSenate Committee on Indian AffairsmemberSenate Committee on Small Business and EntrepreneurshipmemberAviation, Space, and InnovationmemberCoast Guard, Maritime, and FisheriesmemberConsumer Protection, Technology, and Data PrivacymemberEnergy, Natural Resources, and Infrastructureranking memberScience, Manufacturing, and CompetitivenessmemberSurface Transportation, Freight, Pipelines, and SafetymemberTelecommunications and Mediamember

Legislative Activity

66 bills/resolutions

Bills and resolutions this member sponsored, cosponsored, or that were referred to a committee they sit on.

S 5641
Opportunities for Nuclear Energy Investment Act
2026-09-30
Committee referral
SRES 903
A resolution designating October 30, 2026, as a national day of remembrance for the workers of the nuclear weapons program of the United States.
2026-09-24
Cosponsor
S 4284
Nuclear Energy Innovation and Deployment Act of 2026
2026-04-14
Committee referralS 4267
Strengthening American Nuclear Energy Act of 2026
2026-03-26
Committee referral
SRES 467
A resolution designating October 30, 2025, as a national day of remembrance for the workers of the nuclear weapons program of the United States.
2025-10-27
Cosponsor
S 3016
Advancing Research in Nuclear Fuel Recycling Act of 2025
2025-10-16
Committee referral
SRES 889
A resolution designating October 30, 2024, as a national day of remembrance for the workers of the nuclear weapons program of the United States.
2024-09-25
Cosponsor
S 5157
Advancing Research in Nuclear Fuel Recycling Act of 2024
2024-09-24
Committee referral
SRES 452
A resolution designating October 30, 2023, as a national day of remembrance for the workers of the nuclear weapons program of the United States.
2023-11-06
Cosponsor
SRES 321
A resolution expressing the sense of the Senate relating to nuclear power and the commitment of the Senate to embracing and promoting nuclear power as a clean baseload energy source necessary to achieve a reliable, secure, and diversified electric grid.
2023-07-27
Committee referral
S 1681
Uranium Miners and Workers Act of 2023
2023-05-18
Committee referralS 1544
Facilitating Innovative Nuclear Diagnostics Act of 2023
2023-05-10
Committee referralS 1112
Department of Energy and Nuclear Regulatory Commission Whistleblower Protection Act
2023-03-30
Committee referralS 763
Reduce Russian Uranium Imports Act
2023-03-09
Committee referralS 452
Nuclear Fuel Security Act of 2023
2023-02-15
Committee referral
SRES 785
A resolution designating October 30, 2022, as a national day of remembrance for the workers of the nuclear weapons program of the United States.
2022-09-20
Cosponsor
S 4066
Fueling Our Nuclear Future Act of 2022
2022-04-07
Committee referralS 3856
A bill to prohibit the importation of uranium from the Russian Federation.
2022-03-16
Committee referral
SJRES 40
A joint resolution formally apologizing for the nuclear legacy of the United States in the Republic of the Marshall Islands and affirming the importance of the free association between the Government of the United States and the Government of the Marshall Islands.
2022-03-01
Committee referral
S 3428
Fission for the Future Act
2021-12-16
Committee referral
SRES 438
A resolution designating October 30, 2021, as a national day of remembrance for the workers of the nuclear weapons program of the United States.
2021-11-03
Cosponsor
S 2896
Department of Energy and Nuclear Regulatory Commission Whistleblower Protection Act
2021-09-29
Committee referralHR 5376
Inflation Reduction Act of 2022
2021-09-27
Committee referralS 2609
Facilitating Innovative Nuclear Diagnostics Act of 2021
2021-08-04
Committee referralS 2291
Zero-Emission Nuclear Power Production Credit Act of 2021
2021-06-24
Committee referral
SRES 741
A resolution designating October 30, 2020, as a national day of remembrance for the workers of the nuclear weapons program of the United States.
2020-09-30
Cosponsor
SRES 673
A resolution affirming that the New START Treaty extension will cover new deployed Russian nuclear delivery systems, and supporting additional initiatives to engage China that advance the goal of concluding an arms control treaty or agreement.
2020-08-06
Cosponsor
SRES 377
A resolution designating October 30, 2019, as a national day of remembrance for the workers of the nuclear weapons program of the United States.
2019-10-24
Cosponsor
S 2368
Nuclear Energy Renewal Act of 2019
2019-07-31
Committee referralS 1330
Department of Energy and Nuclear Regulatory Commission Whistleblower Protection Act of 2019
2019-05-06
Committee referralS 1234
Nuclear Waste Administration Act of 2019
2019-04-30
Committee referralS 1134
Nuclear Powers America Act of 2019
2019-04-10
Committee referralS 903
Nuclear Energy Leadership Act
2019-03-27
Committee referralHR 1760
Advanced Nuclear Fuel Availability Act
2019-03-14
Committee referral
SRES 682
A resolution designating October 30, 2018, as a national day of remembrance for nuclear weapons program workers.
2018-10-11
Cosponsor
S 3422
Nuclear Energy Leadership Act
2018-09-06
Committee referralHR 6140
Advanced Nuclear Fuel Availability Act
2018-06-19
Committee referralS 2968
Department of Energy and Nuclear Regulatory Commission Whistleblower Protection Act of 2018
2018-05-24
Committee referralHR 4378
Nuclear Energy Research Infrastructure Act of 2018
2017-11-13
Committee referral
SRES 314
A resolution designating October 30, 2017, as a national day of remembrance for nuclear weapons program workers.
2017-10-30
Cosponsor
S 1457
Advanced Nuclear Energy Technologies Act
2017-06-28
Committee referralS 666
A bill to amend the Internal Revenue Code of 1986 to modify the credit for production from advanced nuclear power facilities.
2017-03-15
Committee referralHR 590
Advanced Nuclear Technology Development Act of 2017
2017-01-20
Committee referralS 97
Nuclear Energy Innovation Capabilities Act of 2017
2017-01-11
Committee referral
SRES 560
A resolution designating October 30, 2016, as a national day of remembrance for nuclear weapons program workers.
2016-09-15
Cosponsor
HR 4979
Advanced Nuclear Technology Development Act of 2016
2016-04-18
Committee referralS 2461
Nuclear Energy Innovation Capabilities Act
2016-01-21
Committee referralHR 4084
Nuclear Energy Innovation Capabilities Act
2015-11-19
Committee referralS 1825
Nuclear Waste Informed Consent Act
2015-07-22
Committee referral
SRES 213
A resolution designating October 30, 2015, as a national day of remembrance for nuclear weapons program workers.
2015-06-24
Cosponsor
S 1428
Excess Uranium Transparency and Accountability Act
2015-05-21
Committee referralS 1363
A bill to require the Secretary of Energy to submit to Congress a report assessing the capability of the Department of Energy to authorize, host, and oversee privately funded fusion and fission reactor prototypes and related demonstration facilities at sites owned by the Department of Energy.
2015-05-18
Committee referralS 854
Nuclear Waste Administration Act of 2015
2015-03-24
CosponsorS 615
Iran Nuclear Agreement Review Act of 2015
2015-02-27
CosponsorS 1240
Nuclear Waste Administration Act of 2013
2013-06-27
Committee referral
SRES 164
A resolution designating October 30, 2013, as a national day of remembrance for nuclear weapons program workers.
2013-06-10
Cosponsor
S 3469
Nuclear Waste Administration Act of 2012
2012-08-01
Committee referral
SRES 519
A resolution designating October 30, 2012, as a national day of remembrance for nuclear weapons program workers.
2012-07-16
Cosponsor
SJRES 41
A joint resolution expressing the sense of Congress regarding the nuclear program of the Government of the Islamic Republic of Iran.
2012-05-24
Cosponsor
S 2176
Nuclear Waste Fund Relief and Rebate Act
2012-03-08
Committee referral
SRES 380
A resolution to express the sense of the Senate regarding the importance of preventing the Government of Iran from acquiring nuclear weapons capability.
2012-02-16
Cosponsor
SRES 275
A resolution designating October 30, 2011, as a national day of remembrance for nuclear weapons program workers.
2011-09-22
Cosponsor
S 1067
Nuclear Energy Research Initiative Improvement Act of 2011
2011-05-25
Committee referralS 512
Nuclear Power 2021 Act
2011-03-08
Committee referralS 342
Republic of the Marshall Islands Supplemental Nuclear Compensation Act of 2011
2011-02-14
Committee referralS 109
A bill to amend the Atomic Energy Act of 1954 to require congressional approval of agreements for peaceful nuclear cooperation with foreign countries, and for other purposes.
2011-01-25
Committee referral

Voting Record

HR 1: On Passage of the Bill
2025-07-01
nay
HR 1: On the Motion
2025-07-01
yea
HR 1: On the Motion
2025-07-01
yea
HR 1: On the Motion
2025-07-01
yea
HR 1: On the Motion
2025-06-30
yea
HR 1: On the Motion
2025-06-30
yea
HR 1: On the Motion
2025-06-30
yea
HR 1: On the Motion
2025-06-30
yea
HR 1: On the Motion
2025-06-30
yea
HR 1: On the Motion
2025-06-30
yea
HR 1: On the Motion
2025-06-30
yea
HR 1: On the Motion
2025-06-30
yea
HR 1: On the Motion
2025-06-30
yea
HR 1: On the Motion
2025-06-30
yea
HR 1: On the Motion
2025-06-30
yea
HR 1: On the Motion
2025-06-30
yea
HR 1: On the Motion
2025-06-30
nay
HR 1: On the Motion
2025-06-30
yea
HR 1: On the Motion
2025-06-30
yea
HR 1: On the Decision of the Chair
2025-06-30
nay
HR 1: On the Motion to Proceed
2025-06-28
nay