← Legislators

Cortez Masto, Catherine

Current

U.S. Senator · Democratic · NV

Served 2017–present

(202) 224-3542309 Hart Senate Office Building Washington, DC 20510

Official website ↗

Committee Assignments

Senate Committee on Banking, Housing, and Urban Affairsmember Senate Committee on Energy and Natural Resourcesmember Senate Committee on Financemember Senate Committee on Indian Affairsmember Energymember Financial Institutions and Consumer Protectionranking member Health Caremember International Trade, Customs, and Global Competitivenessmember National Security and International Trade and Financemember Public Lands, Forests, and Miningranking member Securities, Insurance, and Investmentmember Social Security, Pensions, and Family Policymember Water and Powermember

Legislative Activity

65 bills/resolutions

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

Opportunities for Nuclear Energy Investment Act

Committee referral S 5254

Civil Nuclear Export Act of 2026

Committee referral S 4284

Nuclear Energy Innovation and Deployment Act of 2026

Committee referral S 4228

ACE Nuclear Energy Act of 2026

Committee referral S 4267

Strengthening American Nuclear Energy Act of 2026

Committee referral S 3106

No Nuclear Testing Without Approval Act

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

Advancing Research in Nuclear Fuel Recycling Act of 2025

Committee referral S 101

Nuclear Waste Informed Consent Act

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

Advancing Research in Nuclear Fuel Recycling Act of 2024

Committee referral

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

Civil Nuclear Export Act of 2023

Committee referral S 1681

Uranium Miners and Workers Act of 2023

Committee referral S 1544

Facilitating Innovative Nuclear Diagnostics Act of 2023

Committee referral S 1112

Department of Energy and Nuclear Regulatory Commission Whistleblower Protection Act

Committee referral S 763

Reduce Russian Uranium Imports Act

Committee referral S 452

Nuclear Fuel Security Act of 2023

Committee referral S 404

Nuclear Waste Informed Consent Act

Fueling Our Nuclear Future Act of 2022

Committee referral S 3856

A bill to prohibit the importation of uranium from the Russian Federation.

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

Fission for the Future Act

Committee referral S 2896

Department of Energy and Nuclear Regulatory Commission Whistleblower Protection Act

Committee referral HR 5376

Inflation Reduction Act of 2022

Committee referral S 2609

Facilitating Innovative Nuclear Diagnostics Act of 2021

Committee referral S 2291

Zero-Emission Nuclear Power Production Credit Act of 2021

Committee referral S 541

Nuclear Waste Informed Consent Act

SRES 72

A resolution opposing the lifting of sanctions imposed with respect to Iran without addressing the full scope of Iran's malign activities, including its nuclear program, ballistic and cruise missile capabilities, weapons proliferation, support for terrorism, hostage-taking, gross human rights violations, and other destabilizing activities.

2021-02-24

Committee referral

No Nuclear Testing Without Approval Act

Nuclear Energy Renewal Act of 2019

Committee referral S 2338

Preventing Nuclear Proliferation in Saudi Arabia Act of 2019

Committee referral S 1330

Department of Energy and Nuclear Regulatory Commission Whistleblower Protection Act of 2019

Cosponsor S 1234

Nuclear Waste Administration Act of 2019

Committee referral S 1134

Nuclear Powers America Act of 2019

Committee referral S 903

Nuclear Energy Leadership Act

Committee referral HR 1760

Advanced Nuclear Fuel Availability Act

Committee referral S 649

Nuclear Waste Informed Consent Act

Nuclear Energy Leadership Act

Committee referral HR 6140

Advanced Nuclear Fuel Availability Act

Committee referral S 2968

Department of Energy and Nuclear Regulatory Commission Whistleblower Protection Act of 2018

Committee referral HR 4378

Nuclear Energy Research Infrastructure Act of 2018

Committee referral S 1457

Advanced Nuclear Energy Technologies Act

Committee referral S 666

A bill to amend the Internal Revenue Code of 1986 to modify the credit for production from advanced nuclear power facilities.

Committee referral S 95

Nuclear Waste Informed Consent Act

Nuclear Energy Innovation Capabilities Act of 2017

Committee referral S 2988

A bill to extend the sunset of the Iran Sanctions Act of 1996 in order to effectuate the Joint Comprehensive Plan of Action in guaranteeing that all nuclear material in Iran remains in peaceful activities.

Committee referral HR 4979

Advanced Nuclear Technology Development Act of 2016

Committee referral S 2461

Nuclear Energy Innovation Capabilities Act

Committee referral HR 4084

Nuclear Energy Innovation Capabilities Act

Committee referral S 1825

Nuclear Waste Informed Consent Act

Committee referral S 1428

Excess Uranium Transparency and Accountability Act

Committee referral S 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.

Committee referral S 854

Nuclear Waste Administration Act of 2015

Committee referral S 792

Nuclear Weapon Free Iran Act of 2015

Committee referral S 269

Nuclear Weapon Free Iran Act of 2015

Committee referral S 1765

Iran Nuclear Compliance Act of 2013

Committee referral S 1240

Nuclear Waste Administration Act of 2013

Committee referral HR 850

Nuclear Iran Prevention Act of 2013

Committee referral S 3469

Nuclear Waste Administration Act of 2012

Committee referral S 2176

Nuclear Waste Fund Relief and Rebate Act

Committee referral S 1067

Nuclear Energy Research Initiative Improvement Act of 2011

Committee referral S 512

Nuclear Power 2021 Act

Committee referral S 342

Republic of the Marshall Islands Supplemental Nuclear Compensation Act of 2011

Committee referral S 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.

Committee referral