WA·Bill·2025-2026 Regular Session
SB 5821
Integrating advanced nuclear energy into the state energy strategy.
Introduced 2025-12-03Last action 2026-01-16 — Public hearing in the Senate Committee on Environment, Energy & Technology at 10:30 AM.Committee Environment, Energy & Technology
Sponsor
BraunR
Cosponsors
Shewmake(D)Boehnke(R)Christian(R)Conway(D)Dozier(R)Gildon(R)Holy(R)Riccelli(D)Salomon(D)Short(R)Warnick(R)Wellman(D)J. Wilson(R)
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Died in Senate committee
The 2025-2026 Regular Session ended on 2026-03-06. This bill was introduced when the session adjourned and did not advance to enactment.
Legislative Progress
✗
Introduced
2
In Committee
3
Passed Chamber
4
Enacted / Signed
Summary
This bill directs Washington State to integrate advanced nuclear energy into its state energy strategy as a means to meet ambitious decarbonization goals, including achieving 95% reduction in greenhouse gas emissions by 2050 and 100% clean electricity by 2045. The legislation acknowledges that growing energy demand from data centers, artificial intelligence, and electrification, combined with the need to replace approximately 19% of current electricity that comes from emitting sources, necessitates consideration of advanced nuclear technologies like small modular reactors. By formally incorporating nuclear power planning into the state's energy strategy, the bill aims to leverage nuclear energy's high capacity factor and reliability to complement renewable sources, potentially reducing the total infrastructure needed while ensuring grid stability during peak demand periods.
Bill history
- 2025-12-03 · SenatePrefiled for introduction.
- 2026-01-12 · SenateFirst reading, referred to Environment, Energy & Technology.
- 2026-01-16 · SenatePublic hearing in the Senate Committee on Environment, Energy & Technology at 10:30 AM.
Note
Historical import. Session: 2025-2026
Full Bill Text
http://lawfilesext.leg.wa.gov/Biennium/2025-26/Pdf/Bills/Senate%20Bills/5821.pdf