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Clean Energy Transformation Act

Latest CETA News

In Dec. 2020, the Washington State Department of Commerce and Washington Utilities and Transportation Commission adopted administrative rules for implementation of the CETA, the state law passed in 2019 requiring an electricity supply free of greenhouse gas emissions by 2045.

The UTC and Commerce adopted the rules in late Dec. after 18 months of work with stakeholders who represent the interests of residential and business customers, environmental and labor advocates, low-income and disadvantaged communities, and electric utilities. The UTC’s adopted rules are from the Energy Independence Act, Clean Energy Implementation Plans and Integrated Resource Planning, and Purchase of Electricity/Resources.

In 2019, the Washington State Legislature passed a set of bills setting an ambitious, multi-decade agenda that changes how electric and natural gas utilities acquire resources and provide energy services to Washington businesses and consumers. Among the 11 bills was the passage of Engrossed Second Substitute Senate Bill 5116, known as the Clean Energy Transformation Act (CETA), which requires Washington's electric utilities to eliminate carbon emissions from their energy resources by 2045.

CETA: A Brief Overview

CETA requires the state's electric utilities to fully transition to clean, renewable and non-emitting resources by 2045. Washington's investor-owned utilities (IOUs) must develop and implement plans.

The act sets the following mandatory targets:

  • 2025 – All electric utilities must eliminate coal-fired generation serving Washington state customers.
  • 2030 – All electric utilities must be greenhouse gas neutral—for example, remaining carbon emissions are offset by renewable energy, energy efficiency, carbon reduction project investments, or payments funding low-income assistance.
  • 2045 – All electric utilities must generate 100% of their power from renewable or zero-carbon resources.

The act contains provisions to ensure electric service reliability by allowing the UTC to temporarily relieve a utility of its greenhouse gas reduction obligation if the electric grid's reliability or safety is compromised. The act also contains safeguards for consumers to prevent electric bills from rapidly increasing as a result of the utilities' transition to clean energy resources. The UTC will review the utilities' financial plans for reducing and eliminating emissions from electric generation resources through the established rate case process.

Agencies and Stakeholders

The implementation of this package of energy legislation requires multiple state agencies to coordinate their rules and develop mutually supportive timelines for implementation. Those agencies include the state departments of Commerce, Ecology, Health, and Natural Resources. The UTC also expects stakeholders to provide comments on how to best implement the new laws.

How to Participate

To stay informed about upcoming events and how to participate, subscribe to our weekly Clean Energy Bulletin

Tell Us What You Think

Voice your opinion on Washington state's transition to 100% clean energy by participating in the proceedings above. You can file a comment in UTC rulemakings online.

The commission is committed to providing reasonable accommodations to participants with disabilities at its facilities. If you need a reasonable accommodation for these workshops or meetings, please contact the commission at least one business day prior to the event by calling 1-360-664-1132 or by sending an email to For TTY service, please call the Washington Relay Service at 7-1-1 or 1-800-833-6384.