The owner of Washington’s only non-utility gas-fired plant filed a suit over what it claims is discriminatory treatment in the state’s cap-and-trade program.

Washington Gov. Jay Inslee will seek millions in state funding to establish a Washington State University program dedicated to researching sustainable energy.

Washington Gov. Jay Inslee thinks the state government should explore joining with businesses to build and share EV charging sites.

Nearly a dozen utilities committed to joining the “binding” iteration of the Western Resource Adequacy Program, with more expected to sign on later this month.

Two Western governors speaking at COP27 said they see states leading the federal government in tackling climate change measures on the ground in the U.S.

Washington needs to do a large amount of legwork to prepare for Gov. Inslee’s mandate banning the sale of new gas-powered cars by 2035, state officials said.

EPA on Wednesday announced it is distributing nearly $1 billion in grants to 389 school districts across the U.S. to buy cleaner buses, most of them electric.

Leaders from the three West Coast states and the Canadian province of British Columbia signed an agreement pledging to cooperate on climate change measures.

Wash. lawmakers will likely prioritize legislation designed to sharply reduce emissions from homes and commercial buildings during the upcoming 2023 session.

The non-utility owner of a Washington gas-fired power plant can receive free cap-and-trade allowances from the state, a government board decided.