Gov. Jay Inslee signed a bill requiring wind farms to turn off their blinking aviation obstruction lights at night when no low-flying aircraft are around.

In California, a predicted budget shortfall that grew $9 billion since January has not resulted in additional proposed cuts in climate and energy spending.

California's Air Resources Board took one of its first steps toward a potential statewide ban on sales of new gas-powered space and water heaters for buildings.

Pacific Gas and Electric said burying power lines more shallowly would trim the costs of its $25 billion plan to underground 10,000 miles to prevent wildfires.

While PNM awaits a court decision that could revive a merger with Avangrid, PNM officials say they’ll keep running the company like it’s a standalone business.

A California Energy Commission workshop examined the difficulties of connecting vast quantities of clean energy resources to the bulk electric system by 2045.

Up to 13 GW of new generation and storage resources are planned to come online in the Western Interconnection by the end of this summer.

The independent safety monitor appointed to keep watch on PG&E issued its second report, citing the utility's vast, aging distribution system as a main concern.

WECC held a two-day webinar on the outlook for this summer, including Western wildfires and hydropower conditions in the Colorado and Columbia River basins.

The California Air Resources Board approved groundbreaking rules requiring passenger, freight and switcher locomotives to decarbonize in the next three decades.