CA regulator says its solar rules are fair, but trio of environmental groups wants to toss them out ...

It’s disappointing that California would let an important solar bill languish,” writes The California McClatchy.

A San Francisco appeals court panel is being pulled back into California’s fiercest energy fight, after the state Supreme ...

California’s power system has an infamous problem. Solar projects produce more electricity than is needed during the day but ...

Despite strong interest, shared solar programs face regulatory, utility, and economic barriers that limit expansion.

The federal solar tax credit, which covered 30% of rooftop solar installation costs, expired Dec. 31. This change made ...

Octopus Energy is investing $1B in California tech, backing carbon removal, heat batteries, and solar as it scales US ...

The federal government is abandoning its tailpipe emissions rules, and that could create an opening for states to fill the ...

"This is the most cost-effective way to go solar right now." Homeowner discovers 'workaround' to snag the now-expired solar ...

Across the country, Democratic-led states are accelerating their initiatives to cut greenhouse gas emissions. Their role just became much more important.

The high-level agreement signed by UK energy secretary Ed Miliband and California’s Democratic governor Gavin Newsom in London on Monday aims to boost technology sharing and mutual investment in the ...