Macquarie Capital and Siemens have formed a joint venture to finance and build distributed energy projects, joining an increasingly competitive landscape in the growing corporate renewables market ...

But that doesn't change the fact that wind power is now cheaper than natural gas and cheaper than coal in a growing number of places around the country. Locked-in long-term PPA prices also offer a ...

The phrase “utility-scale solar” is heard so frequently in discussions about renewable energy that it comes as a bit of a shock when one realizes that there is no commonly accepted definition ...

Generac Power Systems is acquiring Enbala Power Networks, a major step toward putting its market-leading backup generator business and its fast-growing behind-the-meter battery-solar fleet to work ...

Thirty thousand daily energy transactions between 140-plus electricity buyers and sellers: That’s the $8 billion, 4,500-active-node energy market the California Independent System Operator ...

Emma is a staff writer at Greentech Media. She previously covered environmental policy, politics, and climate change at Grist and the New Republic.

California’s heat-wave-driven rolling blackouts last month, and the threat of more to come, have focused state political leaders and energy regulators on how to fix the California Public ...

After 10 years running Sungevity, I recently completed a tour visiting solar companies in and around the U.S., Europe, Asia and Australia. I am pleased to report the residential solar industry is ...

Low-carbon grids need longer-duration storage, but few technologies have succeeded at scale. Here’s the current roster of best bets.

Spinning generators act as a shock absorber for the grid. The rise of renewables presents challenges — and possible solutions.

The LightSail Energy saga had all the makings of an epic Silicon Valley startup success story. Danielle Fong, girl genius, drops out of a few schools (like Steve Jobs!), moves to the startup ...

Energy storage has inspired many metaphors to convey the versatility of its uses. Some call it the bacon of the grid, making other resources taste better. But the image of the Swiss Army knife ...