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 ...

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 ...

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 ...

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

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 ...

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 ...

Another sign of a weak smart meter marketAclara is acquiring General Electric’s electricity metering business. Just two years ago, St. Louis-based Esco Technologies sold Aclara. It is currently ...

According to Tesla, the product will cost $21.85 per square foot for an average American home -- making it competitive with standard tile, metal or slate roofs. You can read more about Tesla's ...