Arizona Public Service, the state’s largest investor-owned utility, announced Thursday morning that it will add 850 megawatts of battery storage and at least 100 megawatts of solar generation by ...

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Not everyone goes so low: in a recent report [PDF], the National Renewable Energy Laboratory rather arbitrarily chose a 5-megawatt threshold; while the booster-ish website Wiki-Solar chose a 10 ...

Amidst the blackouts that came with Hurricane Sandy’s East Coast assault, a few islands of light and heat stood out. From the suburbs of Maryland and bucolic Princeton, N.J. to the hardest-hit ...

A Massachusetts-based startup says it’s doing something that no other company has been able to pull off: selling lithium-metal batteries commercially.. And they’re appearing first in drones.

The clean energy industry can easily frame itself as the more virtuous answer to fossil fuels. While carbon-emitting energy sources have fueled climate change — which disproportionately impacts ...

Demand charges can tank the economics of early-stage electric-vehicle charging rollouts. Replacements must balance support for EV growth with fair cost-sharing.

A relative of Karagianes' lived in Paradise, Calif. and lost her home to the deadly wildfire there in 2018. The Camp fire was caused by a broken, century-old C-hook intended to keep high-voltage ...

California has more distributed energy resources than any other state, pressuring it to find ways to integrate them into the grid. The interconnection rules that tell developers of rooftop solar ...

The gas tax is catching up to electric vehicles in a growing number of states. Several states have passed or enacted new fees this year, bringing the total to 17.* ...

Newton, Mass.-based General Compression, meanwhile, has stuck with underground caverns for storing compressed air, while seeking to link its storage capabilities with wind power instead of natural ...

Amid a historic economic contraction, renewable resources grew to account for one-fifth of all electricity produced in the U.S. in 2020, according to newly released data from Bloomberg New Energy ...