Although projections suggest that the costs of installing solar energy may outweigh the benefits in the near term, a report recommends that New York State embrace the technology.

A new map gives New Yorkers a relative idea of how much energy the buildings in their neighborhoods are consuming — and what it’s being used for.

A preliminary finding by the Commerce Department suggests that if penalties are levied, they could be retroactive.

Wind and solar companies say they need more government support to be competitive. But in Washington, there’s little enthusiasm for more subsidies.

House Republicans received 66 pages of correspondence on Solyndra, including some related to a loan guarantee and layoffs.

Coda Holdings will make minor changes to battery packs for its cars and sell them individually or grouped together, with the idea of selling them to homeowners to store solar energy and to help businesses reduce their peak loads.

Factory-rated output is not woods-of-Maine output, the author discovers as he adds up the kilowatt hours.

Seven military bases in Southern California could accommodate the addition of 7,000 megawatts of solar power if obstacles like inadequate transmission capacity can be overcome, a report says.

The discovery appears to brighten prospects for Norway’s industry, which had not had much luck exploring in the Barents Sea until recently.

Two companies plan to use novel solar storage technology to power households on summer nights.