San Diego's success in diversifying its water supply is muddying the waters of Northern California's Bay Delta Conservation Plan.

San Diego Gas & Electric says a judge has kept an injunction in place that bars the utility from canceling its power contract with a Montana wind farm because of potential threats to nearby golden eagles.

At the County Administration Center's 75th anniversary last year, Supervisor Greg Cox said the new park going around it would "set the whole building off in a much more attractive setting." That was last July. A lot has happened on site since, as the $46.5 million park has begun to take shape ahead of its expected opening this May.

Although the new Title 24 “requirements” were pushed back to July 1, (originally slated to hit Jan. 1), the building owner and contractor industries are scrambling to make sense of it all.

Tesla Motors Inc.’s plan to ramp up battery production by building what Chief Executive Officer Elon Musk calls a “gigafactory” may do more to transform the power industry than it does to advance the electric car.

San Diego Gas & Electric’s Energy Innovation Center has become the first facility in the region to earn double-LEED Platinum certifications from the U.S. Green Building Council.

It's a given that a solar energy system will allow you to slash your monthly electric.

As November’s general election creates numerous possibilities for policy change both in San Diego and across the country, a group of executives from companies and groups involved in the expansion of solar energy systems discussed the state of their economies at a Daily Transcript roundtable.

In the aftermath of the summer bankruptcy of the government-backed California solar panel maker Solyndra, expectations among renewable energy wonks, who describe the company’s failure as an outlier among many successes, remain generally high. But some policy research analysts are more skeptical — not doubtful, but still skeptical.

Working in the energy business was never a goal for Lee Krevat, now the director of smart grid and clean transportation for San Diego Gas & Electric, and in fact was the result of a begrudgingly made career switch from Silicon Valley at the behest of his family.

When entering San Diego's business community about 30 years ago, Clint Walker’s aim had nothing to do with being in the solar business. His success as the co-founder and president of Southwestern Solar Systems since his entrance to the business in 2009 came about in much the same fashion his other major endeavors have.

When Cecilia Aguillon, director of marketing and government relations for Kyocera Solar Inc., immigrated to the United States from El Salvador as a teen, she grew into a young adult with a lofty goal in mind: to save the world.