The company that operates the site said the fire started while contractors were testing solar panels on the roof, providing a possible explanation for how the blaze began.
From solar panels over canals to fashionable clothes with zero waste, watch "ourHome: Earth Month" to learn about conservation efforts near you and across the country.
SunPower Bay Area customers say they're out thousands of dollars for solar systems that either aren't working properly, weren't fully installed, or had installations that caused damage to their homes.
The world's first self-charging solar car is being showcased in San Francisco. The hybrid car is made by Aptera Motors.
SunPower leaders say they will be restructuring and selling off some of the company to Complete Solaria out of Fremont.
A strong solar storm could make the Northern Lights visible in parts of the state -- but could also impact your power, TVs and radios.