Solar Day, Born in San Francisco, Radiates to Dozens of Cities

we have to drive demand for this,” says Huegel. In fact, in some cities such as San Francisco it’s possible to apply for government rebates that cut the cost of a residential solar installation in half, he says. “As we drive the price down and as the competition grows, we make it viable.”

But finding out what incentive programs are in place, and how to participate in them, can be complicated.

“There’s a general awareness of solar, especially on the West Coast and especially in the Bay Area, yet people are still hearing the wrong messages,” says Gary Gerber, the president of Sun Light & Power. “They’re hearing ‘Oh, someday solar will be affordable,’ or, ‘It’s out in the future somewhere,’ but here we are having oil spills in the Gulf that are costing untold billions in environmental damage, and meanwhile we have a massive solar spill every day across the United States. If we could only harvest a slight fraction of that, we would have all the energy we need.”

In California, Gerber says, residents can get a 30 percent tax credit for solar installations, and can apply for 20-year financing packages. Together, he says, those arrangements can make solar “cash flow positive from the beginning.”

Gerber says solar water heating systems, like the one his company installed at Dosa, are good investments because they can reduce utility bills drastically. “Restaurants are really ideal for that,” he says. “They’re using hot water all day, and we’re producing it all day. We don’t try to provide 100 percent of the energy for any facility, because you’re not going to get very much hot water on a cloudy day, but we shoot for somewhere between 40 and 80 percent of the load.”

Huegel and Gerber both say they expect SolarDay to pick up momentum gradually, in the same way awareness of Earth Day spread gradually in the 1970s and 1980s. “We got started a little late this year, just a couple of months before SolarDay, but a lot of cities have said they will have an event next year,” Huegel says. “I wouldn’t expect less than 100 cities to participate in 2011.”

SolarDay will always be planned for the last Saturday before the summer solstice, he says. In 2011, that will be June 18.

Author: Wade Roush

Between 2007 and 2014, I was a staff editor for Xconomy in Boston and San Francisco. Since 2008 I've been writing a weekly opinion/review column called VOX: The Voice of Xperience. (From 2008 to 2013 the column was known as World Wide Wade.) I've been writing about science and technology professionally since 1994. Before joining Xconomy in 2007, I was a staff member at MIT’s Technology Review from 2001 to 2006, serving as senior editor, San Francisco bureau chief, and executive editor of TechnologyReview.com. Before that, I was the Boston bureau reporter for Science, managing editor of supercomputing publications at NASA Ames Research Center, and Web editor at e-book pioneer NuvoMedia. I have a B.A. in the history of science from Harvard College and a PhD in the history and social study of science and technology from MIT. I've published articles in Science, Technology Review, IEEE Spectrum, Encyclopaedia Brittanica, Technology and Culture, Alaska Airlines Magazine, and World Business, and I've been a guest of NPR, CNN, CNBC, NECN, WGBH and the PBS NewsHour. I'm a frequent conference participant and enjoy opportunities to moderate panel discussions and on-stage chats. My personal site: waderoush.com My social media coordinates: Twitter: @wroush Facebook: facebook.com/wade.roush LinkedIn: linkedin.com/in/waderoush Google+ : google.com/+WadeRoush YouTube: youtube.com/wroush1967 Flickr: flickr.com/photos/wroush/ Pinterest: pinterest.com/waderoush/