KPIX reports that starting January 1st, 2020, all newly built homes in California will require solar rooftop panels. Faculty Director Severin Borenstein expresses some concerns, but says that if we want people to be invested this has to remain affordable.

Solar Panels Will Soon Be Required For Newly Constructed Homes In California – December 2019


More than a billion people currently live without access to electricity in their homes ‘Over the next several decades, Rooftop solar is less efficient and vastly more expensive than capturing energy at large, off-site solar ‘farms.’ But, so far, the new mandate does not allow builders to employ that option.

This definitely tilts the business towards rooftop solar, which is the least efficient way to do solar, so I’m very concerned we’re going to raise the cost of going to a larger share of renewable energy by doing it in a much more costly way.”

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