SolarCity to back up solar with Tesla batteries

Published December 5, 2013 12:00am ET



NEW YORK (AP) — The solar panel installer SolarCity is beginning to address one of solar power’s big drawbacks: The sun doesn’t always shine.

The solution: big battery packs that will provide backup power while lowering electric bills. The supplier: electric car maker Tesla Motors, whose CEO Elon Musk is also the chairman of SolarCity.

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