How will new battery technologies change the energy industry?

Large, powerful batteries are going to be popping up in new places in coming years. They’ll be especially prevalent in the electric industry, as utilities and other companies use huge battery banks to help stabilize the electric grid and homeowners start pairing rooftop solar systems with batteries to store excess energy from the sun for nighttime use. Meanwhile, one company is essentially betting its future on being able to produce large batteries cheaply enough to power millions of electric cars.

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