Ava Community Energy’s SmartHome Battery program is offering income-qualified North California residents up to $6,000 in up front incentive cash to install a FranklinWH smart battery and connect it to the utility’s virtual power plant (VPP).

There’s no shortage of advice on how to size a home solar and battery system, but most of it assumes a suburban home with city services and outages measured in hours, not days. Rural homes play by different rules, especially during summer storms. When heavy winds take down power lines and your utility prioritizes restoring urban neighborhoods first, having a home battery isn’t about convenience — it’s about damage control.

Thousands of electric vehicles in Waymo’s autonomous robotaxi fleet may eventually give up their used batteries for a very different purpose—contributing up to hundreds of megawatt-hours of stationary energy storage to local power grids.

That prospect comes from a “strategic supply agreement” announced by Waymo and B2U Storage Solutions on June 4. B2U has been repurposing thousands of used batteries from various electric vehicles by installing them in large stationary energy storage projects. Such energy storage facilities can capture excess renewable energy during low demand periods and release such energy when local power grids are experiencing peak demand periods.

“Our business is getting the full residual value out of electric vehicle batteries after they're no longer suitable for automotive use,” Freeman Hall, CEO of B2U Storage Solution, told Ars. “Waymo puts a lot of miles on EVs and their model is expanding rapidly, and so we're just very pleased and honored to be able to work with them.”

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A new bill extending home and community solar incentive programs has passed both houses of the Connecticut Senate, and just needs Governor Ned Lamont’s signature to make it into law. It’s taken us a while to parse through it, but one thing is clear: batteries are the big winners.