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Once you plug an 85kwh battery pack into your house, suddenly solar starts looking a lot more feasible. That's at least a day worth of storage.

Storage is only part of the problem, and not one of the most important parts either IMO if you are not cutting off from the grid.

On a society wide scale? We only need as much solar power as is taken up by rooftops if we have effective storage. Once you start reaching 25% penetration of electric cars hooked to the grid, it's compensation for base load.

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