How Tesla’s Powerwall Stacks Up to Conventional Energy, By the Numbers
I think about big, cheap batteries for a living, so I stayed up late and listened to the Tesla announcement. My first thoughts: These are fantastic prices for an uninterruptible power supply—but still expensive as day-to-day electricity. In terms of what you get compared to market prices, this is a good deal. $350/kWhr for a…
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Dan Steingart
