Rep. Thomas Massie (R-KY) is an MIT-trained engineer and libertarian who has been living off-grid with his family for over a decade and driving a Tesla Model S for five years.
On Sunday, he posted a YouTube video on his “DIY battery quest” to replace the 12-year-old lead-acid batteries with some new Tesla lithium batteries. As he explains, while living off-grid is expensive, the new batteries could cut his nighttime electricity costs in half, from $0.25 a kilowatt hour to $0.12 a kilowatt hour, which is close to the price of retail electricity.
But while Elon Musk makes his popular Powerwall battery for use with residential solar systems, Tesla doesn’t sell one for off-grid use. And Tesla won’t sell you Model S batteries by themselves.
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Author: Joe Romm