Want a Tesla Solar Roof? You may need to shell out for a Powerwall first

At Tesla, the company’s stock price apparently isn’t the only thing that’s climbing lately.
Powerwall sales are also poised to rise, now that the automaker’s big batteries are reportedly a prerequisite for Solar Roof installations.
The requirement is new as of September, and it comes as Tesla ramps up Powerwall production at its Nevada factory, per Electrek. Tesla did not respond to a request for comment on the report, but the change seemingly reflects the inroads the firm has made on its hefty backlog of Powerwall orders. Tesla pinned the pileup on the global chip sh

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