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And around 16x for the lowest rate payers I know of (11-13 cents/kwh variable off peak/peak) who don’t have solar. Even better for those who do have solar.

Replying to myself.. there are some caveats obviously that getting days when this payment happens is presumably not guaranteed, although with temperatures tending to rise one could expect it to happen. And maybe the price is not guaranteed either beyond a certain point. In other words, maybe don't buy a PowerWall unless you need one for other reasons.. it's probably not a reliable money making idea. Just in case, on the off chance, anyone was thinking of this as a small side income, lol.

Agreed it's a hefty amount. The second part of your statement is not entirely true.

SDGE charges over $1.50 from 4-6PM on FlexAlert days (like yesterday). They charge 4x normal rates from 2-6PM. From 2-4PM which is off-peak it will be over $1, and between 4-6PM it will be $1.60+ which is 4x the on-peak rate.

I'm in CA. I pay 56 cents from 4pm to 9pm.