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I always suspected that the Tesla app was over-estimating my solar output, as the home usage graph always had a slight bump up centered on solar noon. (Home usage = PoCo - Solar) This weekend I opened up the panel and checked with my Fluke. The actual situation is more complicated - the...

It seems risky not to have the solar/battery system included in the home insurance policy, but what are people actually doing? Stated value equal to installation cost, cost after ITC, some other smaller number? "Other equipment" is usually capped at e.g. $5K, so that would never cover the...

With a Powerwall, there's going to be a sub-second loss of power when it switches over. Very few computer equipment that doesn't already have an internal battery can ride that out, so I'm guessing that most people still have small capacity UPSes on critical devices in their house. Even more...

Anyone know the going price for used Powerwalls? There's a pair for $7000 each near me, used for 1 year. Not sure if that's a good deal.

I've had one IQ7+ in a string that stopped reporting back in August. The enlighten website shows clearly that it's been offline since then. My installer said "but it's still producing power". That sounds like BS, but could it be true?

I've run some numbers, but I'm still on the fence whether to replace my 12 yr old (and thus inefficient) gas water heater with a hybrid electric. Calculating raw per kilowatt hour cost equivalent (lots of assumptions here) current gas heater - 11c/kWh equiv. new gas heater with power damper -...