alt Hacker NewsI always thought the Powerwall was undersized, especially when you compare to the cost and capacity of a fixed-mount generator.
I always thought the Powerwall was undersized, especially when you compare to the cost and capacity of a fixed-mount generator.
When I briefly looked at Powerwalls my installer said that for a 10kW system like mine they would generally install two because of inverter limitations and because it would be a better capacity match.
In the end we have a pretty generous NEM agreement so it wasn't necessary, but it is something we researched at the time.