Yes it is. If grid goes down when the sun is shining and the inverters are allowed to continue running they would energize the grid if not disable and so endanger linemen who did not follow the required safety protocols. At least that the untilities' argument. Thus the inverters are triggered by...
The more I've thought about it the more convinced I am that at some point I will add a synthetic sound generator (probably mounted in the compartment below the vault bed) and, of course, will want a sound file from a big diesel (complete with compression brake, aka "jake brake"). So have got to...
We're not just talking cars and trucks. Remember Musk's comment that his virtual power plant plans would be far more important than his auto manufacturing. If you have a battery that can be charged and discharged without degradation, then you have the basis for a vehicle to grid system that...