Bear in mind that if you plan to recharge from the grid when the power is on, that's just going to exacerbate the problem of gas shortages. In California or Te

Bear in mind that if you plan to recharge from the grid when the power is on, that's just going to exacerbate the problem of gas shortages. In California or Texas you could recharge with solar, but in Europe, solar during winter is basically useless. I'm at 54N and in June my system generates 1400kWh, in December if I get 90kWh I'll be lucky.