How so? He says "on sunny days the miner and whole heat pump are running fully on solar energy collected on my roof", hard to beat that with gas. I would say th

How so? He says "on sunny days the miner and whole heat pump are running fully on solar energy collected on my roof", hard to beat that with gas. I would say that moving more houses to all-electric heating, water heaters, clothes dryers etc. is future proofing - right now, a lot of that energy would be from fossil fuels, but swapping in renewables is easy.