dasunt t1_ja4mw2q wrote
Reply to comment by bitfriend6 in How Much Land Would It Require To Get Most Of Our Electricity From Wind & Solar? by BlitzOrion
There's probably some stuff we could do over the course of a decade or two that would help mitigate the battery issue.
For example, modern water heaters can keep water hot for a decent amount of time - oversize them, and there could be a setup that heats water during the day for use at night. Fridges could be similar, but with cooling. And infrastructure at work could allow EVs to charge during the day. Cooling is another area.
Heating will likely be a problem though. Even with heat pumps, a large amount of electricity will be used. In theory, one could build energy efficient homes with thermal mass. In practice, homes tend to have longer lifespans - unlike appliances, the average home should last for decades before being replaced.
We're going to need something to provide electricity at night, be it wind, hydro, etc.
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