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> Heating water with electricity is the literally last thing we should do.

Would you consider electric showers an exception? They only heat whatever water you're using. I've lived in houses with no hot water in the taps for months, but could still take a hot shower whenever.

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I think it was a reference to the way we get electricity.

Burn gas at the plant to heat water to run steam through turbine to get electricity ... and then use electricity to heat water again? Just use gas at the end point.

Getting heat from fuel (or sun) is easy and efficient. Converting it to electricity isn't.

If electricity comes from a non-fossil-fuel source - it is even more expensive/valuable.

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