How does the efficiency of
* natural gas -> fire -> heat -> electricity in massive generator -> home -> induction stove -> pan
compare to
* natural gas -> fire -> heat -> pan
? And resistive is worse than induction.
* natural gas -> fire -> heat -> electricity in massive generator -> home -> induction stove -> pan
compare to
* natural gas -> fire -> heat -> pan
? And resistive is worse than induction.
Not to mention the pollution from the power plant is not going directly into your home (or face).
This is not a small or hypothetical impact. From the article:
> The air district estimated that the new rules for homes would cut nitrogen oxides enough to prevent 89 deaths per year in the Bay Area.
* natural gas -> home furnace -> fire -> warm air
vs
* natural gas -> fire -> heat -> electricity in massive generator -> home -> heat pump -> warm air
The latter is, surprisingly, something like 2x the efficiency because while large scale electricity generation from gas is only about 40% efficient, you can get a COP in the neighborhood of 5x on the heat pump.The part that isn't obvious is that the fantastical-sounding "5x" isn't really about energy efficiency but rather about changing the problem from "generating heat" to "moving heat from one place to another".