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Jan 27, 2022 at 0:44 comment added Perkins @OscarBravo Mostly it would be terribly unwise to switch from a cheap-to-extract energy source where the wells have a short lifespan to an expensive-to-extract energy source where the wells have a short lifespan. When you deplete an oil well you only have to move the drilling setup to a new location. When you deplete a thermal layer you have to move the entire power plant and reroute the transmission lines.
Jan 26, 2022 at 21:13 comment added Peter - Reinstate Monica This is literally the first time I have seen that something on the planetary level is insufficient for our civilization. The first glimpse of what it means to become a Kardashev scale Type I civilization, isn't it?
Jan 26, 2022 at 10:17 comment added Oscar Bravo @Luaan We shouldn't do it because it'll run out in a few generations? That never stopped the fossil fuel industry for one second...
Jan 26, 2022 at 7:50 comment added Eric Duminil @WaterMolecule: Yup. That's about the only good thing about BTU.
Jan 25, 2022 at 18:42 comment added WaterMolecule @MichaelSeifert didn't realize that the BTU and kilojoule were such similar units.
Jan 25, 2022 at 14:11 comment added Michael Seifert @towe: It's one of those units you have to get used to if you want to read about the US energy system, unfortunately. It even has a brief Wiki article. In terms of more sensible units, it's about 5% larger than an exajoule.
Jan 25, 2022 at 14:06 comment added towe Quadrillion BTUs... ew.
Jan 25, 2022 at 7:47 comment added Luaan Not to mention that even if it were viable all over the world... geothermal wells have a limited lifetime. They're not quite as fossil as coal, but on human time scales, they might as well be - a good spot might get 50-100 years of the very high efficiency around 10%, but then you have to wait another 200-500 years for the heat reservoir to replenish. If we magically changed all our power generation into geothermal overnight, we'd be creating a hell of a energy crisis for our kids :D Not every place sits right on top of a spreading boundary...
Jan 24, 2022 at 23:44 history answered Michael Seifert CC BY-SA 4.0