cross-posted from: https://mander.xyz/post/52096709
Germany’s coal phase-out is on track to happen through market forces well before the legal 2038 deadline, regardless of current energy market turbulence, says Hauke Hermann, a researcher at the Institute of Applied Ecology (Öko-Institut). Carbon price trends make an exit as early as 2031 or 2032 likely, Hermann told Clean Energy Wire. Refiring old coal plants in response to the Iran war’s energy market shock to cut power costs would distort investment signals and is unlikely to happen in practice, he added.
Soaring energy prices have triggered calls for slowing Germany’s coal exit. The country’s coal exit law, agreed in 2020, provides for the step-by-step decommissioning of coal power plants. It also stipulates that coal-fired power generation must cease by 2038 at the very latest. Germany’s western coal region aims for an earlier phase-out by 2030, but delays in building new gas-fired power plants as a backup for renewables make meeting this earlier deadline increasingly unlikely.
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Nuclear can’t be used for that either way. Nuclear power plants are notoriously expensive, so they need to run at a constant 100% output to be remotely economically viable. That means you can’t just dial them up to fill a gap in renewables since they already are at max output.
Even if we ignore economic concerns, the old reactors we had weren’t build to operate in load following mode, meaning you couldn’t just ramp their output up/down if you wanted to. New reactors are often build with that capability in mind, but that would’ve required pretty much a full rebuild of the reactor chamber and the control system. With the already required maintenance it would’ve been easier to just build a new reactor at that point.
If the two options are a new nuclear reactor or investment in renewables, than the latter option is faster, more reliable and cheaper. The gaps in renewables could easily be solved with more water reservoirs and battery stations as power storage. The main problem is that germany, like always, introduced so many diplomatic hurdles in the process that no one wants to do it. You can thank our totally not corrupt politicians for that.
Yep, Nuclear is all you listed above. But OTOH they are reliable and predicatable 24/7.
You sure? Nuclear is reliable, renewables aren’t because they depend on weather.
“Easily”. Besides corruption, the sheer amount of energy storage required is enormous, there are nowhere enough batteries available nor pumped storage hydropower. Perhaps in the future where sodium and other batteries appear in mass production, but not today.
Edit: also you can’t look at average consumption but at peak daily consumption which might be quite higher during winter than summer.