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Finland to build world’s largest air-to-water heat pump plant
(www.pv-magazine.com)
This is a most excellent place for technology news and articles.
I guess this is cool, but even though it's an efficient heat pump it's still a poor use of electricity. It would make more sense to use cogeneration, to use the incidental heat from a thermal power plant, for district heating.
Helsinki is getting out of the "burning stuff to make electricity" business. It used to have coal power plants - last ones closed down in 2023 and 2024. There are some dedicated plants for district heating still, but also there's the trend to move away from burning stuff.