this post was submitted on 03 Sep 2024
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143
Finland to build world’s largest air-to-water heat pump plant (www.pv-magazine.com)
submitted 2 months ago by ArtikBanana@lemmy.dbzer0.com to c/technology@lemmy.world
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[–] CrimeDad@lemmy.crimedad.work 1 points 2 months ago

What about when you don't have excess solar power? People need heat when they need heat, not just on sunny days. So, you'd need a massive battery for that, which has some undesirable implications. Instead, a thermal plant (be it solar, geothermal, or nuclear) can be designed to reliably satisfy heating and electricity demand with excess electricity going to hydrogen production for emissions-free steel, fertilizer, and vehicle fuel.