Looks expensive. The grey ones are the broken ones.
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PV isn’t super efficient. It’s great on a rooftop because the space isn’t being used for anything else, but for grind-scale there are other solar options, such as concentrated solar thermal arrays that drive heat engines.
Solar thermal systems can also store and retrieve excess energy using molten salt, allowing load balancing without needing batteries.
This. mirrors focused on a boiler work best, but then you get random fried birds…
