https://cleantechnica.com/2022/07/05/sa ... n-finland/
This is kind of cool.
Finland tests a hot sand battery
Finland tests a hot sand battery
Tesla Model 3 Performance
Oversees an 11kWp solar array at work
Oversees an 11kWp solar array at work
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AE-NMidlands
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Re: Finland tests a hot sand battery
We have been discussing that here: https://camelot-forum.co.uk/phpBB3/view ... 905#p13905
The NREL one (with the graphic) has been publicised a year or two ago, involving the need to pump hot sand around. The BBC report which the article refernces (but skips over https://www.bbc.co.uk/news/science-environment-61996520) doesn't suggest anything like that, just a heat exchanger (recovery) circuit in the cheapo sand heap.
A
The NREL one (with the graphic) has been publicised a year or two ago, involving the need to pump hot sand around. The BBC report which the article refernces (but skips over https://www.bbc.co.uk/news/science-environment-61996520) doesn't suggest anything like that, just a heat exchanger (recovery) circuit in the cheapo sand heap.
A
2.0 kW/4.62 MWh pa in Ripples, 4.5 kWp W-facing pv, 9.5 kWh batt
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30 solar thermal tubes, 2MWh pa in Stockport, plus Congleton and Kinlochbervie Hydros,
Most travel by bike, walking or bus/train. Veg, fruit - and Bees!