Human Folly about “sand-battery”

(youtube.com):
#solar #energy #sand-battery #energy-storage feeding 250 watts into a stove burner in a flowerpot full of (construction?) sand. #toread #video
on 02026-01-14
S266711312500035X (sciencedirect.com):
#paper on “Experimental analysis of an institutional solar PV-powered steam cooker with sand-based thermal energy storage” at a high school in Ghana. #energy-storage #sand-battery #energy #solar
on 02025-11-28
250Mwh sand battery to start construction in Finland for both heating and ancillary services (energy-storage.news):
Another #news item about the #Polar-Night #sand-battery #energy-storage, which utility Lahti Energia will be using for district heating #energy
on 02025-11-27
20221102 how a sand battery could transform clean energy (bbc.com):
"sand battery" #energy storage for district heating in Finland, built by #Polar-Night Energy at Vatajankoski power plant
on 02024-06-19