Human Folly about “Polar-Night”

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