You are correct Polar Night is in Finland. Denmark is working on molten salt batteries. https://www.warpnews.org/energy/denmarks-first-molten-salt-battery-can-

You are correct Polar Night is in Finland. Denmark is working on molten salt batteries. https://www.warpnews.org/energy/denmarks-first-molten-salt-battery-can-power-100-000-homes-for-10-hours/ https://www.warpnews.org/energy/denmarks-first-molten-salt-b...