Comment on Finland warms up the world’s largest sand battery, and the economics look appealing
perestroika@slrpnk.net 2 months agoThey use resistive heating, so they can only charge it dirt cheap when there is surplus solar or wind.
Comment on Finland warms up the world’s largest sand battery, and the economics look appealing
perestroika@slrpnk.net 2 months agoThey use resistive heating, so they can only charge it dirt cheap when there is surplus solar or wind.
Hirom@beehaw.org 2 months ago
Okay, I guess the heat pumps aren’t suitable due to the economics or maybe cannot reach high enough temperatures.
perestroika@slrpnk.net 2 months ago
As much as I’ve understood, yes - heat pumps have difficulty with reaching high temperatures.