KB Leecaster on Nostr: Depending on the cost, this looks like a good way to store extra production from your ...

Depending on the cost, this looks like a good way to store extra production from your PV system especially if you have hydronic heating, but just for domestic hot water it seems great too.
https://www.pv-magazine.com/2024/12/12/fhe-group-presents-thermal-battery-for-solar-power-storage/