Cumulus has turned to a battery design first used 200 years ago to create a grid-scale storage solution that it says will achieve the Holy Grail of being both affordable and reliable. Jane Gray reports.
Game changer: back to the future with Cumulus
Cumulus has turned to a battery design first used 200 years ago to create a grid-scale storage solution that it says will achieve the Holy Grail of being both affordable and reliable. Jane Gray reports.