Along with TEPCO, Mercom named other major utilities and companies with a background in oil and gas as investors in the battery storage sector during the quarter.

What has driven the recent boom in Germany’s household energy storage installation figures? What value do customers expect when adding a storage system to their homes? And more importantly, what are energy storage providers doing to sustain and accelerate growth, which can eventually unlock a true mass market? Florian Mayr of Apricum takes a closer look.