Utility-scale zinc-iron flow battery maker VIZn Energy claims it can deliver energy storage to pair with solar or wind at a “record low price” of just US$0.04 per kilowatt-hour.

Flow battery manufacturer ViZn Energy Systems has won a contract to provide a 1MWh zinc-iron flow battery to India’s majority network operator and utility Power Grid Corporation of India Limited (PGCIL).

To date, the vast majority of the entries into the energy storage market have depended on lithium-based battery chemistry, but, the idea that lithium-ion is the technological and economic front-runner in the stationary storage space is a myth that is in dire need of de-bunking, claims Ron Van Dell.