A US energy company is testing power-to-gas systems that store energy from renewable energy production, including solar power, during times of excess supply.

A new report funded by the fuel cell industry claims that over five million fuel cell smart power units could be installed in the UK by 2030, equivalent to 5GW of new generation, driving a “revolution” in distributed energy.

Aerospace giant Lockheed Martin has acquired energy storage company Sun Catalyx, which was founded by a Massachusetts Institute of Technology (MIT) professor and has recently been developing flow batteries for grid storage.