Energy storage mines new ground with kinetic battery

A company developing gravity-based methods of storing energy in disused mine shafts has secured¬†¬£650,000 from Innovate UK. Edinburgh-based Gravitricity’s technology uses excess power to lift and suspend a massive weight of up to 2,000 tonnes, using a series of cables and winches. When energy is needed, the weight can be released in less than a […]