SolarCity, one of the largest solar installers and leasing companies in the US, has moved into providing energy storage via pilot programmes for residential and commercial customers in key regional markets including California. Will Craven, director of public affairs and spokesman for SolarCity, discusses the regulatory situation facing the company and others in the rapidly growing area of energy storage-plus-solar.

Energy storage technologies are not the “silver bullet” they have sometimes been hyped as, but nonetheless have a crucial role to play in a decarbonised electricity system, according to the International Energy Agency (IEA).