Last Thursday, the European Court of Justice (ECJ) ruled in favour of Tempus Energy, against the European Commission, annulling the Commission’s State aid approval for the UK Capacity Market. As a result the Capacity Market in Great Britain has been suspended. The notice from the UK Department of Business, Energy & Industrial Strategy (BEIS) can be found here with guidance from National Grid here. A full description of the ruling and its implications can be found on The Energyst web site here.