Sellafield may have started as early as August 2004, and was categorised as a level 3 event on the International Nuclear Event Scale, resulting in fines. In February 2009, NuGeneration (NuGen), a consortium of GDF Suez, Iberdrola and Scottish and Southern Energy (SSE), announced plans to build a new nuclear power station of up to 3.6GW capacity at Sellafield. In October 2009, NuGen purchased an option to acquire land around Sellafield from the NDA for £70m. On 2 June 2010, Sellafield's gates were closed as a precaution in the wake of a deadly shooting spree and subsequent police manhunt, and the
Hartlepool Nuclear Power Station urban area. Originally planned in 1967, with construction starting in 1969, the station started generating electricity in 1983, and was completed in 1985, initially being operated by the Central Electricity Generating Board. With privatisation of the UK's electric supply industry in 1990, the station has been owned by Nuclear Electric and British Energy, but is now owned and operated by EDF Energy. On 18 October 2010 the British government announced that Hartlepool was one of the eight sites it considered suitable for future nuclear power stations. With the economic success of another advanced gas-cooled reactor (AGR) nuclear power station at