Development and installation of a remote control/automation system onto an existing 11,000 / 6,600 volt distribution network in the North West of the UK

United Utilities provides the electricity network for 2.28 million customers in the North-West of England. Supplies are distributed at the following voltage levels: 132kV; 33kV; 11kV, 6.6kV and 400/230 Volts. This network of almost 60,000km together with 32,000 substations delivers 25,444 gigawatt hours of electricity annually from the National Grid to both domestic and business premises. United Utilities charges supply companies for using our distribution network based on rates set by the industry regulator, Ofgem.