Seeboard Plc distributes and supplies electricity to a population of 4.3 million and to commercial and industrial customers. Its distribution network covers an area of 3000 square miles bounded in the west by Kingston, Guilford, Horsham and Littlehampton; in the north by Croydon, Orpington, Gravesend and the Thames Estuary and in the south and east by the English Channel. As well as maintaining a 24 hour supply of electricity, Seeboard also sells electrical goods in its high street shops and out of town superstores. It operates an electrical Installations service and energy experts give advice on the effecient use of electricity. Through a sudsidiary it sells gas to commercial customers. Supply of elecricity accounted for 71% of fiscal 1995 revenues; distribution of electricity, 21% and other activities, 8%.