Timeline of the UK electricity supply industry

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The following is a list of major events in the history of the United Kingdom's electricity supply industry.

Year Event
1882 The Electric Lighting Act 1882 (repealed 1989) — allowed the setting up of supply systems by persons, companies or local authorities
1888 The Electric Lighting Act 1888 (repealed 1989) — amendment to 1882 Act making the setting up of a supply company easier.
1891 London Electric Supply Corporation (LESCo) opened Deptford Power Station, UK's first AC power system, designed by Sebastian Ziani de Ferranti.
1899 The Electric Lighting (Clauses) Act 1899 (repealed 1989)
1901 Newcastle upon Tyne Electric Supply Company (NESCo) opened Neptune Bank Power Station, the first in the UK to supply three-phase electric power.
1909 The Electric Lighting Act 1909 (repealed 1989). Regulated planning consent for building power stations.
1919 Williamson Report leads to The Electricity (Supply) Act 1919 (repealed 1989). Established Electricity Supply Corporation[citation needed] and appointed Electricity Commissioners
1922 The Electricity (Supply) Act 1922 (repealed 1989)
1926 Weir Report leads to The Electricity (Supply) Act 1926 (repealed 1989) — created Central Electricity Board and the National Grid operating at 132 kV (50 Hz)
1933 The 132 kV National Grid started operating as interconnected set of regional grids.
1936 The Electricity Supply (Meters) Act 1936 (repealed 1989)
1938 The 132 kV National Grid became integrated.
1943 The Hydro-Electric Development (Scotland) Act 1943 (repealed 1989)
1947 The Electricity Act 1947 (repealed 1989). It merged 625 electricity companies to be vested in twelve area electricity boards and the generation and 132 kV National Grid were vested with the British Electricity Authority.
1954 The Electricity Reorganisation (Scotland) Act 1954 (repealed 1989)
1955 British Electricity Authority becomes the Central Electricity Authority. the Scottish Area Boards are merged into South of Scotland Electricity Board and the North of Scotland Hydro Board.
1957 The Electricity Act 1957 (repealed 1989). The Central Electricity Authority was dissolved and replaced by Central Electricity Generating Board and the Electricity Council.
1961 The Electricity (Amendment) Act 1961 (repealed 1989)
1963 The Electricity and Gas Act 1963 (repealed 1989)
1968 The Gas and Electricity Act 1968 (repealed 1989)
1972 The Electricity Act 1972 (repealed 1989)
1978 Economy 7 introduced.
1979 The Electricity (Scotland) Act 1979 (repealed 1989)
1989 The Electricity Act 1989 — plan for privatising the electricity industry
1990 Beginning of privatisation. The assets of the CEGB are broken up into three new companies: Powergen, National Power and National Grid Company. Later, the nuclear component within National Power was removed and vested in another state owned company called Nuclear Electric
1991 Scottish industry privatised
1992 Electricity supply in Northern Ireland privatised. Premier Power formed.
1993 Supply industry in Northern Ireland privatised.
2000 Utilities Act 2000 — placed responsibility on generators to allow for connecting distributed energy sources to grid.[clarification needed]
2001 The Central Electricity Generating Board (Dissolution) Order 2001. CEGB formally wound up.
2007 From 1 November Northern Ireland generators must sell their electricity into the Single Electricity Market, an all-island market with the Republic of Ireland from which suppliers purchase electricity at a single market rate.

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