Public electricity supplier

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Public electricity suppliers (PES) were the fourteen companies created when the electricity market in the United Kingdom was privatised.

In England and Wales the Central Electricity Generating Board had been responsible for the generation and transmission of electricity, with the twelve area electricity boards (AEBs) formed under the Electricity Act 1947 responsible for the distribution and supply of electricity to consumers.

In Scotland the structure was different, with all aspects of generation, transmission, distribution and supply being carried out by two vertically integrated companies.

History[edit]

England & Wales[edit]

On 31 March 1990 the AEBs were changed into independent regional electricity companies (RECs) and the CEGB was split into four, three generation companies and the National Grid Company, operator of the National Grid. The National Grid Company was placed under the ownership of the RECs. On 11 December 1990 the RECs were privatised.

In 2000, as part of further restructuring under the Utilities Act 2000, the PES were required to have separate licenses for their supply business and distribution network, which were renamed distribution network operators (DNOs).

Scotland[edit]

The Scottish boards were privatised whole in 1991 with the exception of the nuclear plants, which passed to Scottish Nuclear and were later privatised as part of British Energy.

Companies[edit]

Regional electricity companies in England and Wales
REC map.png Key to Diagram
  1. East Midlands Electricity
  2. Eastern Electricity
  3. London Electricity
  4. MANWEB
  5. Midlands Electricity
  6. North Eastern Electricity Board
  7. NORWEB
  8. SEEBOARD
  9. South Wales Electricity
  10. South Western Electricity
  11. Southern Electric
  12. Yorkshire Electricity

Scottish Power[edit]

The South of Scotland Electricity Board became Scottish Power plc. In 2007 it was acquired by the Spanish energy utility Iberdrola, although it continues to use Scottish Power branding on domestic sales of gas and electricity.

Scottish Hydro-Electric[edit]

The North of Scotland Hydro Board became Scottish Hydro-Electric plc, then merged with Southern Electric to become Scottish & Southern. The company markets outside its traditional areas under SSE branding.

East Midlands Electricity[edit]

Formerly the East Midlands Electricity Board. Acquired by Powergen in 1998. Rebranded with MEB as Central Networks in April 2004. The successor retail supply business is now part of E.On.

Eastern Electricity[edit]

Acquired by Hanson plc in 1995. Demerged from Hanson as part of The Energy Group plc, which was later sold to the US firm Texas Utilities and became TXU Energi, part of TXU Europe. In 2002 it was sold to Powergen, which was subsequently acquired by the German utility company E.On, and the operations were rebranded in 2004. The distribution business was owned by EDF. Now owned by UK Power Networks along with London Electricity & SEEBOARD.

London Electricity[edit]

Formerly the London Electricity Board. Acquired by US based Entergy in 1996 for £1.3bn ($2.1bn). Acquired by EDF International in 1998, which merged it with SEEBOARD and Eastern Electricity to form EDF Energy. Now owned by UK Power Networks.

MANWEB[edit]

Formerly the Merseyside and North Wales Electricity Board. Manweb plc was acquired by Scottish Power in 1995. In 2007 it was acquired by the Spanish energy utility Iberdrola, although it uses Scottish Power branding on domestic sales of gas and electricity.

Midlands Electricity[edit]

Formerly the Midlands Electricity Board, subject of a takeover bid by Powergen in 1996 but this was blocked until January 2004. In April 2004 MEB and East Midlands Electricity rebranded as Central Networks for distribution, and the domestic supply business now uses the name of its German parent E.On. The supplier side of the former MEB business is npower UK.

Northern Electric[edit]

Formerly the North Eastern Electricity Board. The electricity distribution business is operated by CE Electric UK, a subsidiary of MidAmerican Energy Holdings Company. The successor company to the retail supply business is npower UK.

NORWEB[edit]

Formerly the North Western Electricity Board. Merged with Northwest Water in 1995 to form United Utilities, the electricity businesses of which were subsequently sold, with the retail supply arm of Norweb becoming part of TXU Energi, now part of E.On and the distribution network becoming Electricity North West.

SEEBOARD[edit]

Formerly the South Eastern Electricity Board. Owned by UK Power Networks along with Eastern Electricity and London Electricity. It markets to the public as part of Cheung Kong Infrastructure (CKI).

South Wales Electricity[edit]

Formerly the South Wales Electricity Board, later known as SWALEC. Later acquired by Scottish & Southern Energy plc, with the distribution business now part of Western Power Distribution

South Western Electricity[edit]

Formerly the South Western Electricity Board, it was acquired by London Electricity (owned by EDF) in 1999. The distribution business is part of Western Power Distribution and the retail business is part of EDF Energy.

Southern Electric[edit]

Formerly the Southern Electricity Board, merged in 1998 with Scottish Hydro-Electric plc to form Scottish & Southern Energy plc. The company markets outside its traditional areas under SSE branding.

Yorkshire Electricity[edit]

Formerly Yorkshire Electricity Board. Sold to Innogy (now npower) in 2001, and to the German utility RWE the following year. Now RWE npower, but most domestic marketing is under the npower brand.

See also[edit]

External links[edit]