page_title: List of pre-nationalisation UK electric power companies
section_title: Private companies
hierarchical_section_title: List of pre-nationalisation UK electric power companies / List of companies / Companies merged into Eastern Electricity Board (EEB) / Private companies
caption_attribution_description: English: North Metropolitan Electric Power Supply Company building in Wood Green, London
context_page_description: The electrical power industry in the United Kingdom was nationalised by the Electricity Act 1947, when over six hundred electric power companies were merged into twelve area boards.
context_section_description: Aldeburgh Electric Supply Company
  Bedfordshire, Cambridgeshire and Huntingdonshire Electricity Company
  Brentwood District Electric Company
  Bungay Gas and Electricity Co Ltd (formed 1926)
  Cambridge Electric Supply Company
  Chesham Electric Light and Power Company
  Colne Valley Electric Supply Company
  East Anglian Electric Supply Company (incorporating Bury St Edmunds Corporation)
  East Suffolk Electricity Distribution Company
  Frinton-on-Sea & District Electric Light and Power Company
  Letchworth Electricity Limited
  Newmarket Electric Light Company
  North Metropolitan Electric Power Supply Company ("Northmet") - based in Wood Green, N22
  Northwood Electric Light and Power Company
  Welwyn Garden City Electricity Supply Company
  Wickford and District Electricity Supply Company
  Wisbech Electric Light and Power Company
caption: The Northmet Power and Light building in Wood Green, north London
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