London and Home Counties Joint Electricity Authority – established in 1925. Upon nationalisation its assets were split between the South Eastern Electricity Board, the Eastern Electricity Board and the London Electricity Board.
Private companies
Brompton and Kensington Electricity Supply Company – formed January 1889 as the House to House Electric Supply Company, changed its name August 1890, generating station at Richmond Road Brompton,[1] part of the London Power Company[2]
Central Electric Supply Company, part of the London Power Company, wound up on 25 October 1932[2]
Chelsea Electricity Supply Company – formed 1886; generating station at Draycott Place / Cadogan Gardens and Flood Street; took over the Cadogan Electric Lighting Company (formed in March 1887 with a capital of £30,000, generating station at Manor Street near the Albert Bridge, went into liquidation in February 1891), Cadogan Company taken over by the New Cadogan and Belgravia Electric Supply Company (registered 30 June 1890), the latter company changed its name to St Luke's Chelsea Electric Lighting Company on 6 July 1892, in December 1892 the St Luke's Company purchased the assets of the Cadogan Company for £4,250 in cash and £4,500 in shares, assets transferred to the Chelsea Electric Supply Company for £10,250 on 5 April 1893,[3] part of the London Power Company,[2] taken over by Charing Cross Co 1937
Chislehurst Electric Supply Company
City of London Electric Lighting Company – formed July 1891 from the Pioneer company, generating stations at Bankside and Wool Quay[1] Member of the No. 1 group of undertakings.
County of London Electric Supply Company – formed June 1891 with a capital of £100,000, generating stations at City Road Basin Regent's Canal, and Wandsworth; renamed the County of London and Brush Provincial Electric Lighting Company in 1894[4] Member of the No. 1 group of undertakings.
Foots Cray Electricity Supply Company
Hampstead Electric Supply Company Ltd (records from 1898)[a][b]
Kensington and Knightsbridge Electric Lighting Company – formed March 1888 with a capital of £250,000, took over the Kensington Court Electric Light Company (itself formed 1886 with capital of £10,000), generating stations at High Street Kensington and Cheval Place, Wood Lane Shepherds Bush (joint enterprise with Notting Hill Electric Lighting Company),[1] part of the London Power Company[2]
London Electric Supply Corporation (LESCo) – formed in 1887 out of Grosvenor Gallery Electric Supply Corporation, London's first commercial electric power supplier, part of the London Power Company
Metropolitan Electric Supply Company – formed as South Metropolitan Electric Supply Company in November 1887 with capital of £250,000, 'South' dropped from title in July 1888, generating stations at Whitehall Court, Rathbone Place, Sardinia Street, Manchester Square, Amberley Road, Acton Lane Willesden,[1] part of the London Power Company January 1927[2]
Notting Hill Electric Lighting Company – formed February 1888 with a capital of £100,000, generating station at Bulmer Place and Wood Lane Shepherds Bush (joint venture with Kensington and Knightsbridge Electric Lighting Company),[1] part of the London Power Company[2]
St James' and Pall Mall Electric Lighting Company – formed March 1888, began supplies April 1889 from a generating station in Mason's Yard Duke Street, this later converted to a sub-station for bulk supplies from Grove Road,[1] part of the London Power Company[2]
South London Electric Supply Corporation – formed in December 1896 with a capital of £325,000, to supply the Borough of Lambeth. A generating station was built at Loughborough Junction, decommissioned in 1929 after which the Corporation took bulk supplies from other members of the No.1 group.
South Metropolitan Electric Light and Power Company – established in 1904 upon the amalgamation of the Crystal Palace District Electric Supply Company and the Blackheath and Greenwich District Electric Light Company. Built Blackwall Point power station. Member of the No. 1 group of undertakings.
Westminster Electric Supply Corporation – formed June 1888 with a capital of £100,000, generating stations at Dacre Street Victoria, St John's Wharf Millbank, Eccleston Place and Davies Street, took over supply of Westminster Electrical Syndicate,[1] part of the London Power Company[2]
Companies merged into Merseyside & North Wales Electricity Board (MANWEB)
The following companies had interests in multiple and non-contiguous locations.
British Power & Light Corporation Limited[5] – founded 1929 acquired a controlling interest in undertakings in North Wales; East Suffolk; South Somerset; Trent Valley; West Hampshire; and Ringwood[6]
Christy Brothers and Company Limited[5] – founded 1883 as electrical contractors, applied for or acquired electricity undertakings: Crediton, Holsworthy, Aldeburgh, Pateley Bridge, Portishead, Mid-Somerset, North Somerset, West Devon, Street.[7]
Edmundsons Electricity Corporation Limited – founded in 1897 built generating stations and electricity supply systems (electricity undertakings) in Folkestone; Winchester; Salisbury; Ventnor; and Shrewsbury; and acquired further electricity company franchises
^ abNot listed in the Electricity (Allocation of Undertakings to Area Boards) Order 1948, presumably had ceased before this date.
^The Hampstead vestry (predecessor to the borough council) established an electricity supply business in 1894, and this company may have been acquired by them, or never have become active.
^Only the electricity supply business was transferred, the SHMD board continued to operate public transport services.
^Musselburgh and District's trams were taken over by Edinburgh Corporation in 1928, although the company's name was not changed to reflect this.
