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National Grid Transco - National Grid plc
On 10th October 2005, unified the majority of operating businesses under the National Grid name. Transco plc became National Grid Gas plc.
On 27th July 2005 National Grid Transco plc changed its name to National Grid plc. National Grid Company plc changed its name to National Grid Electricity Transmission plc.
1 June2005 - Sale of four gas distribution networks in Scotland, the North East, Wales & West and the South of England
31 August 2004 - Acquisition of Crown Castle UK completed
28 June 2004 - Acquisition of Crown Castle UK announced
21 October 2002 - Lattice Group plc merged with National Grid to form National Grid Transco plc - the UK's largest utility
British Gas Corporation - Lattice Group
In 1986, British Gas was privatised. Seven years later, after a Monopolies and Mergers Commission report the company was re-structured into five business divisions. In 1997, the company was demerged into two separate companies - BG plc and Centrica. Transco became part of BG plc and in December 1999 Transco became a plc - BG Transco plc.
In October 2000 a demerger from BG plc resulted in Transco becoming a part of the Lattice Group plc. Two years on, Lattice Group plc merged with National Grid to form National Grid Transco plc - the UK's largest utility.
On 27th July 2005 National Grid Transco plc changed its name to National Grid plc.
On 10th October 2005, Transco plc changed its name to National Grid Gas plc.
National Grid Group
September 2000 - Acquisition of Niagara Mohawk announced this was completed in January 2002
9 December 1997 - Energis demerged from National Grid.
11 December 1995 - The Regional Electricity Companies, who were the main shareholders in National Grid, floated the company on the stock exchange.
On 31 March 1990, the electricity industry was restructured and then privatised under the terms of the Electricity Act 1989. The National Grid Company plc assumed ownership and control of the transmission system and joint ownership of the interconnectors with Scotland and France, together with the two pumped storage stations in North Wales, but these stations were subsequently sold off.
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