Constellation Generation Ltd.

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Constellation Generation Ltd. may sell electricity to both households and businesses, and moves wholesale gas through the national pipeline system for onward sale to suppliers. It appeared on the Ofgem licensee register dated 10 August 2026 holding 2 licences.

Registered name (Ofgem register)CONSTELLATION GENERATION LTD.
Registered name (Companies House)CONSTELLATION GENERATION LIMITED
Company number09198137
Company statusActive
Incorporated on1 September 2014
Company typePrivate limited company
Registered officeSuite 1, 7th Floor 50 Broadway, London, United Kingdom, SW1H 0BL
Nature of business (SIC)35140 – Trade of electricity
35230 – Trade of gas through mains
70229 – Management consultancy activities other than financial management
Previous namesEXELON GENERATION LIMITED (until 14 Jan 2022)

Licences held

MarketLicence type
ElectricityElectricity Suppliers (Domestic and Non-Domestic)
GasGas Shipper Licensees

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