Offtaker of Last Resort (OLR): mandatory licensed suppliers
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List of mandatory licensed suppliers for Offtaker of Last Resort (OLR) year 12 and year 11.
Mandatory Licensed Suppliers OLR year 12
Below is a list of mandatory licensed suppliers in respect of the OLR year 12 running from 1 April 2026 to 31 March 2027.
British Gas Trading Ltd
Telephone number: 0175 349 4000
Email: offtakeroflastresort@centrica.com
Website: https://www.britishgas.co.uk/
EDF Energy Customers Ltd
Telephone number: 0208935 2724 and 020 8935 2580
Email: export@edfenergy.com
Website: https://www.edfenergy.com/wholesale-market-services/sell-energy/power-purchase-agreements
E.ON Next Energy Limited
Telephone: 0247 619 2000
Email address: regsandpolicy@eon-uk.com
Website: https://www.eonnext.com/
Npower Commercial Gas Limited
Telephone: 0800 669 6443
Email address: ExportPricinginbox@npower.com
Website: https://npowerbusinesssolutions.com/
Octopus Energy Limited
Telephone: 0203 389 5613
Email address: ppa@octoenergy.com
Website: https://octopus.energy/
Mandatory Licensed Suppliers OLR year 11
Below is a list of mandatory licensed suppliers in respect of the OLR year 11 running from 1 April 2025 to 31 March 2026.
British Gas Trading Ltd
Telephone: 0175 349 4000
Email address: offtakeroflastresort@centrica.com
Website: https://www.britishgas.co.uk/
EDF Energy Customers Plc
Telephone: 020 8935 2724 and 020 8935 2580
Email address: export@edfenergy.com
Website: https://www.edfenergy.com/wholesale-market-services/sell-energy/power-purchase-agreements
E.ON Next Energy Limited
Telephone: 0247 619 2000
Email address: regsandpolicy@eon-uk.com
Website: https://www.eonnext.com/
Npower Commercial Gas Limited
Telephone: 0800 669 6443
Email address: ExportPricinginbox@npower.com
Website: https://npowerbusinesssolutions.com/
Octopus Energy Limited
Telephone: 0203 389 5613
Email address: ppa@octoenergy.com
Website: https://octopus.energy/
Drax Energy Solutions
Email address: compliance@drax.com
Website: https://energy.drax.com/