Environmental and social scheme contacts
Green Gas Support Scheme and Green Gas Levy
Green Gas Support Scheme Email: GGSS.Enquiry@Ofgem.gov.uk
Green Gas Levy Email: GGL.Enquiry@Ofgem.gov.uk
Phone: 0300 303 5997
Online scheme information: Green Gas Support Scheme and Green Gas Levy
Telephone opening hours
Monday: 09:30 – 16:30
Tuesday: 09:30 – 16:30
Wednesday: 09:30 – 12:30, no afternoon service
Thursday: 09:30 – 16:30
Friday: 09:30 – 16:00
Scheme registers
To access the registers for the above schemes, see Log in to our registers.
If you have issues accessing the registers, please contact us through the details above.
Renewable heat schemes
Domestic Renewable Heat Incentive
Email: DomesticRHI@ofgem.gov.uk
Online scheme information: Domestic RHI
Phone: 0300 003 0744
Non-Domestic Renewable Heat Incentive
Email: rhi.enquiry@ofgem.gov.uk
Online scheme information: Non-Domestic RHI
Phone: 0300 003 2289
Telephone opening hours
Monday: 09:30 – 16:30
Tuesday: 09:30 – 16:30
Wednesday: 09:30 – 12:30, no afternoon service
Thursday: 09:30 – 16:30
Friday: 09:30 – 16:00
Scheme registers
To access the registers for the above schemes, see Log in to our registers.
If you have issues accessing the registers, please contact us through the details above.
Renewable electricity schemes
Renewables Obligation
Email: Renewable.Enquiry@Ofgem.gov.uk
Tel: 020 7901 7310 (option 2)
Online scheme information: Renewables Obligation
Fuelling and sustainability and the Renewables Obligation
Email: Renewable.Enquiry@Ofgem.gov.uk
Tel: 020 7901 7310 (option 2)
Online scheme information: Fuelling and sustainability under the RO
Feed-in Tariff
Email: Renewable.Enquiry@Ofgem.gov.uk
Tel: 020 7901 7310 (option 1)
Online scheme information: Feed-In Tariff
Smart Export Guarantee
Email: Renewable.Enquiry@Ofgem.gov.uk
Tel: 020 7901 7310 (option 1)
Online scheme information: Smart Export Guarantee (SEG)
Renewable Energy Guarantees of Origin
Email: Renewable.Enquiry@Ofgem.gov.uk
Tel: 020 7901 7310 (option 3)
Online scheme information: Renewable Energy Guarantees of Origin
Telephone opening hours
Monday: 09:30 – 16:30
Tuesday: 09:30 – 16:30
Wednesday: 09:30 – 12:30, no afternoon service
Thursday: 09:30 – 16:30
Friday: 09:30 – 16:00
Scheme registers
To access the Renewable Electricity Register for the above schemes, see Log in to our registers.
If you have issues accessing the registers, please contact us through the details above.
Energy efficiency and social schemes
Energy Company Obligation
- Email: eco@ofgem.gov.uk
- Obligated supplier contact details
- Online scheme information: Energy Company Obligation (ECO)
Warm Home Discount
Questions on the scheme as a whole, and specifically on the 'Core Group', should be directed to the Department of Energy Security and Net Zero.
- Warm Home Discount tel: 0800 107 8002 (Monday to Friday, 8am to 6pm)
- Online scheme information: Heating and housing benefits guidance on GOV.UK (opens another website)
Questions on how the 'Broader Group' and 'Industry Initiative' elements operate can be directed to:
- Email: WHD@ofgem.gov.uk
Online scheme information: Warm Home Discount (WHD)
Boiler Upgrade Scheme
Email address: BUS.Enquiry@ofgem.gov.uk
Phone: 0330 053 2006
Telephone opening hours
Monday: 09:30 – 16:30
Tuesday: 09:30 – 16:30
Wednesday: 09:30 – 12:30, no afternoon service
Thursday: 09:30 – 16:30
Friday: 09:30 – 16:00
Online scheme information: Boiler Upgrade Scheme
Energy scams
Scammers could contact you pretending to be from Ofgem. We will never sell you energy, ask for personal information, your personal bank details, or come to your property.
If you suspect you have been contacted by someone pretending to be from Ofgem reject, refuse or ignore the contact and tell us by email consumeraffairs@ofgem.gov.uk or by calling 020 7901 7295.
Counter fraud
We take allegations of fraud very seriously. To find out how to report suspected fraud within a government environmental or social programme, or to learn more about our role in preventing fraud, please see our section on counter fraud.