Energy Company Obligation (ECO)

This page includes all the key documents and information on the ECO4 scheme as well as contacts for further information if you can’t find it here.

Contacts, guidance and resources

Complaints

If you have a complaint about your installation, please see the complaints process page. 

Contacts

To contact an obligated supplier, please see our obligated supplier contact details page.

For questions related to supplier compliance, contact ecogbis_compliancequeries@ofgem.gov.uk.  

To report fraud, contact counterfraud@ofgem.gov.uk.

For questions related to new measures and products, including innovation measures, contact nmap@ofgem.gov.uk.  

For questions related to LA flex compliance, or declarations, notifications, and statements of intent, contact laflex@ofgem.gov.uk.

For questions related to the LA Flex Digital Service Platform, contact laflex.enquiry@ofgem.gov.uk.

For all other questions, contact eco@ofgem.gov.uk.

Please direct feedback related to scheme design to the Department of Energy Security and Net Zero at ecoteam@energysecurity.gov.uk.  

Guidance documents for installers and other members of the supply chain

See key guidance relating to the Energy Company Obligation (ECO) scheme administered by Ofgem.

ECO4 forums and working groups 

Find out about the work of the Energy Company Obligation (ECO) stakeholder forums run by Ofgem.

ECO public reports and data 

To see how energy suppliers are progressing towards reaching their targets for this obligation, and the number and types of measures installed, you can visit this dedicated page to view the published monthly reports. 

Counter fraud

We take allegations of fraud seriously. To find out how to report suspected fraud, and our role in preventing it, please see our section on counter fraud.