About the ECO tool

We’ve developed this tool because we needed it to administer the Energy Company Obligation (ECO).

While we designed it to assist our administration, we’ve also made it publicly available to help others, such as energy companies, the wider supply chain and consumers.

What can the tool do?

We will use this tool to validate whether a CERO Rural measure is in an eligible CERO Rural area. We do not require suppliers, or their supply chain, to use this tool.

You can use this tool to:

For help using the tool, download our ECO tool Help Guide


You can find further information about the CERO Rural requirements under ECO at our webpage Energy Company Obligation.

Need Help?

For system support queries on this site please Report an Issue

For further guidance or for queries on scheme administration, please see our webpage Energy Company Obligation. Alternatively, contact us at eco@ofgem.gov.uk.

For details on the extension of the ECO scheme, see the Government's ECO2t consultation response: Help to Heat Consultation. For queries on legislation and the policy behind ECO please contact beisecoteam@beis.gov.uk.

Energy Suppliers

Energy suppliers obligated under ECO have the option to download a copy of the postcode database for integration with their own systems. This area is password protected, and the account details have been distributed to the energy suppliers.

Download postcode database

For copyright and disclaimer information please see: Copyright and Disclaimer
This site uses a session cookie which holds no information about the user and is deleted by the browser when the session ends. By continuing to use the site you are agreeing to these terms. Close