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Energy Company Obligation

Asked by Steff AquaroneLiberal DemocratDepartment for Energy Security and Net ZeroTabled Answered 9 February 2026UIN 110570

The question

To ask the Secretary of State for Energy Security and Net Zero, by what route installers can access funding under the extended ECO4 scheme.

Answered by Martin McCluskey

Installers participate in the Energy Company Obligation (ECO4) and access funding only by delivering measures on behalf of obligated energy suppliers. ECO4 is not government‑funded, rather suppliers pay for installations and recover costs through their customers’ bills. To work under ECO4, installers must be TrustMark‑registered and comply with relevant standards for installing energy efficiency measures. Suppliers decide with which installers they contract.

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