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Energy Company Obligation: Cost Effectiveness

Question for Department for Energy Security and Net Zero

UIN 53144, tabled on 19 May 2025

To ask the Secretary of State for Energy Security and Net Zero, what assessment his Department has made of the value for money of the Energy Company Obligation scheme.

Answered on

28 May 2025

The Energy Company Obligation (ECO) requires energy suppliers to fund energy efficiency and heating upgrades in eligible homes, with costs recovered through consumer bills. Since 2013, 4.2 million measures have been installed in 2.5 million homes. ECO4’s final impact assessment projected a positive net present value of £0.8 billion, underscoring the strong social impact and economic value of ECO.