questionText: To ask the Secretary of State for Energy Security and Net Zero, what estimate his Department has made of the level of suspected fraud on the Energy Company Obligation since 2022.
answerText: The NAO reports that DESNZ and Ofgem have lacked data to estimate fraud levels. However, an independent reporting in May 2025 found weaknesses in the design, operation and oversight of ECO4 that expose it to fraud. The Department contracted public and pri...
heading: Energy Company Obligation: Fraud