Written Question·Department for Energy Security and Net Zero·UIN 87497
Energy Company Obligation: Wales
Tabled: 3 November 2025
Answered: 11 November 2025
Named DayQuestion
Llinos Medi
Plaid Cymru — Ynys Môn
To ask the Secretary of State for Energy Security and Net Zero, with reference to the National Audit Office Report entitled Energy efficiency installations under the Energy Company Obligation, published on 14 October 2025, how many homes in Wales have had
Answer
Martin McCluskeyThe Government commissioned an independent statistical audit in April 2025. Two random samples of audits of external (EWI) and internal wall installations (IWI), across the household populations of both schemes were commissioned to understand non‑complian...
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