Energy Performance Certificates: Batteries
(asked on 8th June 2026) - View Source
Question to the Department for Energy Security & Net Zero:
To ask the Secretary of State for Energy Security and Net Zero, what assessment he has made of the potential merits of enabling stand alone batteries (without solar PV) to contribute towards a properties EPC rating.
Answered by
Martin McCluskey
Parliamentary Under Secretary of State (Department for Energy Security and Net Zero)
In the Home Energy Model (HEM): Energy Performance Certificate (EPC) consultation, we proposed how technologies including batteries could contribute to future EPC ratings.
The introduction of HEM will enable a half hour resolution that can more accurately estimate the impact of batteries on a home’s energy performance.
We are currently reviewing the consultation responses, including on the weighting of the different technologies in the EPC metrics. We will publish a Government Response by the end of the year.