Heat Batteries: Energy Supply
Commons · Question 45358 · Tabled 8 Apr 2025 · Department for Energy Security and Net Zero · Official record
Answered 28 Apr 2025
Question
Asked by Margaret Mullane
To ask the Secretary of State for Energy Security and Net Zero, what assessment his Department has made of the potential contribution of heat batteries to balancing grid demand during peak energy usage periods.
Answer
Answered by Miatta Fahnbulleh, 28 Apr 2025
Heat batteries are a promising low-carbon heating technology because they utilise time-of-use tariffs and do not require outside space. However, they are less efficient than heat pumps and therefore use more energy to meet the same heating demand. Althoug...