Written Question·Department for Energy Security and Net Zero·UIN 45358
Heat Batteries: Energy Supply
Tabled: 8 April 2025
Answered: 28 April 2025
Question
Margaret Mullane
Labour — Dagenham and Rainham
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
Miatta FahnbullehHeat 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...
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