Written Question·Department for Energy Security and Net Zero·UIN 116585
Energy: Conservation
Tabled: 27 February 2026
Answered: 9 March 2026
Question
Mr Richard Holden
Conservative — Basildon and Billericay
To ask the Secretary of State for Energy Security and Net Zero, whether his Department has considered reinstating voltage optimisation technologies in the Energy Saving Materials framework.
Answer
Martin McCluskeyDESNZ has not considered reinstating voltage optimisation technologies in the Energy Saving Materials framework due to limitations in the performance of the technology. Voltage optimisers work by reducing the voltage to close to the lower permitted limit ...
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