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Energy: Prices

Asked by Sarah OlneyLiberal DemocratDepartment for Energy Security and Net ZeroTabled Answered 27 February 2026UIN 113278

The question

To ask the Secretary of State for Energy Security and Net Zero, whether he has made an estimate of the average cost difference between smart meter and flatline bills.

Answered by Martin McCluskey

Smart meters help households to manage their energy use and reduce bills by enabling suppliers to bill them for their actual, rather than estimated, energy use.

Households with additional low carbon technology can also save on their energy bills by switching to tariffs that are enabled by smart meters with rates designed to incentivise flexible energy use. For example, an EV driver could potentially save £330 annually by smart charging overnight.

Households with heat pumps could also save over £250 annually by shifting to a smart tariff and using their heat pump flexibly to pre-heat their homes during cheaper periods.

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