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Solar Power: Feed-in Tariffs

Asked by Mr Will ForsterLiberal DemocratDepartment for Energy Security and Net ZeroTabled Answered 10 December 2025UIN 96432

The question

To ask the Secretary of State for Energy Security and Net Zero, for what reason the consultation on changes to Feed in Tariffs offers two ways of calculating payments for the generation of solar power at home and selling spare electricity back to the grid.

Answered by Michael Shanks

The consultation sets out two possible approaches for adjusting Feed-in Tariffs (FIT) to transition from the Retail Prices Index (RPI) to the Consumer Prices Index (CPI). These options are an immediate switch to CPI indexation or a temporary freeze of indexation with a gradual realignment to CPI. The RPI is now widely considered to be an outdated and unsuitable measure of general inflation in the UK. The Government believes it is right to review and potentially change inflation indexation on the FIT scheme, in order to reduce energy bill costs as soon as possible.

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