Feed in Tariffs: Changes to Inflation Indexation

Closes 12 Dec 2025

Opened 31 Oct 2025

Overview

The UK government is proposing changing the inflation indexation calculation for the Renewable Obligation (RO) and Feed-in Tariffs (FiT) schemes, from the Retail Price Index (RPI) to the Consumer Price Index (CPI):

  • For the Renewable Obligation (RO) scheme, the inflation indexation calculation for the buy-out price would be changed by Ofgem from RPI to CPI
  • For the Feed-in Tariffs (FiT) scheme, the annual tariff adjustment calculation would be changed from RPI to CPI

Read the FiT consultation document on GOV.UK. 

Respond separately to the RO consultation on GOV.UK.

 

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Audiences

  • Low carbon technologies

Interests

  • Renewable energy