Renewables Obligation scheme: Changes to Inflation Indexation

Closes 28 Nov 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 RO consultation document on GOV.UK. 

Respond separately to the FiT consultation on GOV.UK.

Give us your views

Audiences

  • Low carbon technologies

Interests

  • Renewable energy