Updated guidance on treatment of price indexation in future default tariff cap proposals

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This letter provides guidance regarding the way in which Ofgem is expecting to account for prices observed for cap period nine (October 2022 – March 2023) and guidance for suppliers to support them in making prudent risk management decisions.

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[Updated guidance on treatment of price indexation in future default tariff cap proposals [PDF, 101.15KB]

](https://www.ofgem.gov.uk/sites/default/files/2022-03/Updated%20guidance%20on%20treatment%20of%20price%20indexation%20in%20future%20cap%20proposals1647277779834.pdf)

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