Ofgem, the UK's energy regulator, has issued guidance on the adjusted Guaranteed Standards of Performance (GSOP) payment amounts for electricity distribution network operators for the 2026-2027 regulatory year. These adjustments are calculated by applying the percentage change in the Consumer Prices Index including owner occupiers’ housing costs (CPIH) for January to the existing payment values. The guidance specifies that these updated payment amounts must be implemented by April 1, 2026, reflecting an annual adjustment for inflation.

Electricity distribution network operators must ensure their systems and processes are updated to reflect these new GSOP payment amounts by April 1, 2026. Failure to meet the specified standards of performance can result in payments to customers or relevant authorities, with the adjusted amounts now in effect for the upcoming regulatory year. Compliance with these updated payment obligations is mandatory.