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UK Rego auction sells 84pc on offer, reopening 8 Jun

  • Märkte: Electricity
  • 05.06.26

Around 84pc of UK renewable guarantees of origin (Regos) from compliance periods 24 (CP24) and 25 (CP25) traded on the E-power exchange over the past two days, with the auction set to continue next week.

The auction opened on Thursday and continued on Friday, with 150GWh of CP24 Regos left unsold and expected to be offered on 8 June, when the sale reopens.

Around 760GWh of CP24 Regos — which covers April 2025-March 2026 — have sold so far out of 910GWh on offer. Biomass comprised the majority of offered volumes at 334GWh, followed by offshore and onshore wind at 234GWh and 166GWh, respectively.

Prices were between the auction reserve of £0.02/MWh and £0.10/MWh, with offshore wind realising the highest price. These were both above and below Argus' assessments for CP24 non-biomass and biomass Regos of £0.05/MWh and £0.04/MWh, respectively, on 4 June.

There was also a small lot of 5.6GWh from CP25 generation — spanning April 2026-March 2027 — on offer on Thursday, which cleared almost immediately. Onshore wind Regos accounted for the largest share at 2.7GWh, which cleared at the highest weighted-average price of £0.28/MWh, while 407MWh of solar Regos cleared at an average of £0.26/MWh. Biomass and biogases accounted for the rest and traded at the reserve price of £0.20/MWh. These were significantly below Argus' assessments of £0.59/MWh and £0.39/MWh for non-biomass and biomass CP25 Regos, respectively, on 4 June.

The share of certificates sold in E-power's auctions has steadily increased this year, rising from 21pc in February to about 60pc in April.

This month's auction is the last one to offer CP24 Regos before the UK fuel mix disclosure deadline on 1 July.


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