Platts discontinues third season ahead UK clean spark spreads with Carbon Price Support (CPS) Oct. 1

Platts, part of S&P Global Energy, has discontinued its third season ahead UK clean spark spread assessments that include the Carbon Price Support (CPS) effective Oct. 1, 2026.

This discontinuation of the third season ahead spreads aligns with the period starting April 2028, which is when the CPS will be removed by the government. More information around the government's announced changes can be found here.

Platts announced its decision to discontinue these assessments in a subscriber note published on Aug. 5, 2026, available here.

Platts will continue to publish third season ahead UK clean spark spread assessments, which exclude the CPS. The full suite of assessments can be found here.

The following symbols have been discontinued:

Symbol	Symbol Description
CEGS300	UK Cln Spk Sprd (Carbon Price Support) 3 SA 50% Eur/MWh
CEHS300	UK Cln Spk Sprd (Carbon Price Support) 3 SA 45% Eur/MWh
CKGS300	UK Cln Spk Sprd (Carbon Price Support) 3 SA 50% GBP/MWh
CKHS300	UK Cln Spk Sprd (Carbon Price Support) 3 SA 45% GBP/MWh
UKSDI00	UK SA+2 Base Cln Spk Sprd (Carbon Price Support) 60% GBP/MWh
UKSDP00	UK SA+2 Base Cln Spk Sprd (Carbon Price Support) 60% Eur/MWh
UKSEM00	UK SA+2 Peak Cln Spk Sprd (Carbon Price Support) 45% GBP/MWh
UKSEN00	UK SA+2 Peak Cln Spk Sprd (Carbon Price Support) 50% GBP/MWh
UKSEO00	UK SA+2 Peak Cln Spk Sprd (Carbon Price Support) 60% GBP/MWh
UKSFN00	UK SA+2 Peak Cln Spk Sprd (Carbon Price Support) 45% Eur/MWh
UKSFO00	UK SA+2 Peak Cln Spk Sprd (Carbon Price Support) 50% Eur/MWh
UKSFP00	UK SA+2 Peak Cln Spk Sprd (Carbon Price Support) 60% Eur/MWh

These assessments are published in European Power Daily and appear on fixed pages: PEP0645, PGN0812, PEP0660, PGN0813, PEP0693, and PEP0694.

Please direct any comments or questions to powerpricing@spglobal.com and pricegroup@spglobal.com.

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