Energy Transition, Hydrogen

October 16, 2025

Platts updates US REC inputs in implied h-OCs, CN Hydrogen assessments

Platts, part of S&P Global Commodity Insights, has updated the US Renewable Energy Certificate, or REC, assessments utilized in the calculation of its Implied Hydrogen Origin Certificate, or h-OC, and Carbon Neutral Hydrogen, or CNH, assessments for California and the US Gulf Coast, effective Oct. 16, following the discontinuation of several US REC assessments.

While the discontinuation is effective Oct. 16, it will be reflected in the US h-OC and CNH assessments from Oct. 17.

Information on the discontinuation of several US REC assessments can be found here.

The impacted implied h-OC and CN Hydrogen symbols are:

SymbolAssessment

HYIHB00

Implied Hydrogen Origin Certificate California $/MWh

HYIHB03

Implied Hydrogen Origin Certificate California $/MWh MAvg

HYIMB00

Implied Hydrogen Origin Certificate California $/kg

HYIMB03

Implied Hydrogen Origin Certificate California $/kg MAvg

HYIHC00

Implied Hydrogen Origin Certificate USGC $/MWh

HYIHC03

Implied Hydrogen Origin Certificate USGC $/MWh MAvg

HYIMC00

Implied Hydrogen Origin Certificate USGC $/kg

HYIMC03

Implied Hydrogen Origin Certificate USGC $/kg MAvg

HYCAB00

Carbon Neutral Hydrogen Ex Works California $/MMBtu

HYCAB03

Carbon Neutral Hydrogen Ex Works California $/MMBtu MAvg

HYCAA00

Carbon Neutral Hydrogen Ex Works California $/kg

HYCAA03

Carbon Neutral Hydrogen Ex Works California $/kg MAvg

HYUSB00

Carbon Neutral Hydrogen Ex Works US Gulf Coast $/MMBtu

HYUSB03

Carbon Neutral Hydrogen Ex Works US Gulf Coast $/MMBtu MAvg

HYUSA00

Carbon Neutral Hydrogen Ex Works US Gulf Coast $/kg

HYUSA03

Carbon Neutral Hydrogen Ex Works US Gulf Coast $/kg MAvg

Please address any questions or comments to hydrogenassessments@spglobal.com and pricegroup@spglobal.com.

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