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Index updates

New forward & prompt green cost of production hydrogen price indexes launched

24 forward & prompt cost of production prices for green hydrogen technologies across European locations.
September 23, 2025
Index updates

We’re excited to announce the launch of 24 forward & prompt cost of production prices for green hydrogen technologies across European locations – Austria, France, Germany, Italy, Netherlands and Spain.

The new benchmarks – with and without CAPEX cost - are calculated using proprietary production cost-based models based on actual energy feedstocks supplied to the respective technologies and backed by our Guarantees of Origin (GO) price indexes that are integrated into the calculation process - allowing for market participants to foresee which regions in Europe will be able to produce hydrogen at lower cost, setting up key precursors for determining potential future trade flows.

Green Hydrogen Benchmarks | General Index
Green PEM Electrolysis Hydrogen Methodology | General Index

Published daily, the new indexes are a collaborative project between General Index and renowned hydrogen expert, Rommel Oates (Refinery Calc, Summit Midstream Partners LP, Suburban Propane). The expansion of this partnership brings the total number of GX hydrogen prices available to 90+ across technologies including:

Blue hydrogen

The model utilizes a modified version of the grey hydrogen methodology, coupled with distinct, best-in-class carbon capture technologies specific to each region.

PEM Electrolysis hydrogen

Base models track, measure and analyze industry-leading Proton Exchange Membrane (PEM) and Alkaline technologies to produce hydrogen production costs based on renewable energy prices in the relevant regions.

Grey hydrogen

Based on best-in-class Steam Methane Reforming (SMR) as the base technology with practical assumptions for the utilization of the steam.

“We’re excited to launch our new green hydrogen cost of production benchmarks, expanding our existing suite of hydrogen prices. Leveraging our expertise in energy transition price benchmarking alongside Rommel’s deep experience in the industry, we’re thrilled to be able to help market participants in their forecasting, investment and policy decision-making processes.” - David Elward, Pricing Director, Energy Transition

General Index Hydrogen Price Data