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Green hydrogen

Recent developments with the Danish-German hydrogen backbone

One of the central pillars of Denmark’s emerging hydrogen market is the planned hydrogen pipeline connecting Denmark and Germany. In recent years, regulation, political agreements and funding mechanisms have moved the project closer to realisation.

Photo credit: Port of Esbjerg

Denmark currently has approximately 110 MW of installed electrolysis capacity, with major projects including Everfuel’s HySynergy and European Energy’s Kassø facility. At the same time, several arger-scale hydrogen projects are under development, many with plans to supply hydrogen to Germany through the future pipeline. Denmark is continuing the build-out of renewable energy capacity, including offshore wind, to support growing electricity demand from sectors such as Power-to-X. In 2026, Denmark’s latest offshore wind tender concluded, awarding Vattenfall the rights to develop two new offshore wind farms with a combined capacity of at least 1.8 GW, scheduled for completion in 2032.

Regulation and infrastructure are shaping the hydrogen market

Since the adoption of Denmark’s national Power-to-X strategy in 2021, Denmark has introduced four more agreements. One central agreement is the support for establishing the first phase of the hydrogen pipeline, also referred to as the Danish Hydrogen Backbone 1. The original agreement committed EUR 925 million in loans. In September 2026, the Danish Government increased state subsidies to a total of up to EUR 2.2 billion. The development remains conditional on producers booking at least 500 MW transport capacity by the end of 2026 without financial commitment. The threshold is reduced to 100 MW with financial commitment, and the deadline is postponed to 1 January 2028, giving projects more time to mature.

The planned pipeline will connect projects in several areas with existing or planned hydrogen production, including projects such as HØST PtX Esbjerg (CIP), Njordkraft (MorGen Energy), Vidar (RWE), Frigg (Everfuel), Albatros (Hy2gen), and Heimdal (European Energy), anchoring the infrastructure in concrete production. At European level, current regulations are creating the  framework for renewable hydrogen demand. RED III introduces binding requirements for the use of Renewable Fuels of Non-Biological Origin (RFNBOs) in industry and transport.

Recently, Germany introduced a national RFNBO quota for the transport sector, rising to 10 percent by 2040. Other measures, such as the EU Emissions Trading System (EU ETS 2) and the Carbon Border Adjustment Mechanism (CBAM) are expected to increase incentives for lower-carbon production in energy-intensive sectors. 

German and EU support could strenghten demand for the pipeline

Germany has allocated EUR 1.3 billion to support imports of renewable hydrogen from Denmark through the planned hydrogen backbone. The funding is being implemented through the European Hydrogen Bank’s Auction as-a-Service mechanism and is intended to help bridge the price gap between renewable hydrogen and conventional alternatives.

Support will be provided over a ten-year period, with three Danish projects selected for contract negotiations. At EU level, the European Hydrogen Bank is also providing more than EUR 1 billion through its 2026 auction to scale renewable hydrogen production across Europe, with two Danish projects selected for funding.

What comes next?

Attention is currently on implementation. Key milestones include the 2026 (without financial commitment) capacity booking process, the conclusion of grant agreements for the selected Danish projects, and further progress on commercial offtake and investment decisions. If the capacity booking process advance as planned, the Danish Hydrogen Backbone 1 is planned to be operational by the end of 2030.

The full picture

State of Green’s new information sheet provides an overview of key Denmark-Germany hydrogen milestones, planned pipeline and selected Danish electrolysis projects.  

Download the information sheet to explore Denmark’s emerging hydrogen infrastructure.

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