EU Hydrogen Bank Explained. How Funding Auctions Work
Introduction
The European Hydrogen Bank has become an essential tool for scaling renewable hydrogen across Europe. It creates predictable revenue streams for producers, accelerates investment in electrolysis, and supports industries that must reduce emissions under European regulations.
The Bank distributes support through competitive auctions that prioritise cost efficiency and project maturity.
This article explains how the mechanism works, what the first auction rounds reveal, and why it matters for Europe’s decarbonisation strategy.
1. Strategic purpose of the European Hydrogen Bank
The European Hydrogen Bank was announced in 2022 as part of the European Green Deal and the REPowerEU plan. It was designed to support the large-scale deployment of renewable hydrogen and help the EU reach its target of producing 10 million tonnes of renewable hydrogen domestically by 2030. [1]
The Bank's main challenge is the green premium. Renewable hydrogen remains more expensive than hydrogen from fossil fuels. Estimates place the gap at €4-€6 per kilogram, depending on electricity prices and electrolyser operation. This difference prevents many projects from becoming commercially viable. Developers cannot secure financing without long-term price certainty, and buyers cannot commit to high offtake prices. [2]
The Renewable Energy Directive (RED III) creates binding targets for renewable hydrogen consumption. Industrial users must source 42.5 per cent of their hydrogen from renewable fuels of non-biological origin (RFNBOs) by 2030. Transport fuels must include at least 1 per cent RFNBO content by the same year. These obligations create demand that works alongside financial incentives offered by the European Hydrogen Bank. [3]
The Bank does not replace market prices. Instead, it provides a top-up premium for each kilogram of renewable hydrogen produced. This premium helps developers close the final viability gap and secure financing. It also enables early projects to move forward while the market matures.
2. How the auction mechanism works
The European Hydrogen Bank allocates support through competitive auctions. The process is managed by the European Climate, Infrastructure and Environment Executive Agency (CINEA). The structure of each auction is defined in published Terms and Conditions.
2.1 Funding model
The Bank uses an output-based fixed premium model. Developers bid the lowest subsidy they require in euros per kilogram. If successful, they receive this premium for up to ten years after the project begins producing certified renewable hydrogen. Payments are made only after production is verified. [4]
The EU Innovation Fund provides funding. This fund receives its budget from revenues generated by the EU Emissions Trading System. As carbon-intensive activities become more expensive, more funds flow into low-carbon innovation. This creates a self-reinforcing system where emissions-related revenues support the transition to clean energy. [5]
2.2 Auction steps
The auctions follow several precise steps.
Publication of the call. CINEA publishes the budget, eligibility requirements, the ceiling price, and evaluation criteria.
Submission of bids. Developers submit their requested premium, expected annual production, and electrolyser capacity. Eligible projects must install at least 5 MW of new electrolysers.
Qualification stage. This stage ensures that only credible and technically mature projects move forward. Developers must demonstrate progress on permitting, renewable electricity sourcing, offtake planning, and equipment procurement.
Ranking of bids. All qualified bids are ranked from lowest to highest premium.
Awarding of funds. Grants are awarded starting from the lowest bid until the budget is exhausted. The last bid that receives funding becomes the clearing price. [4]
This competitive model ensures the efficient use of public funds and provides reliable price signals to the market.
2.3 Post-award requirements
Winning projects must sign a Grant Agreement and provide a completion guarantee. In the first auction, this guarantee represented 4 per cent of the maximum grant amount. In later rounds, the requirement increased to 8 per cent to strengthen project reliability. [4]
Deadlines are strict. Projects must reach Final Investment Decision within the required timeframe and must begin operation within five years. Payments begin only after certified renewable hydrogen is supplied and verified in accordance with EU rules. [4]
3. Eligibility rules: what counts as renewable hydrogen
The Bank supports renewable hydrogen that meets the legal definition of RFNBOs. These rules are set by the Renewable Energy Directive and two Delegated Acts adopted in 2023.
3.1 Additionality and renewable electricity sourcing
Electrolysers must run on renewable electricity that is additional to the existing supply. This ensures hydrogen production does not divert renewable electricity from other sectors. The Delegated Act on additionality includes a temporary exemption. Projects operating before 1 January 2028 benefit from more flexible rules for ten years. This exemption reduces compliance complexity and helps early projects participate in the auctions. [6]
3.2 Greenhouse gas reduction requirements
To qualify as renewable hydrogen, lifecycle emissions must be at least 70 per cent lower than fossil-based alternatives. The methodology covers upstream emissions, electricity generation, the electrolysis process, and transport to end users. [7]
3.3 Inclusion of low-carbon hydrogen in future auctions
The third auction round (IF25) will partially allow low-carbon electrolytic hydrogen, provided it meets the same 70 per cent emissions reduction threshold. This includes electrolysis powered by nuclear energy. To safeguard the deployment of renewable hydrogen, the budget will be split into defined baskets. [8]
4. What the first auction rounds revealed
4.1 Pilot auction (IF23)
The first auction awarded €720 million to seven projects out of a total budget of €800 million. Bids ranged from €0.37 to €0.48 per kilogram, well below the €4.50 ceiling price. The selected projects will produce 1.58 million tonnes of renewable hydrogen over ten years. Most projects were located in Spain, Portugal, Finland, and Norway. These regions have the most favourable conditions for renewable electricity. [9]
4.2 Second auction (IF24)
The second auction selected 15 projects and allocated €992 million. Winning bids in the general basket ranged from €0.20 to €0.60 per kilogram. A maritime basket supported shipping-related projects at higher bid levels. The results showed competitive increases in production in regions with low-cost wind and solar resources. [10]
4.3 Lessons from the low bids
Two insights stand out.
RED III mandates influence offtaker behaviour. Buyers must meet legal obligations for the use of renewable hydrogen. Many accept higher prices, reducing the subsidy the Bank needs to provide.
Location is central to cost competitiveness. Regions with abundant renewable resources dominate the auctions. The mechanism naturally directs investment to these areas.
These insights remain valid. However, the later withdrawal of several IF24 projects shows that very low bids do not always translate into feasible delivery. This indicates that some early bids may have underestimated practical costs or project risks.
4.4 Withdrawals from the IF24 auction
Following the announcement of IF24 results, a significant share of winning projects withdrew during the grant negotiation stage. According to S&P Global, seven projects withdrew from the process, representing nearly half of the initially awarded electrolyser capacity in the auction. [14] This reduced the auction's total expected capacity and changed the overall project landscape.
Reasons for withdrawal
Reports from S&P Global, PNO Innovation, and SNEC-H2 highlight several factors behind these exits:
Overly aggressive bid prices. Some developers offered low premiums that became unviable once commercial and technical conditions were finalised.
Insufficient project maturity. Specific projects could not demonstrate the required progress on permitting, electricity sourcing, or offtake arrangements.
Uncertain renewable electricity contracts. Some bidders were unable to secure supply at the prices assumed in their bids.
Difficulty meeting timeline requirements. Several projects were not on track to reach Final Investment Decision or begin construction within the required deadlines.
These obstacles caused multiple projects to withdraw before signing their Grant Agreements.
Replacement projects
CINEA applied the reserve list mechanism to fill the gaps left by the withdrawn projects. Replacement projects from the reserve list were invited to proceed. [15][16]
However:
The replacement capacity was lower than the capacity lost.
Some Member States regained only a fraction of their original awarded volume.
Several replacements also required additional checks, as not all reserve-list projects had the same maturity.
This demonstrates that the reserve list mechanism can restore part of the lost capacity but cannot fully compensate for the withdrawal of large-scale projects.
Impact on market interpretation
The withdrawals change the understanding of the second auction round:
The headline volume announced after IF24 no longer reflects the real delivered capacity.
Early bids appear more volatile than initially assumed.
The market still shows strong interest, but project maturity has become a critical differentiator.
Withdrawals have accelerated the European Commission’s move to strengthen maturity requirements in the next auction (IF25).
These developments are now essential to understanding the IF24 auction results.
5. Auctions-as-a-Service: expanding the model
The Auctions-as-a-Service (AaaS) structure allows Member States to use the EU auction platform to deploy their own national budgets. After the EU budget is allocated, CINEA provides a list of qualified but unfunded national projects. States can then award their own funds to support these projects.
Austria, Spain, and Lithuania used the AaaS model in the IF24 round. Together, they allocated more than €700 million. This nearly doubled the impact of the EU auction. [11]
The AaaS model reduces administrative complexity, ensures alignment with EU rules, and avoids fragmented national schemes.
6. International pillar: building a global market
Europe aims to import 10 million tonnes of renewable hydrogen by 2030. The international pillar of the European Hydrogen Bank is developing two tools to support this.
6.1 Import auction concept
The Commission is considering an import system inspired by the German H2Global model. This would involve long-term purchase contracts for imported hydrogen and short-term sales to EU buyers. State support would cover the gap between the two prices. [12]
6.2 Hydrogen Mechanism
In 2025, the Commission launched the Hydrogen Mechanism. This digital platform connects buyers and suppliers of hydrogen across Europe and beyond. It does not provide subsidies but improves transparency, contract formation, and early market alignment. [13]
7. Implications for developers, investors, and policymakers
7.1 Developers
Project maturity has become even more critical. The withdrawals show that low bids alone are not sufficient. Developers must demonstrate realistic cost assumptions, progress on permitting, and credible electricity supply plans.
7.2 Investors
The withdrawal wave indicates that some early projects carried more delivery risk than expected. Investors will rely more heavily on evidence of project readiness, financial robustness, and secure offtake agreements.
7.3 Offtakers
Industries with binding obligations must secure dependable suppliers. Withdrawals show that not all awarded projects progress to implementation, so offtakers should prioritise developers with strong track records and robust planning.
7.4 Policymakers
Withdrawals have highlighted the importance of maturity assessments. This has already influenced IF25, which now places greater emphasis on feasibility and delivery capability. Policymakers are expected to tighten verification processes to reduce dropout rates in future rounds.
Conclusion
The European Hydrogen Bank remains central to Europe’s hydrogen strategy. Its auction model improves cost efficiency and accelerates project development. The withdrawals from the second auction round show that competitive pricing alone is not enough.
Project maturity, realistic assumptions, and strong commercial foundations are essential for delivery. As the Bank evolves, these lessons will shape the future design of support mechanisms and the pace of Europe’s renewable hydrogen expansion.