A Roadmap for Designing Hydrogen Projects for 45V Compliance

The report outlines a roadmap for hydrogen developers to navigate the 45V tax credit requirements in the United States. It focuses on four 'pillars' of compliance: regionality, hourly matching, incrementality, and attribute tradeability. The document argues that while hourly matching of clean electricity is challenging, it can be achieved through a combination of advanced registries, bilateral hourly contracts, optimized electrolyzer sizing, and sophisticated real-time operational strategies. It emphasizes the role of Energy Attribute Certificates (EACs) and suggests that the industry can leverage existing grid data and forecasting tools to prove compliance and manage the intermittency of renewable energy.

• The 45V tax credit's highest tier ($3 per kg of hydrogen) requires electricity emissions to be below 9 g CO2/kWh, a threshold that effectively disqualifies projects relying on average US grid emissions, which are approximately 370 g CO2/kWh.
• Compliance with the proposed 45V guidance relies on four pillars: regionality (EACs must come from one of 15 Transmission Needs Regions), hourly matching (clean power must be generated in the same hour it is consumed), incrementality (facilities must be placed into service within 36 months before the hydrogen project), and attribute tradeability.
• National Renewable Energy Laboratory modeling suggests that clean power buildout between 2025 and 2035 will be sufficient to support 200 gigawatts of hydrogen production facilities operating at 80 percent capacity.
• Hourly registries for tracking Energy Attribute Certificates (EACs) do not need years to develop because the necessary foundation exists in current grid operations, where load and generation are balanced on a sub-second basis and markets settle every 5 minutes.
• First-mover hydrogen projects are likely to rely on bilateral hourly contracts for EAC ownership rather than spot marketplaces, utilizing 'hourly ready' contract language and a mix of physical, virtual, and unbundled PPAs.
• Optimal project design for hourly matching typically involves utilization rates of 60–80 percent, meaning some level of curtailment and electrolyzer ramping is necessary to balance production costs and revenue.
• Real-time matching is feasible through the use of advanced forecasting—such as machine learning algorithms with hour-ahead error bars of around 5 percent—and the operational flexibility of PEM and alkaline electrolyzers.
• RMI recommends that the Treasury calculate credits for each hour separately in partial matching scenarios, similar to the EU methodology, to balance incentives with operational realities.

APA

RMI (2024). A Roadmap for Designing Hydrogen Projects for 45V Compliance. https://rmi.org/resources/a-roadmap-for-designing-hydrogen-projects-for-45v-compliance/

Chicago

RMI. A Roadmap for Designing Hydrogen Projects for 45V Compliance. 2024. https://rmi.org/resources/a-roadmap-for-designing-hydrogen-projects-for-45v-compliance/.

Wikipedia

{{cite report |author=RMI |title=A Roadmap for Designing Hydrogen Projects for 45V Compliance |date=14 October 2024 |url=https://rmi.org/resources/a-roadmap-for-designing-hydrogen-projects-for-45v-compliance/ |access-date=17 August 2026 |via=Climate Insights Directory}}

BibTeX

@techreport{rmi2024roadmap, author = {{RMI}}, title = {{A Roadmap for Designing Hydrogen Projects for 45V Compliance}}, institution = {RMI}, year = {2024}, month = oct, url = {https://rmi.org/resources/a-roadmap-for-designing-hydrogen-projects-for-45v-compliance/}, urldate = {2026-08-17}, note = {Indexed by Climate Insights Directory} }