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Reports by Zhiyuan Fan, Emeka Ochu, Sarah Braverman + 6 more • August 26, 2021
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As global warming mitigation and carbon dioxide (CO2) emissions reduction become increasingly urgent to counter climate change, many nations have announced net-zero emission targets as a commitment to rapidly reduce greenhouse gas emissions. Low-carbon hydrogen has received renewed attention under these decarbonization frameworks as a potential low-carbon fuel and feedstock, especially for hard-to-abate sectors such as heavy-duty transportation (trucks, shipping) and heavy industries (e.g., steel, chemicals). Green hydrogen in particular, defined as hydrogen produced from water electrolysis with zero-carbon electricity, could have significant potential in helping countries transition their economies to meet climate goals. Today, green hydrogen production faces enormous challenges, including its cost and economics, infrastructure limitations, and potential increases in CO2 emissions (e.g., if produced with uncontrolled fossil power generation, which would be hydrogen but would not be green).
This report, part of the Carbon Management Research Initiative at Columbia University’s Center on Global Energy Policy, examines green hydrogen production and applications to understand the core challenges to its expansion at scale and the near-term opportunity to enable deployment. An analysis using Monte Carlo simulations with a varying range of assumptions, including both temporal (i.e., today versus the future) and geographical (e.g., the US, the EU, China, India, Japan) factors, anticipates emissions intensity and costs of producing green hydrogen. The authors evaluate these production costs for different scenarios as well as associated infrastructure requirements and highlight near-term market opportunities and policies to motivate development of the green hydrogen industry.
Key findings include:
Based on these findings, the authors recommend the following set of policy actions:
When the Inflation Reduction Act (IRA) was passed in August 2022, it triggered unprecedented enthusiasm among potential hydrogen suppliers.[1] More than two years later, progress on final investment...
China’s commitment to what it calls its “dual carbon” goals of carbon neutrality by 2060 and to ammonia’s potential role as a hydrogen derivative and carrier have fostered...
Full report
Reports by Zhiyuan Fan, Emeka Ochu, Sarah Braverman + 6 more • August 26, 2021