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Clean Energy Demonstration Projects Database

The most comprehensive database of clean energy technology demonstrators

About the database

The IEA Demonstration Projects Database seeks to map major demonstration projects of clean energy technologies, globally. For each project, it provides information on location, sector and technology grouping, status, capacity, timing and funding, when available.

Disclaimer (July 2023). The database is updated regularly and benefits from expert and country data collection and reviews. We welcome feedback and contributions to continuously improve comprehensiveness and accuracy. Please get in touch with the IEA to submit more information. In its current version, the database excludes some projects related to hydrogen production and infrastructure, which will be updated and released alongside the next edition of Global Hydrogen Review end-2023.


Without a major acceleration in clean energy innovation, reaching net zero emissions by 2050 will not be possible

Technologies that are available on the market today are able to provide nearly all of the emissions reductions required by 2030 in the Net Zero Emissions by 2050 scenario. However, going all the way to net zero will require faster innovation and the widespread use after 2030 of technologies that are still under development today. This is particularly true in hard-to-decarbonise sectors such as heavy industry and long-distance transportation. The IEA monitors the development of over 550 individual technology designs and components across the whole energy system that contribute to reaching net-zero emissions in the Clean Energy Technology Guide.

What is a demonstration project?

The innovation process involves successive demonstrations of scientific concepts, working prototypes, and consumer demand. A “demonstration project”, according to common usage in the energy sector, is typically one of the first few examples of a new technology being introduced onto a given market at the size of a single full-scale commercial unit. It involves far more time, cost and risk than a prototype, and significantly reduces investor risk for subsequent installations. Demonstration projects are usually loss-making investments when considered in isolation, with their combination of capital requirement and risk placing them squarely within what is often referred to as the “valley of death’’, a stage when technologies can fail to progress commercially even if they have high market potential. The IEA estimates that at least USD 90 billion of public funding needs to be raised by 2026 to complete a portfolio of demonstration projects for technologies that could be commercially ready by 2030 and contribute to achieving net zero emissions by mid-century.


Supported by

  • This database could not have been achieved without the financial support and co-operation provided by various donors to the IEA, including the Governments of Canada, Germany and Japan, as well as the European Commission on behalf of the European Union. The financial assistance of the European Union was provided as part of its funding of the Clean Energy Transitions in Emerging Economies programme within the Clean Energy Transitions Programme. The database reflects the views of the IEA Secretariat but does not necessarily reflect those of individual IEA member countries or the European Union. The IEA makes no representation or warranty, express or implied, in respect to the database’s contents (including its completeness or accuracy) and shall not be responsible for any use of, or reliance on, the database.

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