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Clean energy systems

Hydropower is the world’s largest producer of renewable electricity. No country or region has achieved 100% decarbonisation without a significant element of hydropower.

The sector represents around 16 per cent of global electricity production, more than all other renewables combined.

To deliver upon the ambition of the Paris Agreement, which aims to limit the global temperature rise to 1.5°C, all renewables will need to become more closely integrated.

Our action

IHA has demonstrated hydropower’s reliability, flexibility and affordability through its advocacy, projects, publications, events and workshops.

Our engagement with international organisations, governments and other stakeholders has improved awarenesss of the flexibility and storage services hydropower provides, as well as its great potential to increase the penetration of variable renewables such as wind and solar.

In the past year, we have supported Hydropower Europe, a major European Union Horizon 2020 research and development project to deliver a research and policy roadmap for the sector.

Join our network

IHA’s Clean Energy Systems Knowledge Network supports members to build and share knowledge on hydropower’s role in clean energy systems.

If you are an IHA member, you can join our Clean Energy Systems Knowledge Network

IHA members can access the knowledge network in Hydropower Pro, our online member community.

In the online group, network members can connect with each other, exchange experiences and access essential resources, briefings and case studies.

For any questions, please contact IHA senior analyst Samuel Law at



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