IHA at 30

A milestone in sustainable hydropower

Explore the journey, achievements, and vision of a leading voice in renewable energy.

Discover Hydropower

Hydropower currently provides over 14% of the world's electricity. But more is needed if we are to reach climate targets. Our annual World Hydropower Outlook sets out a roadmap to enable hydropower and other renewables to deliver against urgent net zero targets

IHA Membership

Strength in numbers

Encompassing over 100 organisations operating in more than 120 countries, IHA's members include the world's leading hydropower developers, operators and manufacturers committed to the delivery of sustainable hydropower under the guidelines of the San Jose Declaration. Join us to drive sustainable hydropower and meet net zero targets.

Join us

We are

100

Members

Across

120

Countries

Generating

4,408

TWh of hydropower

Contributing

24%

Of the global
renewable energy

News

23/4/2026

Urgent Call to Action for Spanish Government to Solve Growing Energy Waste

19/3/2026

Keeping turbines turning: Alloy Bearings joins the International Hydropower Association

16/4/2026

Clear skies ahead: Upstream Tech joins IHA

Events

6/4/2027

2027 World Hydropower Congress

11/10/2026

Global Hydropower Day 2026

27/5/2026

Lisbon Future Dialogue

Stories

2/4/2026

Hydropower and green fuels - the strategic backbone of energy security?

8/3/2026

Women In Hydropower - Claudine Bouchard