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The International Hydropower Association (IHA) is the voice of sustainable hydropower.

We are a global network and a recognised presence at international decision-making forums, with members operating in more than 120 countries.

If you have a strong interest in furthering the cause of sustainable hydropower, you are welcome to join your voice to ours. 

Become a member 

The collective experience and global presence of our members, together with their support for our core mission, strengthens our voice on behalf of sustainable hydropower at the main international forums. 

IHA members are part of the world’s most extensive hydropower network and enjoy better access to information, new connections and strong representation on issues that affect them.  

We welcome membership applications from companies and consultants with a strong interest in sustainable hydropower. For more information, click here

Advancing sustainability 

Providing a voice to sustainable hydropower is only part of the solution.

Actions speak louder than words, and one of the most meaningful things that companies can do is to make use of the Hydropower Sustainability Tools in their operations.

Send us a message to and we will help you on your way. 

Whether you work for an international organisation or financial institution, an investor, a government a renewable energy association or a civil society organisation, you too can take action to make a meaningful impact.

Reach out to us at and let us know how we can help.