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International Hydropower Association

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The world’s water battery: Pumped hydropower storage and the clean energy transition


18 December 2018

An additional 78,000 megawatts (MW) in clean energy storage capacity is expected to come online by 2030 from hydropower reservoirs fitted with pumped storage technology, according to this working paper from the International Hydropower Association (IHA).

Below are some of the paper's key messages and findings.

IHA Activity and Strategy Report 2017-2018


IHA's Activity and Strategy Report 2017-2018 outlines the association's mission and activities to advance sustainable hydropower. 

2017 Hydropower Status Report

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2017 Hydropower Status Report

The 2017 Hydropower Status Report provides a comprehensive overview of recent developments and trends in the sector around the world.

The report includes:

Better Hydro: Compendium of Case Studies 2017

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Better Hydro

Better Hydro: Compendium of Case Studies 2017 presents examples of excellence in specific aspects of sustainable hydropower development. The case studies have been compiled through a collaboration between the International Hydropower Association and the World Bank Group.

2017 World Hydropower Congress Report

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This report provides an overview of the discussions which took place at the 2017 World Hydropower Congress in Addis Ababa, Ethiopia, under the auspices of the United Nations Economic Commission for Africa and the African Union Commission.

Video: Assessing hydropower projects against good practices in sustainability

4 January 2018

Since its launch in 2011, the Hydropower Sustainability Assessment Protocol has become the leading international tool for measuring the sustainability of hydropower projects.

It is used to assess both new projects and existing facilities according to a range of social, environmental, technical and economic criteria, and has so far been applied in more than 25 countries.

To learn more, watch our short documentary:


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