The Hydropower Sustainability Tools define and measure sustainability in the hydropower sector. They provide a common language to allow governments, civil society, financial institutions and the hydropower sector to discuss and evaluate sustainability issues.

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There are three complementary tools: the Hydropower Sustainability Guidelines on Good International Industry Practice (HGIIP Guidelines), the Hydropower Sustainability Assessment Protocol (HSAP) and the Hydropower Sustainability ESG Gap Analysis (HESG) Tool.

The HGIIP Guidelines act as the key document that defines the processes and outcomes that constitute good international industry practice.

Performance against the guidelines can be measured through two complementary tools: the HSAP and the HESG Tool. The HSAP measures performance compared to defined basic good practice and proven best practice, enabling projects to benchmark their performance in a comprehensive way. The HESG Tool can be used to check for gaps against good practice on relevant environmental, social and governance topics, and includes a gap management plan to improve processes and outcomes.

Protocol assessment example (Blanda, Iceland)


Assessment Protocol


ESG Gap Analysis Tool

Sustainability Guidelines