ReHydro – Barriers and Drivers in Modernising European Hydropower Fleets is an EU-funded research project that aims to support Europe’s energy transition by optimising existing hydropower infrastructure. The initiative focuses on modernising ageing infrastructure while addressing environmental concerns and societal needs. ReHydro proposes new methods to improve efficiency, capacity and flexibility across the hydropower sector. 

As part of this effort, a survey was developed by the IHA, vgbe energy, SuperGrid Institute and SINTEF to identify the key barriers and drivers in modernising hydropower fleets across Europe. The confidential survey takes approximately 10-15 minutes to complete and will gather general information about current modernisation efforts and plans. It also includes an optional section that focuses on a specific project within your hydropower fleet.

We invite you to complete the survey, as your insights are crucial for shaping recommendations for the modernisation of hydropower. 

By completing the survey, you will have the opportunity to receive and review the aggregated results, gain valuable insights into the key drivers and barriers in modernising European hydropower, and receive an invitation to participate in a dedicated workshop on April 11th, 2025, where we will delve deeper into the findings.

Survey link here

If you have any questions or encounter issues with the survey, please don’t hesitate to reach out.

Thank you for your time and valuable input in shaping the future of hydropower modernisation across Europe. 

Hydropower remains the backbone of Europe’s clean energy transition, contributing 28.7% of Europe’s renewable electricity production and 16.7% of Europe’s electricity in 2023. However, with an average fleet age of 45 years and 70% being at least 30 years old, the threat of ageing infrastructure, outdated technology, and reduced efficiency remains a prominent challenge. Modernisation is essential in securing Europe’s energy resilience, diversity, and security of supply. 

You can learn more about the ReHydro Project at: ReHydro