Current trends in the power sector have prompted changes in the role of hydropower, creating a need to adjust the way these assets are designed, operated and maintained, according to this new report by the International Renewable Energy Agency (IRENA). The “The changing role of hydropower Challenges and opportunities”, produced in the context of IRENA’s Collaborative Framework on Hydropower, provides a snapshot of the current status of hydropower and lays out a vision of how to realise its potential.