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 a 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.