The U.S. Department of Energy's (DOE's) Water Power Technologies Office (WPTO) commissioned this Report to evaluate the primary challenges in raising investment in medium-sized hydropower and PSH, defined as projects with five (5) to 30 megawatts (MW) of installed capacity, and to understand potential opportunities to increase mobilization of private sector investment in hydropower and PSH projects in the future. Based on stakeholder interviews, a market survey, and industry reports, this Report considers the investment and development trends and future opportunities for five hydropower project types: capacity additions, conduits, PSH (both open and closed loop), non-powered dams (NPDs), and new stream-reach development (NSD).
Original languageAmerican English
Number of pages121
StatePublished - 2024

NREL Publication Number

  • NREL/TP-5700-87470


  • hydropower
  • investment incentives analysis
  • market analysis
  • pumped storage hydropower


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