; (B) pumped storage; (C) constructed waterways; (D) new stream-reach development; (E) modular and small dams; (F) increased operational flexibility; and (G) enhancement of relevant existing facilities; (2) develop new strategies and technologies, including analytical methods, physical and numerical tools, and advanced computing, as well as methods to validate such methods and tools, in order to— (A) extend the operational lifetime of hydropower systems and their physical structures, while improving environmental impact, including potential cumulative environmental impacts; (B) assist in device and system design, installation, operation, and maintenance; and (C) reduce costs, limit outages, and increase unit and plant efficiencies, including by examining the impact of changing water and electricity demand on hydropower generation, flexibility, and provision of grid services; (3) study, in conjunction with other relevant Federal agencies as appropriate, methods to improve the hydropower licensing process, including by compiling current and accepted best practices, public comments, and methodologies to assess the full range of potential environmental and economic impacts; (4) identify opportunities for joint research, development, and demonstration programs between hydropower systems, which may include— (A) pumped storage systems and other renewable energy systems; (B) small hydro facilities and other energy storage systems; (C) other hybrid energy systems; (D) small hydro facilities and critical infrastructure, including water infrastructure; and (E) hydro facilities and responsive load technologies, which may include smart buildings and city systems; (5) improve the reliability of hydropower technologies, including during extreme weather events; (6) develop methods and technologies to improve environmental impact, including potential cumulative environmental impacts, of hydropower and pumped storage technologies, including potential impacts on wildlife, such as— (A) fisheries; (B) aquatic life and resources