US SB3684

Authorizes $300 million annually for fiscal years 2026-2030 for water power research, with $200 million designated for marine energy and $100 million for hydropower (up from $186.6 million in prior authorization)

Expands hydropower research priorities to include cybersecurity, streamlined licensing processes, invasive species mitigation, and workforce development programs including Tribal workforce initiatives

Adds marine energy research goals including arctic marine environment systems, hydrogen production, defense applications with the Navy for coastal surveillance, and resilience for coastal communities and critical infrastructure

Requires National Marine Energy Centers to consider regional test sites with unique conditions like high tidal ranges and cold-water operations, and to support workforce development and student-led research

Mandates biennial briefings to Congress (changed from annual) on research findings and strategic plan implementation, with coordination among NOAA, Sea Grant Program, and international trade agencies