The 2026 National Hydropower Map

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The 2026 National Hydropower Map

June 30, 2026

The 2026 National Hydropower Map displays the geospatial distribution and characteristics of U.S. operational hydropower plants from 2020-2026. Plant capacity…

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US Hydropower & Environmental Mitigations: A 1998-2023 inventory of mitigation measures inside licensing documents

June 26, 2026

This StoryMap explores trends in environmental mitigation measures for FERC licensed hydropower projects in the US and how they relate…

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Interactive Hydropower Generation Map

June 18, 2026

The Interactive Hydropower Generation Map displays net electricity generation from 2003-2024 for U.S. hydropower facilities with a generation capacity at…

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Sedimentation in U.S. Reservoirs

May 21, 2026

Sediment buildup in aging U.S. reservoirs is a growing concern for sustainable management of water storage, flood control and power…

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Map of U.S. Hydropower Relicensing Pipeline, 2026

May 6, 2026

The map presents a nationwide view of hydropower and pumped‑storage projects across the United States that were in the process…

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U.S. Pumped Storage Hydropower Development Pipeline Map, 2026

April 20, 2026

This map provides a snapshot of the composition of the U.S. pumped storage hydropower development pipeline as of December 31,…

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U.S. Hydropower Development Pipeline Map, 2026

April 20, 2026

This map provides a snapshot of the composition of the U.S. hydropower development pipeline as of December 31, 2025. It…

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Map of U.S. Hydropower Relicensing Pipeline, 2025

September 5, 2025

This map provides a snapshot of the composition of the U.S. hydropower relicensing pipeline as of June 9, 2025. It…

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Map of U.S. Hydropower Supply Chain Manufacturing Locations, 2025

September 5, 2025

This map showcases the newly developed ORNL hydropower supply chain database. The goal of this newly developed ORNL hydropower supply chain…

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Map of U.S. Hydropower Development Pipeline, 2025

June 24, 2025

This map provides a snapshot of the composition of the U.S. hydropower development pipeline as of December 31, 2024. It…

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Map of U.S. Pumped Storage Hydropower Development Pipeline, 2025

June 24, 2025

This map provides a snapshot of the composition of the U.S. pumped storage hydropower development pipeline as of December 31,…

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Lifecycle of US Hydropower Facilities

August 29, 2024

The lifecycle of a hydropower project involves several stages, from initial planning/resource assessment through to decommissioning. Each stage is crucial…

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