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

Overview

This map provides a snapshot of the composition of the U.S. pumped storage hydropower development pipeline as of December 31, 2025. It displays the location of pumped storage hydropower projects whose developers are federal agencies or non-federal entities that have formally registered interest in project development through documents submitted to FERC or Bureau of Reclamation. It also includes location of capacity addition projects at existing pumped storage hydropower facilities. The map provides project-level information on type, size, and development process stage.