Nonexhaustive Taxonomy of Hydropower and Pumped Storage Hydro Facilities

Summary

This document from NREL, PNNL, and DOE introduces a nonexhaustive taxonomy for hydropower and pumped storage hydro (PSH) facilities in the United States. The taxonomy details manufactured products, components, and steel/iron items to support supply chain research and development and inform domestic content requirements for incentives under the Inflation Reduction Act (IRA). In 2023, existing hydropower provided 6.5% of U.S. electricity (240 TWh from 80 GW capacity), with 23 GW of PSH adding 6 TWh. As of late 2022, the development pipeline included 117 new hydropower facilities totaling 1.2 GW and 96 PSH projects with 91 GW capacity, alongside 23 upgrade projects expected to add 254 MW. The IRA provides tax credits through at least 2032 to incentivize investment in clean energy, including hydropower and PSH.

Key Facts

Source Document

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