A. Will Frazier, Wesley Cole, Paul Denholm, Scott Machen, Nathaniel Gates, and Nate BlairStorage Futures StudyEconomic Potential of Diurnal Storage in the U.S. Power SectorSuggested Citation: Frazier, A. Will , Wesley Cole, Paul Denholm, Scott Machen, Nathaniel Gates, and Nate Blair. 2021. Storage Futures Study: Economic Potential of Diurnal Storage in the U.S. Power Sector. Golden, CO: National Renewable Energy Laboratory. NREL/TP-6A20-77449. https://www.nrel.gov/docs/fy21osti/77449.pdf. Storage Futures StudyEconomic Potential of Diurnal Storage in the U.S. Power SectorA. Will Frazier, Wesley Cole, Paul Denholm, Scott Machen, Nathaniel Gates, and Nate Blair NOTICE This work was authored by the National Renewable Energy Laboratory, operated by Alliance for Sustainable Energy, LLC, for the U.S. Department of Energy (DOE) under Contract No. DE-AC36-08GO28308. Funding provided by U.S. Department of Energy Office of Energy Efficiency and Renewable Energy Solar Energy Technologies Office, U.S. Department of Energy Office of Energy Efficiency and Renewable Energy Wind Energy Technologies Office, U.S. Department of Energy Office of Energy Efficiency and Renewable Energy Water Power Technologies Office and U.S. Department of Energy Office of Energy Efficiency and Renewable Energy Office of Strategic Analysis. The views expressed herein do not necessarily represent the views of the DOE or the U.S. Government. This report is available at no cost from the National Renewable Energy Laboratory (NREL) at www.nrel.gov/publications. U.S. Department of Energy (DOE) reports produced after 1991 and a growing number of pre-1991 documents are available free via www.OSTI.gov. Cover Photos by Dennis Schroeder: (clockwise, left to right) NREL 519...