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Erratum to accompany "Comprehensive Total Cost of Ownership Quantification for Vehicles with Different Size Classes and Powertrains" (Argonne National Laboratory report ANL/ESD-21/4) July 2021After initial publication of this report, the authors were made aware of some minor typographical errors and omissions. As these mistakes can potentially confuse the results, they have been corrected in the present version. In the executive summary on page xxiii, "HEV" (hybrid electric vehicle) was once written as "BEV" (battery electric vehicle), contrary to the findings shown in the accompanying figure. Tables B.5 and B.6 previously stated the incorrect all-electric ranges for the battery electric vehicle and plug-in hybrid electric vehicle for the class 8 day cab tractor and class 4 delivery truck, respectively. These ranges have been corrected. Additionally, two sentences were added to Appendix B on page 143 to explicitly state the correctly modeled all-electric range for all medium-and heavy-duty vehicles.

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 Photo by Dennis Schroeder: NREL 46494.NREL prints on paper that contains recycled content.

Solar and wind energy are being rapidly integrated into electricity grids around the world. As renewables penetration increases beyond 80%, electricity grids will require long-duration energy storage or flexible, low-carbon electricity generation to meet demand and help keep electricity prices low. Here, we evaluate the costs of applicable technologies based on current technology status and future projections. We show which technologies have the lowest costs and identify opportunities for each to help decarbonize the electricity grid.