Hybrid Gas–Battery Power Plants in the United States: Operational Flexibility, Market Participation, and Grid Reliability

Samuel Nimaful ()

International Journal of Innovative Science and Research Technology (IJISRT), 2026, vol. 11, issue 03, 1992-2001

Abstract: The integration of battery energy storage systems (BESS) with natural gas–fired power plants is gaining attention as a viable approach for improving operational flexibility, response speed, and the economic competitiveness of gas generation within the U.S. electricity system. This paper examines the integration of lithium-ion battery storage with both open-cycle and combined-cycle natural gas plants, with emphasis on operational performance, market participation, emissions implications, and regulatory context. Hybrid gas-battery configurations combine the rapid response capability of batteries with the sustained energy delivery of gas turbines, thereby improving start-up performance, ramping capability, reserve provision, and load-following operations. Drawing on case evidence and market developments in regions such as the California Independent System Operator (CAISO), PJM Interconnection, and the Midcontinent Independent System Operator (MISO), this study evaluates how hybridization can improve the dispatchability and economic competitiveness of gas-fired assets. The findings indicate that hybrid systems can reduce inefficient part-load operation, lower start frequency, expand participation in ancillary service markets, and improve operational readiness during periods of renewable variability. Project-level evidence also suggests that hybrid retrofits can reduce emissions and operating costs for peaking units when batteries are actively dispatched as intended. In addition, evolving market rules and federal policy developments, including FERC Order No. 841 and ISO-specific hybrid participation models, are creating a more supportive environment for hybrid resource deployment. Overall, natural gas-battery hybrids represent a transitional grid solution that can enhance reliability and flexibility while supporting decarbonization objectives. The paper concludes by identifying market, policy, and research priorities needed to expand hybrid deployment in the U.S. power sector.

Keywords: Battery Energy Storage; Natural Gas Power Plants; Hybrid Power Plants; Ancillary Services; Grid Flexibility; Peaker Plants; Energy Storage. (search for similar items in EconPapers)
Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:cvr:ijisrt:2026:03:ijisrt26mar700

DOI: 10.38124/ijisrt/26mar700

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