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Gaps in PV-Coupled Battery Modeling

Keith, Janine [National Laboratory of the Rockies, Golden, CO (United States)]
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Abstract

With the rapid increase in battery attachment rates for PV systems and the continued qualification of storage for the ITC under OBBB, accurately characterizing PV-coupled batteries is becoming increasingly critical for the PV industry. This presentation will explore the key gaps in current best practices for modeling PV-coupled battery storage, including challenges such as battery thermal conditioning, the influence of dispatch strategies on battery value, the limitations of oversimplified degradation and performance models, and the absence of a centralized database containing sufficient battery parameters for accurate modeling. For behind-the-meter applications, we will also address issues like mismatched solar resource and load profiles, as well as uncertainties in future utility rates. Where applicable, we will quantify the impacts of these gaps on the accuracy and uncertainty of modeling efforts and highlight ongoing research aimed at addressing these challenges.

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14 SOLAR ENERGY25 ENERGY STORAGE29 ENERGY PLANNING, POLICY, AND ECONOMYbatteriesbatterymodelingPV+batterystorage

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Keith, Janine [National Laboratory of the Rockies, Golden, CO (United States)]. 2026-07-08. Gaps in PV-Coupled Battery Modeling. https://doi.org/10.66816/pr2543985

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