AI Data Center Battery Storage: 2026 Operator Capacity Brief

The full audit-grade citation record, with claim-by-claim source mapping and cite-this-article snippets, is maintained on the dedicated SAVRN sources page for this piece. ### Primary research and forecasts cited in this AI data center…

Source for: cell prices $83/kWh, pack prices $115/kWh, largest single-year drop since 2017. National Renewable Energy Laboratory, Annual Technology Baseline 2025 — Utility-Scale Battery Storage.

Energy Information Administration, Form 860 Annual Electric Generator Report 2025.

Source for: 26 GW operational utility-scale battery storage at year-end 2024, ERCOT 10 GW, CAISO 13+ GW. Electric Power Research Institute, Battery Energy Storage Roadmap 2024.

Source for: reference architectures, cycle life durability data, role definitions. Lawrence Berkeley National Laboratory, Storage Futures Study.

Source for: cost curve trajectory through 2028. ### Standards, regulatory, and trade-policy references for AI data center battery storage National Fire Protection Association, NFPA 855 Standard for the Installation of Stationary Energy…

Source for: AHJ approval framework. Underwriters Laboratories, UL 9540A Test Method for Evaluating Thermal Runaway Fire Propagation in BESS.

Energy Information Administration, Battery Storage in the United States 2024.

Source for: market trajectory, installed capacity by state. International Energy Agency, Energy and AI 2025.

Source for: AI demand context for battery storage sizing. Lawrence Berkeley National Laboratory, Queued Up 2025 Edition.