AI Summary

The growth in battery storage capacity in the US power system has been substantial over the last three years. This expansion is reflected in the operational battery storage capacity, which has increased from an unspecified level at the start of the period to 43.6 gigawatts by the end of 2025. The addition of 8.3 gigawatts of battery storage capacity in the first six months of 2026 has brought the total nameplate capacity to nearly 52 gigawatts.

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