Megawatts are not enough anymore for leading US BESS markets
Source：energystoragenews
After an initial rush to deploy megawatts that gave CAISO and ERCOT the lead in US BESS adoption, both markets have become focused on capacity and availability, writes Amit Mathrani of Rabobank Americas.
This is an extract of a feature article that originally appeared in Vol.43 of PV Tech Power, Solar Media’s quarterly journal covering the solar and storage industries.
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Battery energy storage has sprinted from niche experiment to indispensable grid asset in barely half a decade. Nowhere is that transformation clearer than in California and Texas. By the end of 2024, the California ISO (CAISO) operated 12.5GW of utility-scale battery capacity, up from just 1GW in 2020, while the Electric Reliability Council of Texas (ERCOT) surged from essentially 0.5GW to 10GW over the same period.