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From peakers to firming: batteries are becoming grid infrastructure.

How 4-hour and 8-hour BESS systems are restructuring capacity markets, ancillary services, and the physical control layer of the grid.

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Battery Storage Is Becoming Grid Infrastructure

From peakers to firming: how 4-hour and 8-hour BESS systems are restructuring capacity markets and ancillary services.

By Field Reporting · Apr 24, 2026 · 14 min

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