The article explains that battery storage is no longer seen as just a helpful add-on for renewable energy. It argues that falling costs have pushed batteries into a much more central role in power systems, because they can now shift solar energy into evening hours at prices that are becoming competitive with traditional generation. The piece also says this shift matters more than ever as electricity demand rises, especially from data centers and wider electrification, while older fossil-fuel plants are being retired.

It also highlights that this growth comes with major challenges. In Europe, policymakers are trying to create market rules that support much larger storage deployment, while in the U.S. the sector is dealing with policy uncertainty, tariffs, and stricter sourcing rules tied to supply chains that still depend heavily on China. The article adds that longer-duration storage technologies may become increasingly important, especially for winter peaks and multi-day reliability needs, but the overall message is clear: battery storage has moved from the edge of the grid to the center of future energy planning.

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Source: https://www.powermag.com/battery-storage-comes-of-age-from-grid-accessory-to-essential-infrastructure/