As the global transition to renewables accelerates, battery energy storage systems (BESS) have become indispensable for grid operators, commercial facilities, and industrial sites alike. Whether the goal is peak-shaving, backup power, or ancillary services, every successful BESS relies on a carefully orchestrated suite of hardware and software. This article examines each critical component—from the electrochemical cells to the high-level management software—and highlights international trends shaping today’s market.
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