Wire · technology
Global battery energy storage installed capacity to rise sixfold by 2030, forecasts GlobalData
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Fusion42 · 28 July 2026 · Fusion42 review
Global battery energy storage capacity is forecast to grow sixfold by 2030 at 42% CAGR, driven by renewable variability, declining lithium-ion costs, and increasing demand from electrification, industry, and data centres. Four-hour duration systems and solar-plus-storage co-location are becoming standard, with China and the US controlling 74.6% of the market.
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◆ ◆ The Wire takeaway
Four-hour battery duration is now the minimum standard, not the option—your solar project without multi-hour storage will lose grid connection slots to those with it. Data centres are moving batteries from backup to active power management, which means the real revenue isn't in holding charge but in arbitrage and peak-shaving: if you're building storage, your customer's margin depends on selling into volatile pricing windows, not flat capacity contracts.
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