Wire · technology
Battery system failures fell 98% in 7 years, but older systems need special care: report
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Fusion42 · 14 October 2026 · Fusion42 review
The Electric Power Research Institute reports a 98% reduction in battery energy storage system failures between 2018 and 2025, driven by technological and project improvements. However, legacy systems still require specialised maintenance and care to ensure reliability.
This Wire brief sits within Fusion42's coverage of Energy Storage and Climate Tech, and 2 sources have reported it between 13 Oct 2026 and 23 Oct 2026.
◆ ◆ The Wire takeaway
Battery system reliability has vastly improved, but you must invest in special care for older storage installations or risk unexpected downtime. This creates urgent service and upgrade opportunities in ageing battery portfolios.
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2 sources · first reported 13 Oct 2026 · latest 23 Oct 2026
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