New York, February 18, 2026 – Clean power costs sent mixed signals in 2025. According to BloombergNEF's Levelized Cost of Electricity 2026 report, the cost of battery storage projects plummeted to new lows in 2025 even as most other clean power technologies became more. This report is available at no cost from NREL at www. Cole, Wesley, Vignesh Ramasamy, and Merve Turan. Cost Projections for Utility-Scale Battery Storage: 2025 Update. BNEF's global. BNEF analyst Isshu Kikuma discusses trends and market dynamics impacting the cost of energy storage in 2024 with ESN Premium. Around the beginning of this year, BloombergNEF (BNEF) released its annual Battery Storage System Cost Survey, which found that global average turnkey energy storage system. DOE's Energy Storage Grand Challenge supports detailed cost and performance analysis for a variety of energy storage technologies to accelerate their development and deployment The U. Department of Energy's (DOE) Energy Storage Grand Challenge is a comprehensive program that seeks to accelerate. Ember provides the latest capex and Levelised Cost of Storage (LCOS) for large, long-duration utility-scale Battery Energy Storage Systems (BESS) across global markets outside China and the US, based on recent auction results and expert interviews.