According to recent industry reports, the United States has already hit 40GW of energy storage system (ESS) capacity as of December 2025, blowing past the original 35GW target that wasn't supposed to be reached until the end of this year. . Battery storage capacity in the power sector is expanding rapidly. Over 40 gigawatt (GW) was added in 2023, double the previous year's increase, split between utility-scale projects (65%) and behind-the-meter systems (35%). Battery storage has many uses in power systems: it provides short-term. . The state is once again setting springtime output records from solar, while energy storage takes over the peak electricity demand period becoming the maximum output source. Continued. . More electricity storage and longer durations of storage will be needed for the UK to meet net zero targets, according to electricity system operator National Grid ESO's latest modelling. Electricity storage deployment increased in all four of its decarbonisation scenarios, which were outlined in. . This battery storage update includes summary data and visualizations on the capacity of large-scale battery storage systems by region and ownership type, battery storage co-located systems, applications served by battery storage, battery storage installation costs, and small-scale battery storage. . Tim De Chant shares in a TechCrunch article that more than 40 GW of batteries have been deployed on the US grid to date, with more than 10% of that coming in the last quarter alone. As Tim notes, "in eight years. .