Growing levels of wind and solar power increase the need for flexibility and grid services across different time scales in the power system. . We expect 63 gigawatts (GW) of new utility-scale electric-generating capacity to be added to the U. This amount represents an almost 30% increase from 2024 when 48. 6 GW of capacity was installed, the largest. . The battery energy storage market continues its rapid growth, reshaping power systems worldwide. After a historic 2025, when global BESS capacity surpassed 250 GW and overtook pumped hydropower, momentum is set to accelerate in 2026.
[PDF Version]