The United States Energy Storage Market Report is Segmented by Technology (Batteries, Pumped Hydro Storage, Hydrogen Energy Storage, and More), Capacity Rating (Up To 1 MWh, 1 To 10 MWh, 10 To 100 MWh, and Above 100 MWh), Installation (Front-Of-The-Meter and. The United States Energy Storage Market Report is Segmented by Technology (Batteries, Pumped Hydro Storage, Hydrogen Energy Storage, and More), Capacity Rating (Up To 1 MWh, 1 To 10 MWh, 10 To 100 MWh, and Above 100 MWh), Installation (Front-Of-The-Meter and. As energy reliability becomes increasingly critical for businesses of all sizes, commercial and industrial (C&I) energy storage systems are emerging as indispensable assets across the U. Each quarter, we gather data on US energy storage deployments, prices, policies, regulations and business models. We compile this information into this report. WASHINGTON, D. 6 gigawatt-hours (GWh) of new capacity in 2025, the largest single year of new battery capacity additions on record.