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
In 2023, battery storage continued to be the fastest growing energy storage technology, with increased investment and policy attention. By the end of 2023, 43 jurisdictions had in place policies for energy storage,
The US Energy Storage Monitor is a quarterly publication of Wood Mackenzie Power & Renewables and the American Clean Power Association (ACP). Each quarter, new industry data is compiled into this report to
Find the latest statistics and facts on energy storage.
Electrical Energy Storage (EES) systems store electricity and convert it back to electrical energy when needed. 1 Batteries are one of the most common forms of electrical energy storage.
Electric companies are the largest users and operators of the approximately 53 gigawatts (GW) of operational energy storage in the U.S., representing 92 percent of all energy storage capacity in use today.
Global installed energy storage capacity by scenario, 2023 and 2030 - Chart and data by the International Energy Agency.
Storage shifts energy in time. Storage can act as either generation or consumption, helping to maintain the balance between supply and demand at different time scales. For example, storage can provide capacity
That is why a storage system is referred to by both the capacity and the storage time (e.g., a 60 MW battery with 4 hours of storage) or—less ideal—by the MWh size (e.g., 240 MWh).
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