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. 1. All-in BESS projects now cost just $125/kWh as of October 2025 2.
A levelised cost of storage (LCOS) of $65/MWh. An all-in capex of $125/KWh leads to a cost of $65/MWh to move electricity, based on the latest real-world project parameters.
The EPC services and grid connection required to turn this equipment into an operational project can vary widely, but typically costs around $50 /kWh. This assumes land is provided by a tendering utility or purchased at a low cost. The largest variation in costs comes mainly from the grid connection fee.
This SRM does not address new policy actions, nor does it specify budgets and resources for future activities. This Energy Storage SRM responds to the Energy Storage Strategic Plan periodic update requirement of the Better Energy Storage Technology (BEST) section of the Energy Policy Act of 2020 (42 U.S.C. § 17232 (b) (5)).
That makes Q1 2025 the biggest first quarter for energy storage in US history. The surge was led by utility-scale projects, which accounted for over 1.5 GW of the new capacity, a 57% jump compared to Q1 2024. Surging energy demand is putting the electric grid under strain,” said John Hensley, SVP of markets and policy analysis at ACP.
Courtesy of Salt River Project The U.S. energy storage industry will invest $100 billion over the next five years to build and buy batteries made in the United States, the American Clean Power Association and company representatives said Tuesday.
The underlying motivation for DOE's strategic investment in energy storage is to ensure that the American people will have access to energy storage innovations that enable resilient, flexible, affordable, and secure energy systems and supply, for everyone, everywhere.
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