Additional storage technologies will be added as representative cost and performance metrics are verified. The interactive figure below presents results on the total installed ESS cost ranges by
Costing a venture centered on energy storage varies with numerous factors including technology employed, scale of the project, geographical location, and regula
Around the beginning of this year, BloombergNEF (BNEF) released its annual Battery Storage System Cost Survey, which found that global average turnkey energy storage
This article targets professionals who need actionable data on energy storage costs, whether for grid-scale projects, solar+storage hybrids, or portable systems.
Around the beginning of this year, BloombergNEF (BNEF) released its annual Battery Storage System Cost Survey, which found that global average turnkey energy storage system prices had fallen 40% from
Costing a venture centered on energy storage varies with numerous factors including technology employed, scale of the project, geographical location, and regula
As of October 2025, the average storage system cost in New York is $1463/kWh. Given a storage system size of 13 kWh, an average storage installation in New York ranges in
In this work we describe the development of cost and performance projections for utility-scale lithium-ion battery systems, with a focus on 4-hour duration systems. The projections are
Round-trip efficiency will be included in the Reference Energy Arbitrage Price on a technology-specific basis: 85% for lithium-ion projects, 65% for non-lithium-ion projects, and
Our experts explain why the Index Storage Credit is necessary to incentivize storage deployment and walk through the fundamentals of this incentive framework to help
Round-trip efficiency will be included in the Reference Energy Arbitrage Price on a technology-specific basis: 85% for lithium-ion projects, 65% for non-lithium-ion projects, and 45% for multi-day storage projects.
Our experts explain why the Index Storage Credit is necessary to incentivize storage deployment and walk through the fundamentals of this incentive framework to help storage developers determine their bids in the
As of December 2024, the average total installed costs for front-of-the-meter retail standalone energy storage projects, receiving NYSERDA incentives through money allocated
Home and business buyers typically pay a wide range for Battery Energy Storage Systems (BESS), driven by capacity, inverter options, installation complexity, and local
Additional storage technologies will be added as representative cost and performance metrics are verified. The interactive figure below presents results on the total installed ESS cost ranges by technology, year, power

Storage costs are overnight capital costs for a complete 4-hour battery system. Figure 9. Comparison of cost projections developed in this report (solid lines) against the values from the 2023 cost projection report (Cole and Karmakar 2023) (dashed lines). Figure 10.
Around the beginning of this year, BloombergNEF (BNEF) released its annual Battery Storage System Cost Survey, which found that global average turnkey energy storage system prices had fallen 40% from 2023 numbers to US$165/kWh in 2024.
The lower costs persist through 2050 because of that lower starting point. Table 2. Values from Figure 3 and Figure 4, which show the normalized and absolute storage costs over time. Storage costs are overnight capital costs for a complete 4-hour battery system. Figure 9.
“What we found is that with the 60% tariff, the cost [of a turnkey energy storage system] increases by 60% compared to 2025, so this is quite a big cost jump if the US actually decided to do so,” Kikuma says.
Battery storage costs have evolved rapidly over the past several years, necessitating an update to storage cost projections used in long-term planning models and other activities. This work documents the development of these projections, which are based on recent publications of storage costs.
By definition, the projections follow the same trajectories as the normalized cost values. Storage costs are $147/kWh, $234/kWh, and $339/kWh in 2035 and $108/kWh, $178/kWh, and $307/kWh in 2050. Costs for each year and each trajectory are included in the Appendix, including costs for years after 2050. Figure 4.
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