Cost Projections for Utility-Scale Battery Storage: 2023 Update
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
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 capacity (MW), and duration (hr).
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.
The maximum projection in 2030 did not extend through 2050. One projection showed only a 5.8% cost decline from 2030 to 2050, so we used this as the basis for extending the highest cost 2030 projection through to 2050. In other words, the highest cost projection in 2030 was assumed to decline by 5.8% through 2050.
The U.S. Department of Energy's (DOE) Energy Storage Grand Challenge is a comprehensive program that seeks to accelerate the development, commercialization, and utilization of next-generation energy storage technologies.
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