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
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4 FAQs about How much does it cost to store electricity with vanadium batteries
What is the difference between a lithium ion battery and a vanadium electrolyte?
The vanadium electrolyte retains a positive end of life value which can be used to offset any recycling costs. In contrast, the lithium ion battery, assumed to be LFP which accounts for most sales today, has end-of-life costs which push LCOS up by $6/MWh. Finally, there is some difference in efficiency costs as well.
Does battery storage cost reduce over time?
The projections are developed from an analysis of recent publications that include utility-scale storage costs. The suite of publications demonstrates wide variation in projected cost reductions for battery storage over time.
Are battery storage costs based on long-term planning models?
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.
Are there any vanadium flow batteries in the United States?
The United States has some vanadium flow battery installations, albeit at a smaller scale. One is a microgrid pilot project in California that was completed in January 2022.
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