Energy Storage Reports and Data. The following resources provide information on a broad range of storage technologies. General. U.S. Department of Energy's Energy Storage Valuation: A Review of Use Cases and Modeling Tools; Argonne National Laboratory's Understanding the Value of Energy Storage for Contact online >>
Energy Storage Reports and Data. The following resources provide information on a broad range of storage technologies. General. U.S. Department of Energy''s Energy Storage Valuation: A Review of Use Cases and Modeling Tools; Argonne National Laboratory''s Understanding the Value of Energy Storage for Reliability and Resilience Applications
Long-Duration Storage Shot: Reducing grid-scale storage costs by 90% within the decade for systems that deliver 10+ hours through a variety efforts coordinated by the ESGC. The Office of Electricity''s (OE) Energy Storage Division accelerates bi-directional electrical energy storage technologies as a key component of the future-ready grid.
• Worldwide electricity storage operating capacity totals 159,000 MW, or about 6,400 MW if pumped hydro storage is excluded. The DOE data is current as of February 2020 (Sandia 2020). • Pumped hydro makes up 152 GW or 96% of worldwide energy storage capacity operating today.
The DOE Global Energy Storage Database provides research-grade information on grid-connected energy storage projects and relevant state and federal policies. All data can be exported to Excel or JSON format. As of September 22, 2023, this page serves as the official hub for The Global Energy Storage Database.
The Office of Electricity''s (OE) Energy Storage Division''s research and leadership drive DOE''s efforts to rapidly deploy technologies commercially and expedite grid-scale energy storage in meeting future grid demands. The Division advances research to identify safe, low-cost, and earth-abundant elements for cost-effective long-duration energy storage. OE''s development of innovative tools improves storage reliability and safety, analysis, and performance validation.
Today, the power sector is responsible for one third of domestic emissions. Successfully decarbonizing requires a transition from fossil-fuels-based generation assets to carbon-free power sources such as renewables (e.g., wind, solar) and nuclear. Since variable renewables cannot be turned on and off to meet peak demand in the same manner as fossil-fuels-based generation assets, the grid will need a new way of providing flexibility and reliability.
Long Duration Energy Storage (LDES) is a key option to provide flexibility and reliability in a future decarbonized power system. LDES includes several technologies that store energy over long periods for future dispatch. The Pathways report organizes LDES market by duration of dispatch into four segments: short duration, inter-day LDES, multi-day / week LDES, and seasonal shifting. This report focuses on those two intermediate duration market segments—inter-day and multi-day / week LDES.
While meeting this requirement requires significant levels of investment, analysis shows that, by 2050, net-zero pathways that deploy LDES result in $10-20B in annualized savings in operating costs and avoided capital expenditures compared to pathways that do not.
The focus of this commercialization effort is to understand the challenges, solutions, and potential long-run benefits of LDES achieving technology "liftoff" by 2030. "Liftoff" is defined as the point where the LDES industry becomes a largely self-sustaining market that does not depend on significant levels of public capital and instead attracts private capital with a wide range of risk.
Improvements in technology performance and cost curves, market and regulatory mechanisms, and supply chain development and planning are needed in the immediate and near term to achieve commercial liftoff.
To be competitive with alternative options, LDES technology costs should come down by 45–55% by 2028-2030 relative to costs reported by leading technologies today, and both the performance (measured by roundtrip efficiency – RTE) and the working lifetime of LDES technologies would also improve.
* Technology improvement and compensation goals outlined in this report are in-line with existing DOE Energy Storage Grand Challenge (ESGC) goals of $0.05/kWh for long-duration stationary applications.
Demonstration and deployment projects – primarily deployed by utilities, developers, and Independent Power Producers with the support of outside funding— are essential for achieving these technology cost-curve and performance improvements. To reach liftoff, LDES technologies could go through three phases of commercialization with in-field projects:
The timing of LDES manufacturing and deployment capacity expansion is linked to renewables penetration. As renewables adoption grows in select markets, the need for grid integration and flexibility services follows. Bringing down supply-chain-formation-related costs requires repeat deployments of the same technologies suggesting the potential need to identify leading technologies early to enable scaled manufacturing. At least 3 GW of annual LDES manufacturing and deployment capacity will be required per year by 2030 (compared to <1 GW in 2022), and up to 10–15 GW by 2035.
Workforce will be the most significant risk to deployment, as most forms of LDES are highly engineering and construction intensive. Active planning such as expansion of on-the-job training and registered apprenticeship programs, project hybridization and modular project deployment can preclude gaps.
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