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Long-Duration Energy Storage

Long-Duration Energy Storage

Funds long-duration energy storage pilots and demonstrations that prove technical and commercial viability.

ClosedOffice of Clean Energy DemonstrationsUnited States

Long-Duration Energy Storage is an Office of Clean Energy Demonstrations program for storage technologies that can support a more reliable clean-energy grid. The official page lists two closed OCED funding rounds: a $349 million Demonstrations Program FOA issued in November 2022 and a $100 million Pilot Program NOFO issued in September 2024. this opportunity folds those rounds into one durable LDE…

Long-duration energy storage demonstrations and pilot projects for grid and energy-system applications.

CycleiHow often this grant runs — e.g. annually, on a rolling basis, or a one-off call.One-off
Next deadlineiThe next date applications are due. Rolling means you can apply any time.—
Decision timeiTypical time from the deadline to the funder's decision.—
Project durationiHow long the funded work is expected to run.—
Award typeiThe form of funding — grant, equity, loan, tax credit, etc.Grant
Match fundingiThe share of project costs you must cover yourself. 0% = fully funded.50%
Funding pooliThe total budget available across all awards in this round.—

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Last verified: 22 Jul 2026Source: www.energy.gov