Storage
LDESIndex.com
Utility-scale long-duration storage
What this title covers
Tracks utility-scale long-duration storage deployments: what is contracted, what is operating, and what the cost of stored energy actually is.
Coverage follows the same standard as every other title in the network: each figure carries its source and its development stage, so a laboratory result is never presented as something you can order. Read the methodology.
- Market
- Storage
- Status
- In development
Market context
How large the storage segment this title covers is, and how fast it is projected to grow.
Storage
- Market size
- USD 3.6 to 4.8 billion (2025)
- Projected
- USD 9.5 to 17.2 billion (2035)
- CAGR
- 10.5% to 13.6% (2026-2035)
The figures cover every long-duration chemistry together, from flow and thermal to compressed air, gravity and metal-air, which is why they are stated in currency while deployment targets for this sector are usually stated in terawatts.
Source: Global Market Insights, Long Duration Energy Storage Market Size & Share 2026-2035 (2026); SNS Insider, Long Duration Energy Storage Market Size (2026). Market forecasts are projections, not measured figures, and estimates differ between agencies.
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