Global Long Duration Energy Storage Market Size & Outlook
Global long duration energy storage market, 2021-2033 (US$M)
Global long duration energy storage market highlights
- The global long duration energy storage market generated a revenue of USD 964.8 million in 2025 and is expected to reach USD 2,720.0 million by 2033.
- The market is expected to grow at a CAGR (2026 - 2033) of 13.9% by 2033.
- In terms of segment, mechanical storage accounted for a revenue of USD 1,094.3 million in 2025.
- Mechanical Storage is the most lucrative technology segment registering the fastest growth during the forecast period.
- In terms of region, North America was the largest revenue generating market in 2025.
Global data book summary
| Market revenue in 2025 | USD 964.8 million |
| Market revenue in 2033 | USD 2,720.0 million |
| Growth rate | 13.9% (CAGR from 2026 to 2033) |
| Largest segment | Mechanical storage |
| Fastest growing segment | Mechanical Storage |
| Historical data covered | 2021 - 2024 |
| Base year for estimation | 2025 |
| Forecast period covered | 2026 - 2033 |
| Quantitative units | Revenue in USD million |
| Market segmentation | Mechanical Storage |
Other key industry trends
- In terms of revenue, the North America accounted for 35.5% of the global long duration energy storage market in 2025.
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Long Duration Energy Storage Market Companies
| Name | Profile | # Employees | HQ | Website |
|---|---|---|---|---|
| Hydrostor | View profile | 51-100 | Toronto, Ontario, Canada, North America | http://www.hydrostor.ca |
| Highview Power | View profile | 51-100 | London, England, United Kingdom, Europe | http://www.highview-power.com |
| Primus Power | View profile | 11-50 | Hayward, California, United States, North America | http://www.primuspower.com |
| Malta | View profile | 11-50 | Cambridge, Massachusetts, United States, North America | https://www.maltainc.com |
| Invinity Energy Systems Plc | View profile | 101-250 | St. Helier, NA - Jersey, Jersey, Europe | https://invinity.com/ |
| Form Energy | View profile | 251-500 | Somerville, Massachusetts, United States, North America | https://www.formenergy.com |
| Energy Vault Holdings Inc | View profile | 183 | 4360 Park Terrace Drive, Suite 100, Westlake Village, CA, United States, 91361 | https://www.energyvault.com |
| Sumitomo Electric Industries Ltd | View profile | 334716 | 4-5-33, Kitahama, Chuo-ku, Osaka, Japan, 541-0041 | http://www.sei.co.jp |
| Siemens Energy AG ADR | View profile | 97000 | Otto-Hahn-Ring 6, Munich, BY, Germany, 81739 | https://www.siemens-energy.com |
Global long duration energy storage market outlook
The databook is designed to serve as a comprehensive guide to navigating this sector. The databook focuses on market statistics denoted in the form of revenue and y-o-y growth and CAGR across the globe and regions. A detailed competitive and opportunity analyses related to long duration energy storage market will help companies and investors design strategic landscapes.
Mechanical storage was the largest segment with a revenue share of 113.42% in 2025. Horizon Databook has segmented the Global long duration energy storage market based on mechanical storage covering the revenue growth of each sub-segment from 2021 to 2033.
- Global Long Duration Energy Storage Technology Outlook (Revenue, USD Million, 2021-2033)
- Mechanical Storage
- Thermal Storage
- Electrochemical Storage
- Chemical Storage
- Global Long Duration Energy Storage Duration Outlook (Revenue, USD Million, 2021-2033)
- 8 to 24 Hours
- 24 to 36 Hours
- >36 Hours
- Global Long Duration Energy Storage Application Outlook (Revenue, USD Million, 2021-2033)
- Grid Management
- Power Backup
- Renewable Energy Integration
- Off Grid & Micro Grid System
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Horizon Databook provides a detailed overview of global-level data and insights on the Global long duration energy storage market , including forecasts for subscribers. This global databook contains high-level insights into Global long duration energy storage market from 2021 to 2033, including revenue numbers, major trends, and company profiles.
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Global long duration energy storage market size, by regions, 2021-2033 (US$M)
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