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電池能源儲存

市場調查報告書

商品編碼

2148235

壓縮空氣儲能市場規模、佔有率及成長預測（2026-2032 年）

Compressed Air Energy Storage Market Size, Share & Growth Forecast (2026-2032)

出版日期: 2026年09月28日 | 出版商:

Knowledge Sourcing Intelligence | 英文 153 Pages | 商品交期: 最快1-2個工作天內

價格

簡介目錄

預計到 2026 年，壓縮空氣儲能 (CAES) 市場規模將達到 11 億美元，到 2032 年將達到 34.5 億美元。這意味著在預測期內，複合年成長率將達到 21.0%。

壓縮空氣儲能（CAES）的性能取決於壓縮熱的管理方式和空氣的儲存位置。在傳統的非隔熱系統中，壓縮空氣在儲存前會被冷卻，並在釋放過程中利用燃料重新加熱。相較之下，隔熱系統將壓縮熱儲存在儲熱裝置中，並在膨脹前將熱量釋放回空氣。這使得發電循環無需輔助燃燒即可運作。先進的改進方案結合了準等溫壓縮、水基溫度控管、人工岩洞或液體活塞系統，以提高安裝的柔軟性和效率。西門子能源目前提供非絕熱和絕熱兩種壓縮空氣儲能配置。中國領先的CAES開發公司Hydrostor以及新興的模組化供應商正在探索不同的熱回收和儲能壓力管理方法。儲能地質仍是重要的經濟因素。透過溶液開採獲得的鹽穴因其容量大、洩漏少、循環利用率高等優點而備受青睞。然而，合適的鹽穴地質條件在地理上較為有限，而且鹽穴開發耗時較長。同時，Hydrostor公司採用專門建造的地下儲能設施，具備靜水壓力補償功能。有些新型系統則針對地面或模組化壓力容器。隨著專案從「世界首創」階段過渡到部署階段，市場可能會出現兩極化：一方面是用於大規模電網儲能的超大型儲能電站，另一方面是用於工業場所、孤島以及受限電網的小規模儲能系統。

市場促進因素

電網營運商需要比傳統電池產品更長的儲能時長。隨著風能、太陽能和資料中心需求的快速成長，電力供需失衡的時期也不斷延長。 4 小時的電池在一天內仍能有效調整供需。在可再生能源採用率較高的電網中，需要儲備資源來應對夜間需求的劇烈波動、持續數小時的輸電限制以及可再生的時期。壓縮空氣儲能（CAES）可以透過增加洞穴和水庫的容量來擴大儲能容量，而無需對電力基礎設施進行大規模改造。 Hydrostor 公司的「Willow Rock」儲能系統設計時長為 8 小時。 Storelectric 公司的「TeesCAES」儲能系統目標時長為 30 小時。 Cache Power 公司正在開發一種時長可達 48 小時或更長的儲能系統。這表明，該技術正在向傳統鋰離子電池系統在經濟上不適用的儲能長度領域發展。
300MW級商業項目降低了技術風險。中國的大型計畫顯著改變了壓縮空氣儲能的示範基地。 2025年1月，中國能源建設Group Limited宣布，其採用先進非輔助燃燒壓縮空氣儲能設計的300MW「能初一號」電站已投入滿載商業營運。中初國能已在張家口建成100MW示範項目，在肥城建成300MW示範項目。此外，還有更多項目正在規劃或建設中。 2026年6月，中國能源建設Group Limited的子公司宣布，已得標內蒙古一個1050MW項目（包含三台350MW機組）的工程總承包（EPC）合約。這些項目支援大規模的設備、可複製的工程方案以及更成熟的國內供應鏈。
由於資產壽命長且設備維護良好，基於基礎設施的所有權模式非常適用。壓縮空氣儲能（CAES）利用壓縮機、渦輪機、發電機、熱交換器、壓力系統和地下儲能結構，所有這些零件都可以在較長的運作內進行維護和維修。西門子能源目前正在為PowerSouth公司對一座110兆瓦的麥金托什（McIntosh）CAES電站進行現代化改造，目標是將運作使用壽命延長約30年。 Hydrostor公司正在設計其A-CAES項目，該項目基於超過50年的資產壽命。對於電力公司和長期資產所有者而言，當數十年的可靠供給能力比快速的技術更新換代更受重視時，這種基礎設施模式就顯得極具吸引力。
發電限制和電網擁塞提升了大規模儲能的價值。大規模壓縮空氣儲能（CAES）設施能夠在電網受限或批發價格低迷時期吸收大量可再生能源發電。西門子能源將CAES定位為吸收原本會受到發電限制的可再生能源電力的手段。 Hydrostor則將其專案與可再生能源併網和電網最佳化相結合。同樣，在中國，隨著風能和太陽能發電設施的快速擴張，新的CAES電站也在興建中。因此，其經濟價值不僅限於能源套利，也體現在供給能力、備用容量、緩解電網擁塞、穩定可再生能源、延緩電網投資等領域。

市場限制因素

與貨櫃式儲能電池相比，壓縮空氣儲能（CAES）專案開發週期更長，需要更詳細的場地特定設計。施工前，必須協調地質勘測、洞穴授權、壓縮和膨脹設備、熱力系統、電網連接以及位置等工作。鹽洞計畫依賴於合適的地質條件。人工洞穴系統則需要大規模的地下開挖。這些要求增加了開發風險，專案進度更容易受到授權、地下條件和當地基礎設施的影響。
效率和電站複雜程度會因架構的不同而顯著差異。傳統的非絕熱電站在放電過程中會消耗燃料，而現代絕熱系統則必須有效地儲存和回收熱量以避免這種需求。在首批此類專案中，大規模壓縮空氣儲能電站可能面臨成本不確定性，因為它們整合了多個工業供應鏈中的設備，而不是單一的標準化電池組。因此，企劃案融資將依賴合約規定的容量付款、收費環網或購電合約、已驗證的運轉率以及可靠的長期服務計劃。來自鋰離子電池、抽水蓄能、液流電池和其他長期儲能技術的競爭仍然激烈。當不具備建造壓縮空氣儲能電站的適宜地質條件或儲能時間不足八小時時，這種競爭尤其明顯。

促進因素
- 電網儲能的需求持續時間從幾小時到幾天不等。
- 300MW級壓縮空氣儲能系統的商業化部署
- 資產和基礎設施類型的所有權的長期使用壽命
- 可再生能源發電量削減和輸電限制
抑制因子
- 地質和位置特定開發要求
- 許可證辦理和施工週期持續時間
- 世界首創項目的成本和資金籌措風險
- 來自電池、抽水蓄能水力發電和其他長時儲能（LDES）技術的競爭。

第11章競爭格局

正在開發實用規模的先進壓縮空氣儲能系統的公司
CAES設備和地面設備供應商
處於研發和試點階段的技術公司
生態系統合作夥伴和資產管理公司

第12章：公司簡介

Hydrostor Inc.
Zhongchu Guoneng（Beijing）Technology Co., Ltd.
China Energy Engineering Corporation Limited
Siemens Energy AG
Cache Power Corp.
Storelectric Ltd.
Airengy Tech Ltd.
Keep Energy Systems

第13章近期趨勢

第14章附錄

簡介目錄

The Compressed Air Energy Storage Market is estimated at USD 1.10 billion in 2026 and is projected to reach USD 3.45 billion by 2032, representing a CAGR of 21.0% during the forecast period.

Compressed Air Energy Storage (CAES) performance depends on how compression heat is managed and where the air is stored. Traditional diabatic systems cool the compressed air before storage and use fuel to reheat it during discharge. Adiabatic systems capture compression heat in a thermal store and return that heat to the air before expansion. This allows the power cycle to operate without supplementary combustion. Advanced variants combine near-isothermal compression, water-based heat management, engineered rock caverns or liquid-piston arrangements to improve siting flexibility and efficiency. Siemens Energy currently offers both diabatic and adiabatic compressed air energy storage configurations. Hydrostor, Chinese advanced-CAES developers and emerging modular suppliers pursue different approaches to heat recovery and storage pressure management. Storage geology remains an important economic variable. Solution-mined salt caverns are attractive because they can provide large volumes, low leakage and high cycling capability. Suitable formations are geographically constrained and cavern development takes time. Hydrostor instead uses purpose-built underground caverns with hydrostatic compensation. Some emerging systems target above-ground or modular pressure vessels. As projects move beyond first-of-a-kind deployment, the market is likely to separate into very large cavern-based plants for bulk grid storage and smaller engineered systems for industrial sites, islands and constrained grids.

Market Drivers

Grid operators need storage durations beyond conventional battery portfolios. Rapid growth in wind, solar and data-centre demand increases the number of hours in which electricity supply and demand can diverge. Four-hour batteries remain effective for intraday balancing. Grids with deeper renewable penetration also require resources that can cover long evening ramps, multi-hour transmission constraints and periods of low renewable output. CAES can scale energy capacity by increasing cavern or reservoir volume while keeping much of the power equipment unchanged. Hydrostor's Willow Rock is designed for eight hours. Storelectric's TeesCAES targets 30 hours. Cache Power is developing more than 48 hours of storage. This shows how the technology is moving into duration bands that are difficult to serve economically with conventional lithium-ion systems.
Commercial 300 MW-class projects reduce technology risk. Large projects in China have materially changed the evidence base for compressed air energy storage. China Energy Engineering Corporation reported full-capacity commercial operation of its 300 MW Nengchu-1 plant in January 2025 using a non-supplementary-combustion advanced CAES design. Zhongchu Guoneng has completed both a 100 MW demonstration in Zhangjiakou and a 300 MW demonstration in Feicheng. Additional projects are planned or under construction. In June 2026, a China Energy Engineering subsidiary reported winning the engineering, procurement and construction contract for a 1,050 MW project in Inner Mongolia comprising three 350 MW units. These projects support larger equipment trains, repeatable engineering packages and a more mature domestic supply chain.
Long asset life and mechanical equipment support infrastructure-style ownership. CAES uses compressors, turbines, generators, heat exchangers, pressure systems and underground storage structures that can be maintained and refurbished over long operating lives. Siemens Energy is currently modernising the 110 MW McIntosh CAES plant for PowerSouth with the objective of extending operation for approximately three decades. Hydrostor designs its A-CAES projects around 50-year-plus asset lives. This infrastructure profile can be attractive to utilities and long-term asset owners where the revenue model rewards dependable capacity over decades rather than rapid technology turnover.
Curtailment and transmission congestion improve the value of bulk storage. Large CAES facilities can absorb substantial blocks of renewable output during periods when transmission is constrained or wholesale prices are weak. Siemens Energy positions CAES specifically for absorbing renewable electricity that would otherwise be curtailed. Hydrostor links its projects to renewable integration and transmission optimisation. China's new plants are similarly being developed in regions with rapidly expanding wind and solar fleets. The economic value therefore extends beyond energy arbitrage to capacity, reserve, congestion relief, renewable firming and deferred grid investment.

Market Restraints

CAES projects have long development cycles and require more site-specific engineering than containerised batteries. Geological characterisation, cavern permitting, compression and expansion equipment, thermal systems, electrical interconnection and civil works must be coordinated before construction. Salt-cavern projects depend on suitable geology. Engineered-cavern systems require major underground excavation. These requirements can increase development risk and make project schedules sensitive to permitting, subsurface conditions and local infrastructure.
Efficiency and plant complexity also vary substantially by architecture. Legacy diabatic plants use fuel during discharge. Modern adiabatic systems must store and recover heat effectively to avoid that requirement. First-of-a-kind projects can face cost uncertainty because large CAES plants combine equipment from several industrial supply chains rather than a single standardised battery block. Project finance will therefore depend on contracted capacity payments, tolling or offtake arrangements, demonstrated availability and credible long-term service plans. Competition from lithium-ion, pumped hydro, flow batteries and other long-duration technologies remains significant. This is particularly true where CAES geology is unavailable or storage duration is below eight hours.

Technology and Segment Insights

Advanced and adiabatic CAES is the main growth segment as new projects seek fuel-free operation and higher round-trip efficiency. This category includes thermal-storage-assisted adiabatic systems, hydrostatically compensated advanced CAES and newer non-supplementary-combustion Chinese designs. The segment is projected to expand at approximately 23.8% CAGR during 2026-2032 as large projects move from demonstration into repeat deployment. Diabatic CAES remains commercially relevant through the Huntorf and McIntosh installed base. It can still be attractive where natural-gas infrastructure already exists. Most greenfield utility-scale development is moving toward lower-emission architectures.
Isothermal and hybrid thermo-mechanical approaches represent a smaller but strategically important development category. Airengy combines compressed-air storage in caverns with a proprietary hydraulic energy-conversion system. Keep Energy Systems stores electricity as both compressed air and heat using repurposed engine architectures. These systems remain pilot or pre-commercial. They should not be compared directly with operating 100-300 MW plants. They may expand CAES into modular or multi-day applications if current demonstrations scale successfully.
Diabatic CAES rejects compression heat and reheats air before expansion. It typically requires natural gas or another fuel. Its commercial direction is legacy salt-cavern plants, modernisation and selected new projects. Its 2026-2032 outlook is a stable installed base with slower greenfield growth. Adiabatic and advanced CAES captures and reuses compression heat, or uses advanced thermal integration. It requires no supplementary combustion in leading new designs. Its commercial direction is utility-scale 8-30+ hour storage. It is the largest and fastest-growing commercial category. Hydrostatically compensated A-CAES stores heat separately and uses water pressure to maintain cavern pressure. It requires no supplementary fuel. Its commercial direction is large engineered underground caverns. It has a late-stage commercial project pipeline. Isothermal and hydraulic CAES manages heat transfer during compression and expansion. It is designed for fuel-free operation. Its commercial direction is cavern-based multi-day storage. It is at pilot and pre-commercial scale-up. Hybrid thermo-mechanical CAES combines compressed air with thermal storage. It uses a fuel-free design. Its commercial direction is modular 5-20 hour applications. It is at prototype and demonstration stage.
The market is segmented by technology architecture, storage reservoir, storage duration, application, end user and geography. Technology architectures include diabatic CAES, adiabatic CAES, advanced and non-supplementary-combustion CAES, hydrostatically compensated A-CAES, and isothermal and hybrid thermo-mechanical CAES. Storage reservoirs include salt caverns, mined and engineered rock caverns, above-ground pressure storage, and other geological reservoirs. Storage durations include 4-8 hours, above 8-24 hours, and above 24 hours. Applications include renewable energy firming and curtailment reduction, capacity and peak shifting, transmission congestion management, ancillary services and grid reserves, and industrial and remote grid storage. End users include utilities and independent power producers, renewable energy developers, grid and transmission operators, and industrial energy users.
Advanced and adiabatic CAES architectures are estimated to account for approximately 58% of 2026 market revenue as new projects move away from fuel-dependent legacy cycles. China has moved CAES into 300 MW-class commercial operation and is developing several larger projects. This makes Asia Pacific the largest near-term deployment region. Hydrostor is progressing 500 MW and 4,000 MWh Willow Rock with permitting, offtake and financing milestones during 2025-2026. Very-long-duration projects are widening the addressable use case. These include Cache Power's 48-hour-plus project and Airengy's multi-day cavern-based development pathway. The competitive landscape remains relatively concentrated. Only eight companies pass the current KSI validation gate as direct CAES suppliers or active project and technology developers.

Competitive and Strategic Outlook

The CAES competitive landscape is narrower than general long-duration energy storage. A company must combine exact CAES technology, project-development capability or dedicated CAES equipment supply with current activity. Eight companies meet the current KSI validation gate. China Energy Engineering Corporation and Zhongchu Guoneng have the strongest recent evidence at operating 100-300 MW scale. Hydrostor has the most advanced non-Chinese A-CAES project pipeline. Siemens Energy provides complete surface-plant CAES engineering, turbomachinery and lifecycle service capability. Cache Power and Storelectric are active project developers with large permitted or policy-supported projects. Airengy Tech and Keep Energy Systems remain pilot or pre-commercial technology developers.
Utilities and project partners are separated from competitors. Uniper and PowerSouth are important CAES asset operators but are not included as technology suppliers. Hatch, EllisDon, Hitachi Energy, Nobian and other engineering, construction, grid-infrastructure or cavern partners are treated as ecosystem participants unless they directly supply or develop the CAES system. Corre Energy is not retained as a current competitor because its UK entity entered administration in May 2025. Older inactive or liquidating CAES developers are likewise excluded rather than used to inflate the company list.
Hydrostor is an advanced compressed air energy storage developer and operator using hydrostatically compensated underground caverns. It is a commercial supplier and project developer. Its current validation evidence includes the 500 MW and 4,000 MWh Willow Rock late-stage project and 2026 offtakes, financing and Silver City grid progress. Zhongchu Guoneng is an advanced CAES research and development, design, core equipment, engineering, investment and operation company. It is a commercial technology developer and integrator. The Institute of Engineering Thermophysics confirms completed 100 MW and 300 MW projects and a pipeline exceeding 5,000 MW. China Energy Engineering Corporation is a large-scale advanced CAES technology development, investment, engineering, procurement and construction and system integration company. It is a commercial technology developer and integrator. Its 300 MW Nengchu-1 entered commercial operation in 2025 and it reported a 1,050 MW project engineering, procurement and construction win in June 2026. Siemens Energy provides CAES surface plant, compressor and expansion trains, engineering, procurement and construction, start-up and lifecycle service. It is a commercial equipment and solution supplier with a current CAES product portfolio and the 2025 PowerSouth McIntosh modernisation order. Cache Power is a developer of cavern-based utility-scale CAES in Alberta. It is a development-stage project developer. Its 320 MW and 15,360 MWh Phase 1 has approvals, a transmission process and 2025-2026 project activity. Storelectric is a salt-cavern CAES project developer for long-duration grid storage. It is a development-stage project developer. Its 50 MW and 30-hour TeesCAES progressed through the UK long-duration energy storage support process and it completed Teesside site acquisition in July 2026. Airengy Tech provides AirBattery compressed-air power plant technology using underground caverns and hydraulic conversion. It is a pilot and pre-commercial developer. It was renamed from Augwind in February 2026. It has a 250 kW operating plant plus 2026 Denmark and Romania development agreements. Keep Energy Systems provides modular thermo-mechanical storage combining compressed air and heat. It is a pilot and demonstration-stage developer. It has an operational Nottingham prototype and a UK-funded demonstrator and 5-20 hour product development active in 2026.
Asia Pacific is the largest near-term opportunity because China has moved advanced CAES into commercial 300 MW-class operation and is building a domestic equipment and project-development ecosystem. The Nengchu-1 project in Hubei began commercial operation in January 2025. Zhongchu Guoneng reports completed 100 MW and 300 MW advanced CAES plants and more than 5,000 MW of projects under construction or in planning. In June 2026, a China Energy Engineering subsidiary announced an engineering, procurement and construction win for a 1,050 MW and 4,200 MWh project in Inner Mongolia using three 350 MW non-supplementary-combustion units and engineered underground caverns. The combination of renewable build-out, regional curtailment, large state-backed infrastructure programmes and an increasingly localised turbomachinery supply chain supports continued deployment.
Australia also contributes to the regional opportunity through Hydrostor's Silver City project in New South Wales, which has continued to progress through financing and grid-connection milestones. Japan, South Korea and India have smaller near-term CAES pipelines but possess relevant compressor, turbine, thermal-equipment, engineering, procurement and construction and power-system capabilities. Their adoption will depend on local geology, duration requirements and the economics of alternative storage technologies. North America is the second major development cluster through Hydrostor and Cache Power. Europe combines the operating Huntorf asset with Storelectric's TeesCAES, Siemens Energy's CAES supply capability and new pre-commercial cavern programmes from Airengy.
Recent developments confirm accelerating market activity. In September 2026, Hydrostor reported grid-connection approval for the Silver City Energy Storage Centre in New South Wales, continuing development of its A-CAES portfolio. In September 2026, the Alberta Electric System Operator advanced consideration of the transmission connection for Cache Power's Marguerite Lake CAES project. In August 2026, Hydrostor secured USD 230 million to progress advanced compressed air energy storage projects and signed an additional 60 MW Willow Rock offtake agreement with Clean Energy Alliance. In July 2026, Storelectric completed acquisition of its Teesside site for long-duration storage projects after TeesCAES, a 50 MW 30-hour CAES project, was included in Ofgem's minded-to decision list. In July 2026, Airengy and Nobian began evaluating AirBattery compressed-air storage in a Danish salt cavern, adding to Airengy's European project-development programme. In June 2026, a China Energy Engineering subsidiary reported winning the engineering, procurement and construction contract for a 1,050 MW and 4,200 MWh compressed air energy storage project in Inner Mongolia. In January 2025, China Energy Engineering Corporation reported that the 300 MW Nengchu-1 advanced CAES plant in Hubei entered commercial operation.

Conclusion

The compressed air energy storage market is growing steadily as grid operators seek multi-hour and multi-day storage beyond conventional battery portfolios. Growth is driven by the need for long-duration grid storage, commercial 300 MW-class deployment in China, long asset life and renewable curtailment and transmission constraints. Advanced and adiabatic CAES forms the largest and fastest-growing commercial category. Diabatic CAES remains relevant through the installed base and selected new projects. Asia Pacific leads near-term deployment. North America and Europe are also developing project pipelines. Geology and site-specific development requirements, long permitting cycles and first-of-a-kind project cost and finance risk remain the key restraints. The market is projected to grow from USD 1.10 billion in 2026 to USD 3.45 billion by 2032 at a CAGR of 21.0%.

Key Benefits of this Report

Insightful Analysis: Detailed market insights across regions, customer segments, policies, socio-economic factors, consumer preferences, and industry verticals.
Competitive Landscape: Understand strategic moves by key players to identify optimal market entry approaches.
Market Drivers and Future Trends: Assess major growth forces and emerging developments shaping the market.
Actionable Recommendations: Support strategic decisions to unlock new revenue streams.
Caters to a Wide Audience: Suitable for startups, research institutions, consultants, SMEs, and large enterprises.

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Report Coverage

Historical data from 2021 to 2024, Base year 2025, and Forecast years from 2026 to 2032
Growth opportunities, challenges, supply chain outlook, regulatory framework, and trend analysis
Competitive positioning, strategies, and market share evaluation, and trade analysis
Revenue growth and forecast assessment across segments and regions
Company profiling including strategies, products, financials, and key developments

1. Executive Summary

1.1. Market Opportunity and Key Findings
1.2. Commercialisation and Deployment Outlook
1.3. Long-Duration Grid Storage Role

2. Market Overview

2.1. Compressed Air Energy Storage Fundamentals
2.2. Compression, Storage and Expansion Cycle
2.3. Thermal Management and Round-Trip Efficiency
2.4. Underground Caverns and Engineered Storage Reservoirs

3. Market Size and Forecast, 2026-2032

3.1. Global Market Revenue
3.2. Annual Growth Analysis
3.3. Project Pipeline and Revenue Timing

4. Market by Technology Architecture

4.1. Diabatic CAES
4.2. Adiabatic CAES
4.3. Advanced / Non-Supplementary-Combustion CAES
4.4. Hydrostatically Compensated A-CAES
4.5. Isothermal and Hybrid Thermo-Mechanical CAES

5. Market by Storage Reservoir

5.1. Salt Caverns
5.2. Mined and Engineered Rock Caverns
5.3. Above-Ground Pressure Storage
5.4. Other Geological Reservoirs

6. Market by Storage Duration

6.1. 4-8 Hours
6.2. Above 8-24 Hours
6.3. Above 24 Hours

7. Market by Application

7.1. Renewable Energy Firming and Curtailment Reduction
7.2. Capacity and Peak Shifting
7.3. Transmission Congestion Management
7.4. Ancillary Services and Grid Reserves
7.5. Industrial and Remote Grid Storage

8. Market by End User

8.1. Utilities and Independent Power Producers
8.2. Renewable Energy Developers
8.3. Grid and Transmission Operators
8.4. Industrial Energy Users

9. Regional Market

9.1. Asia Pacific
- 9.1.1. China
- 9.1.2. Australia
- 9.1.3. Japan
- 9.1.4. South Korea
- 9.1.5. India
9.2. North America
- 9.2.1. United States
- 9.2.2. Canada
9.3. Europe
- 9.3.1. Germany
- 9.3.2. United Kingdom
- 9.3.3. Rest of Europe
9.4. Rest of World

10. Market Dynamics

10.1. Drivers
- 10.1.1. Need for Multi-Hour and Multi-Day Grid Storage
- 10.1.2. Commercial 300 MW-Class CAES Deployment
- 10.1.3. Long Asset Life and Infrastructure-Style Ownership
- 10.1.4. Renewable Curtailment and Transmission Constraints
10.2. Restraints
- 10.2.1. Geology and Site-Specific Development Requirements
- 10.2.2. Long Permitting and Construction Cycles
- 10.2.3. First-of-a-Kind Project Cost and Finance Risk
- 10.2.4. Competition from Batteries, Pumped Hydro and Other LDES Technologies