North America Thermal Energy Storage Market: Comprehensive Analysis and Forecast (2020-2035)
The North America Thermal Energy Storage Market is experiencing robust growth driven by surging demand for sustainable energy solutions, grid modernization efforts, and technological advancements. This comprehensive study analyzes market trends across types, applications, technologies, distribution channels, and key players while providing forecasts from 2020 to 2035. The market is segmented into sensible heat storage, latent heat storage, thermochemical storage, and more. Applications span power generation, heating & cooling, and process heating. The market size, projected at USD 3,520 Million in 2025, is anticipated to expand at a CAGR of 8.9%, reaching approximately USD 8,635 Million by 2035. Major players are driving innovation through strategic alliances, product launches, and sustainable energy initiatives.
Latest Market Dynamics
Key Drivers
- Integration of Renewable Energy Sources: Increased adoption of solar and wind power has led utilities and industries to implement thermal energy storage to optimize grid performance and manage supply variability. For instance, CALMAC (Trane Technologies) has collaborated on several grid-scale storage projects to support renewables integration.
- Rising Demand for Efficient District Heating & Cooling: Urbanization and the need for resilient energy infrastructures are boosting district heating and cooling networks relying on advanced thermal storage. In 2025, Veolia North America expanded its district energy network to incorporate large-scale thermal storage.
Key Trends
- Advancements in Phase Change Materials: Leading companies like Steffes Corporation are innovating with new PCM technologies, improving storage efficiency and commercial viability across various climates.
- Growth of Ice-based Storage in Commercial Buildings: Driven by HVAC efficiency goals, companies such as Baltimore Aircoil Company and Ice Energy have expanded their ice-based products, supporting major commercial real estate and data center projects.
Key Opportunities
- Expansion of Smart Grid and Microgrid Projects: Integration of advanced thermal storage in emerging microgrid projects is a significant opportunity, with Siemens Energy piloting modular storage solutions in North American campuses and urban districts.
- Decarbonization Initiatives by Large Enterprises: Major corporations are committing to net-zero targets, increasing investments in long-duration thermal storage. In 2025, McDermott International undertook large-scale installations with utilities to meet carbon reduction goals.
Key Challenges
- High Initial Capital Costs: Many utilities and commercial users face challenges in financing large storage systems. For example, Abengoa Solar's projects have encountered cost-recovery issues delaying widespread adoption.
- Complex Integration with Legacy Infrastructure: Technical barriers and regulatory uncertainties remain. BrightSource Energy’s ongoing retrofit projects have highlighted difficulties in integrating storage into older grid systems.
Key Restraints
- Limited Awareness and Slow Regulatory Adoption: Despite proven technology, market growth is hampered by fragmented policies. FAFCO and smaller OEMs note project delays due to lengthy permitting processes.
- Material and Supply Chain Constraints: Global shortages of critical components, particularly for molten salt and PCM-based systems, have affected deployment rates. Terrafore Technologies reported supply chain disruptions impacting project timelines.
Market Share by Storage Type (2025)
In 2025, the North America Thermal Energy Storage Market is characterized by a dominant presence of sensible heat storage, capturing 42% of the market share due to its simple technology and cost-effectiveness. Latent heat storage holds 31%, favored for its higher energy density and application in both commercial and residential sectors. Thermochemical storage makes up 16%, offering potential for long-duration applications but facing higher capital requirements. Miscibility gap alloys, ice thermal, and molten salt storage collectively account for the remaining 11%, driven by niche use cases such as peak load balancing and grid-scale renewables integration.
Market Share by Application (2025)
Power generation is the leading application for thermal energy storage in North America, comprising 35% of the market due to the rapid expansion of intermittent renewables. Heating & cooling follows closely at 28%, underscoring demand in urban commercial buildings and district energy systems. Process heating accounts for 17% as manufacturers seek energy cost optimization. District heating & cooling, ice storage, and other uses represent 20%, with growth prospects in data centers and hospitals.
Market Revenue (2020-2035, USD Million)
The North America Thermal Energy Storage Market reported revenue of USD 2,900 Million in 2020, rising to USD 3,520 Million by 2025 on the back of increasing grid modernization projects and renewable energy integration. The market is projected to grow steadily, reaching approximately USD 8,635 Million by 2035. This expansion is underpinned by escalating investments in decarbonization, with surging demand from industrial, commercial, and utility sectors for efficient energy storage solutions that enable flexibility and load management.
Year-over-Year Growth (2020-2035, %)
The North America Thermal Energy Storage Market has maintained a solid year-over-year (YoY) growth rate, averaging 8.2% from 2020-2025. The pace accelerates to nearly 9.7% between 2025 and 2030 as advanced technology deployments gain traction. By 2031-2035, growth stabilizes at around 7.8%, driven by market maturity and sustained investments in smart grids. These rates reflect ongoing policy support, technology innovation, and evolving end-user requirements.
Market Share by Region (2025)
The United States commands the largest market share in North America for thermal energy storage, accounting for 62% of the total revenue in 2025, driven by massive investments in grid resilience and renewable integration. Canada follows with 24%, leveraging district energy developments and governmental support for clean energy. Mexico represents 14%, gradually expanding its renewables sector and grid upgrade projects.
Market Player Share (2025)
Market Buyer Share (2025)
Utility companies represent the largest buyer segment for thermal energy storage in North America, accounting for 40% of purchases in 2025, as they prioritize grid stabilization and peak demand solutions. Industrial end-users hold 28% of the share, followed by commercial buildings at 22%. Residential and others collectively account for 10%, with potential for growth as consumer-focused solutions develop.
Study Coverage
| Metrics | Details |
|---|
| Years | 2020-2035 |
| Base Year | 2025 |
| Market Size | Revenue (USD Million) |
| Regions | United States, Canada, Mexico |
| Segments | By Type (Sensible Heat Storage, Latent Heat Storage, Thermochemical Storage, Ice Thermal Storage, Molten Salt Storage, Miscibility Gap Alloy Storage), By Application (Power Generation, Heating & Cooling, Process Heating, District Heating & Cooling, Ice Storage, Others) |
| Players | CALMAC (Trane Technologies), Burns & McDonnell, Chicago Bridge & Iron Company (McDermott International), Abengoa Solar, BrightSource Energy, Siemens Energy, FAFCO, Ice Energy, SolarReserve, DN Tanks, Baltimore Aircoil Company, Steffes Corporation, Terrafore Technologies, Evapco, Caledonian Piping Corporation |
Key Recent Developments
- June 2024: Siemens Energy successfully commissioned a new modular molten salt storage system for a utility in Texas, enabling higher renewable integration.
- July 2024: CALMAC announced a partnership with a leading Canadian district energy provider to deploy advanced chilled water storage.
- August 2024: McDermott International launched a turnkey thermal storage EPC service optimized for large-scale utility applications in California.
- September 2024: Steffes Corporation introduced next-generation phase change material storage solutions for commercial HVAC customers in New York.
- October 2024: Baltimore Aircoil Company expanded its manufacturing facility in Illinois to meet the increased demand for ice-based thermal storage units.
