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    Thermal Energy Storage Market

    ID: MRFR/E&P/1772-HCR
    132 Pages
    Chitranshi Jaiswal
    October 2025

    Thermal Energy Storage Market Research Report By Technology (Molten Salt Storage, Water Thermal Storage, Phase Change Materials, Ice Storage), By Storage Capacity (Less than 100 MWh, 100-500 MWh, 500-1000 MWh, More than 1000 MWh), By Application (District Heating, Industrial Processes, Concentrated Solar Power, Building Heating and Cooling), By Material Used (Concrete, Steel, Natural Materials, Composite Materials) and By Regional (North America, Europe, South America, Asia Pacific, Middle East and Africa) - Forecast to 2035

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    Thermal Energy Storage Market Infographic
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    Thermal Energy Storage Market Summary

    As per Market Research Future Analysis, the Global Thermal Energy Storage Market was valued at 267.39 USD Billion in 2024 and is projected to grow to 1268.25 USD Billion by 2035, reflecting a CAGR of 15.20% from 2025 to 2035. The market is driven by the rising demand for renewable energy solutions and supportive government policies promoting energy efficiency. Key technologies include Molten Salt Storage, Water Thermal Storage, and Phase Change Materials, each contributing to the market's expansion.

    Key Market Trends & Highlights

    The thermal energy storage market is evolving with significant trends and opportunities.

    • Thermal Energy Storage Market Size in 2024: 267.39 USD Billion.
    • Molten Salt Storage expected to grow from 1.25 USD Billion in 2024 to 3.0 USD Billion by 2035.
    • Water Thermal Storage projected to increase from 1.4 USD Billion in 2024 to 3.5 USD Billion by 2035.
    • Government initiatives globally are enhancing market growth through funding and incentives.

    Market Size & Forecast

    2024 Market Size USD 267.39 Billion
    2035 Market Size USD 1268.25 Billion
    CAGR (2025-2035) 15.20%

    Major Players

    Key Companies include Tessera Solar, UTC Power, Bell and Gossett, Toshiba Energy Systems, Abengoa, CPS Energy, Steag Energy Services, EnergyNest, Hitecprod, GreenFire Energy, MHI Thermal Systems, Magma Energy, and Storfinity.

    Thermal Energy Storage Market Trends

    Governments in different parts of the world are offering incentives and regulatory assistance for thermal energy storage installations to help local economies and bring in investments. Also, the fact that more and more people and organizations are becoming conscious of environmentally friendly practices is driving market expansion as they look for solutions that not only satisfy their energy demands but also help protect the environment.

    The worldwide market for thermal energy storage systems is growing because of this collective push towards cleaner energy solutions. This shows that there is a big shift towards more sustainable energy systems.

     

    The Global Thermal Energy Storage Market is poised for substantial growth as nations increasingly prioritize energy efficiency and sustainability in their energy policies.

    U.S. Department of Energy

    Thermal Energy Storage Market Drivers

    Increasing Energy Storage Needs

    The rising demand for energy storage solutions, driven by the need for grid stability and reliability, is a crucial factor in the Global Thermal Energy Storage Market Industry. As energy consumption patterns evolve, utilities are increasingly seeking effective storage options to manage peak loads and ensure consistent energy supply. Thermal energy storage systems, which can store excess energy during low-demand periods and release it during peak times, are becoming increasingly attractive. This shift is expected to propel the market forward, aligning with the projected growth trajectory and the anticipated market value of 5.15 USD Billion in 2024.

    Government Incentives and Policies

    Government initiatives aimed at promoting energy efficiency and sustainability are pivotal for the Global Thermal Energy Storage Market Industry. Various countries are implementing financial incentives, tax credits, and grants to encourage the adoption of thermal energy storage systems. For example, the U.S. Department of Energy has launched programs to support research and development in energy storage technologies. Such policies not only stimulate market growth but also enhance public awareness regarding the benefits of thermal energy storage, contributing to a projected market value of 12 USD Billion by 2035.

    Growing Demand for Renewable Energy

    The increasing global emphasis on renewable energy sources is a primary driver for the Global Thermal Energy Storage Market Industry. As countries strive to meet their carbon reduction targets, the integration of thermal energy storage systems becomes essential for balancing supply and demand. For instance, solar thermal energy systems, which utilize thermal storage, are gaining traction in regions with high solar irradiance. This trend is reflected in the projected market value of 5.15 USD Billion in 2024, indicating a robust growth trajectory as investments in renewable technologies continue to rise.

    Market Trends and Growth Projections

    The Global Thermal Energy Storage Market Industry is poised for substantial growth, with projections indicating a market value of 5.15 USD Billion in 2024 and a remarkable increase to 12 USD Billion by 2035. This growth is underpinned by a compound annual growth rate of 7.99% from 2025 to 2035, reflecting the increasing adoption of thermal energy storage solutions across various sectors. Key trends include the rising demand for renewable energy integration, advancements in storage technologies, and supportive government policies, all contributing to a dynamic and evolving market landscape.

    Integration with Smart Grid Technologies

    The integration of thermal energy storage systems with smart grid technologies is enhancing the operational efficiency of the Global Thermal Energy Storage Market Industry. Smart grids facilitate real-time monitoring and management of energy resources, allowing for optimized energy distribution and consumption. This synergy not only improves the reliability of energy supply but also supports the integration of renewable energy sources. As smart grid technologies continue to evolve, the demand for thermal energy storage solutions is likely to increase, further driving market growth and contributing to the projected market value of 12 USD Billion by 2035.

    Technological Advancements in Storage Solutions

    Technological innovations in thermal energy storage solutions are significantly influencing the Global Thermal Energy Storage Market Industry. Enhanced materials and methods, such as phase change materials and advanced insulation techniques, are improving the efficiency and cost-effectiveness of storage systems. These advancements not only reduce operational costs but also extend the lifespan of storage solutions. As a result, the market is expected to witness a compound annual growth rate of 7.99% from 2025 to 2035, reflecting the industry's adaptability to emerging technologies and the growing need for efficient energy management.

    Market Segment Insights

    Thermal Energy Storage Market Technology Insights

    The Thermal Energy Storage Market has been experiencing steady growth, driven by advancements in energy storage technology that enhance the efficiency and reliability of renewable energy systems. As of 2024, the overall market is projected to achieve a valuation of 5.15 USD Billion, expanding significantly to 12.0 USD Billion by 2035.

    Within this market, technology plays a critical role, with various methodologies employed to store thermal energy for use in heating and electricity generation. Among the prominent technologies, Molten Salt Storage stands out as a major player, valued at 2.07 USD Billion in 2024, and expected to rise to 4.9 USD Billion by 2035, thus demonstrating its majority holding in the market. This technology is significant due to its ability to store large amounts of thermal energy, making it essential for concentrating solar power plants, where it can optimize energy delivery by storing heat for electricity generation during non-sunny hours.

    Water Thermal Storage follows closely, valued at 1.63 USD Billion in 2024 and anticipated to grow to 3.7 USD Billion by 2035. This method is widely adopted in various industrial applications for heating and cooling purposes, capitalizing on readily available resources. It provides a straightforward, cost-effective solution for energy storage, further bolstered by the need for energy efficiency in residential and commercial sectors, thus aiding market growth.

    The Thermal Energy Storage Market is therefore characterized by its diverse technology offerings, each contributing uniquely to renewable energy strategies and adaptation to climatic changes. The continued investments and developments in these technologies are crucial for addressing the global energy demand and promoting eco-friendly practices, confirming the market's trajectory toward significant expansion in the coming years. The insights from the Thermal Energy Storage Market data reflect a robust industry driven by technological innovation and increasing adoption of sustainable energy solutions.

    Source: Primary Research, Secondary Research, Market Research Future Database and Analyst Review

    Thermal Energy Storage Market Storage Capacity Insights

    The Thermal Energy Storage Market revenue is on a growth trajectory with significant emphasis on the Storage Capacity segment. Expected to be valued at 5.15 USD Billion in 2024, the market showcases a robust expansion with projections reaching 12.0 USD Billion by 2035. Various capacities including Less than 100 MWh, 100-500 MWh, 500-1000 MWh, and More than 1000 MWh play vital roles in addressing energy efficiency and sustainability needs globally. The Less than 100 MWh capacity holds a critical position in residential and small-scale applications, driving adoption in decentralized energy systems.

    Meanwhile, 100-500 MWh systems are essential for medium-sized facilities and contribute to grid stability. The 500-1000 MWh segment caters to large-scale commercial operations, promoting effective load shifting and renewable energy integration. Notably, the More than 1000 MWh capacity is significant for utility-scale projects, offering extensive energy storage solutions that balance supply and demand. As governments worldwide encourage clean energy transitions, conducive policies and technological advancements further enhance the attractiveness of various capacities, presenting opportunities for innovation and investment in the Thermal Energy Storage Market industry.

    Thermal Energy Storage Market Application Insights

    The Thermal Energy Storage Market revenue showcases significant potential, particularly within the Application segment which encompasses District Heating, Industrial Processes, Concentrated Solar Power, and Building Heating and Cooling. As the market matures, District Heating is becoming increasingly crucial, harnessing stored thermal energy to provide heating across residential and commercial spaces. Industrial Processes leverage thermal energy storage for improved efficiency, reducing peak energy demand and costs. Concentrated Solar Power applications are pivotal in optimizing energy supply from renewable sources, enhancing grid stability.

    Building Heating and Cooling systems are essential for energy conservation, making them key players in reducing carbon footprints and promoting energy efficiency. This segment is poised to expand as global energy demands grow. The projected Thermal Energy Storage Market data highlights an increase in market statistics from USD 5.15 billion in 2024 to significant growth by 2035. Factors driving this growth include environmental regulations, technological advancements in storage systems, and the increasing emphasis on sustainable energy solutions.

    Overall, the Application segment plays a vital role in bridging the gap between energy supply and demand in the global landscape.

    Thermal Energy Storage Market Material Used Insights

    The Thermal Energy Storage Market is experiencing notable developments in the Material Used segment, contributing to the market's overall value expected to reach 5.15 USD Billion in 2024. This growth is largely influenced by the increasing demand for sustainable energy solutions. Within this segment, materials such as Concrete, Steel, Natural Materials, and Composite Materials play significant roles. Concrete is known for its thermal mass properties, making it an effective choice for large-scale thermal storage systems. Steel, with its high strength and recyclability, is favored in applications requiring durability and efficiency.

    Natural Materials, including phase change materials, offer eco-friendly options that align with global sustainability initiatives. Composite Materials, which combine distinct features of various substances, are also gaining traction for their versatile applications and enhanced performance in thermal energy storage systems. The emphasis on energy efficiency and the reduction of carbon footprints are driving significant investment and innovation in these materials, reinforcing their importance in the Thermal Energy Storage Market, ultimately benefitting overall market growth.

    Get more detailed insights about Thermal Energy Storage Market Research Report - Global Forecast till 2035

    Regional Insights

    The Thermal Energy Storage Market has shown substantial regional activity, with North America leading the way and achieving a valuation of 1.55 USD Billion in 2024, expected to rise to 3.55 USD Billion by 2035. Europe follows closely, holding a value of 1.35 USD Billion in 2024, increasing to 3.1 USD Billion, indicating significant investments in renewable energy technologies. The Asia Pacific region also holds a significant share, valued at 1.5 USD Billion in 2024 and projected to reach 2.85 USD Billion, showcasing its growing focus on clean energy solutions.

    South America and the Middle East and Africa are comparatively smaller markets, with valuations of 0.5 USD Billion and 0.25 USD Billion in 2024, respectively. However, South America's expected growth to 1.05 USD Billion and the Middle East and Africa's to 0.45 USD Billion highlights emerging opportunities in these regions. The overall Thermal Energy Storage Market data reflects a trend towards enhancing energy efficiency and sustainability, driven by the rising demand for renewable energy sources and government initiatives across regions.

    The market growth is influenced by both technological advancements and regulatory frameworks supporting energy storage solutions.

    Thermal Energy Storage Market Regional Insights

    Source: Primary Research, Secondary Research, Market Research Future Database and Analyst Review

    Key Players and Competitive Insights

    The competitive landscape of the Thermal Energy Storage Market is characterized by a diverse range of players, each contributing to the evolution of thermal energy storage technologies. This market includes various methodologies for storing heat energy, including sensible heat storage, latent heat storage, and thermochemical storage, primarily driven by the needs for renewable energy integration and grid stability. Factors such as technological advancements, governmental policies promoting sustainable energy solutions, and an increasing demand for energy efficiency are propelling participants to innovate and expand their offerings.

    As competition intensifies, companies are focused on strategic partnerships, acquisitions, and the development of next-generation storage solutions to enhance their market presence and strengthen their positioning in this rapidly growing field.

    SolarReserve stands out within the Thermal Energy Storage Market due to its specialized focus on concentrating solar power (CSP) systems that incorporate thermal storage capabilities. The company takes advantage of advanced technology that allows for energy to be stored as heat, which can be used when solar power is not available. This ability to deliver energy on demand, regardless of sunlight conditions, enhances SolarReserve's appeal. The integration of robust thermal energy storage solutions in CSP projects positions the company as a reliable contributor to the global shift towards renewable energy.

    The strategic approach towards optimizing storage capacity and increasing energy efficiency boosts SolarReserve's strengths in sustainable energy generation, aiming to provide a consistent and reliable energy supply while minimizing carbon footprints.

    General Electric brings a wealth of experience and a broad portfolio of solutions to the Thermal Energy Storage Market, particularly focusing on advanced energy generation and storage technologies. The company's key offerings include integrated thermal storage systems that are designed to enhance energy generation efficiency while reducing operational costs. General Electric's strength lies in its ability to leverage its vast engineering capabilities and global footprint to deliver innovative thermal storage solutions that meet diverse energy needs across different regions. The company's commitment to research and development, along with strategic alliances and mergers, allows it to enhance its service offerings continuously.

    This positioning not only strengthens General Electric's competitive edge but also enables it to influence market dynamics significantly in favor of advanced energy storage solutions on a global scale.

    Key Companies in the Thermal Energy Storage Market market include

    Industry Developments

    • Q1 2025: Brenmiller Energy: Chairman and CEO Reflects on 2024 Milestones, Sets Sights on Capturing Sizeable Share of $63 Billion Thermal Energy Storage Market in 2025 Brenmiller Energy announced the operation of its TES gigafactory with a production capacity of up to 4 GWh of bGen™ systems, valued at up to $200 million, and is developing 7 projects globally while advancing a $440 million commercial pipeline for 2025.

    Future Outlook

    Thermal Energy Storage Market Future Outlook

    The Global Thermal Energy Storage Market is projected to grow at a 15.20% CAGR from 2025 to 2035, driven by increasing renewable energy integration, demand for grid stability, and advancements in storage technologies.

    New opportunities lie in:

    • Develop innovative phase change materials for enhanced thermal efficiency. Invest in hybrid systems combining thermal storage with renewable sources. Expand into emerging markets with tailored energy storage solutions.

    By 2035, the market is expected to achieve substantial growth, reflecting its critical role in energy transition.

    Market Segmentation

    Thermal Energy Storage Market Regional Outlook

    • North America
    • Europe
    • South America
    • Asia Pacific
    • Middle East and Africa

    Thermal Energy Storage Market Technology Outlook

    • Molten Salt Storage
    • Water Thermal Storage
    • Phase Change Materials
    • Ice Storage

    Thermal Energy Storage Market Application Outlook

    • District Heating
    • Industrial Processes
    • Concentrated Solar Power
    • Building Heating and Cooling

    Thermal Energy Storage Market Material Used Outlook

    • Concrete
    • Steel
    • Natural Materials
    • Composite Materials

    Thermal Energy Storage Market Storage Capacity Outlook

    • Less than 100 MWh
    • 100-500 MWh
    • 500-1000 MWh
    • More than 1000 MWh

    Report Scope

    Report Attribute/Metric Details
    Market Size 2024 5.15(USD Billion)
    Market Size 2035 1268.25 (USD Billion)
    Compound Annual Growth Rate (CAGR) 15.20% (2025 - 2035)
    Report Coverage Revenue Forecast, Competitive Landscape, Growth Factors, and Trends
    Base Year 2024
    Market Forecast Period 2025 - 2035
    Historical Data 2019 - 2024
    Market Forecast Units USD Billion
    Key Companies Profiled SolarReserve, General Electric, Veolia Environnement, Siemens AG, HPC Energy, Danfoss, ENGIE,
    Segments Covered Technology, Storage Capacity, Application, Material Used, Regional
    Key Market Opportunities Increased renewable energy integration, Growth in energy efficiency initiatives, Rising demand for grid stability, Advancements in storage technologies, Expanding industrial applications
    Key Market Dynamics growing energy demand, renewable energy integration, cost reduction initiatives, government incentives, technological advancements
    Countries Covered North America, Europe, APAC, South America, MEA
    Market Size 2025 308.04 (USD Billion)

    Market Highlights

    Author
    Chitranshi Jaiswal
    Research Analyst Level I

    In her 3 years of experience in the market research field, she has handled critical cross-domain projects. She has an in-depth knowledge of market estimation & analysis, problem-solving, primary as well as secondary research, and team management.She holds an engineering degree and is an MBA professional from a well-known university, capable of evaluating the market and competitive conditions. An exceptional strategist with excellent communication skills and a passion for delivering cutting-edge & practical insights for the market. Proficient in multi-tasking, and can successfully deal with competing demands, while maintaining complete confidentiality. Generated business through active client and project development, networking, and high-quality responses. Her knowledge and skills have helped in making solid business decisions, securing funding from investors, and avoiding business failures.

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    FAQs

    What is the expected market size of the Thermal Energy Storage Market in 2024?

    The Thermal Energy Storage Market is expected to be valued at 5.15 USD Billion in 2024.

    What will be the value of the Thermal Energy Storage Market by 2035?

    By 2035, the Thermal Energy Storage Market is projected to reach a value of 12.0 USD Billion.

    What is the expected CAGR for the Thermal Energy Storage Market from 2025 to 2035?

    The expected compound annual growth rate for the Thermal Energy Storage Market from 2025 to 2035 is 8.01%.

    Which region is expected to dominate the Thermal Energy Storage Market by value in 2024?

    North America is expected to dominate the Thermal Energy Storage Market with a value of 1.55 USD Billion in 2024.

    What is the market size of Water Thermal Storage by 2035?

    Water Thermal Storage is anticipated to reach a market size of 3.7 USD Billion by 2035.

    Who are the key players in the Thermal Energy Storage Market?

    Major players in the market include SolarReserve, General Electric, Veolia Environnement, and Siemens AG.

    What is the expected market size for Molten Salt Storage in 2035?

    Molten Salt Storage is projected to have a market size of 4.9 USD Billion by 2035.

    What growth opportunities exist in the Thermal Energy Storage Market?

    Opportunities exist due to increasing demand for energy-efficient solutions, particularly in renewable energy applications.

    What is the expected growth rate for Asia Pacific in the Thermal Energy Storage Market through 2035?

    Asia Pacific is expected to grow and reach a market size of 2.85 USD Billion by 2035.

    What is the market value of Ice Storage technology in 2024?

    Ice Storage technology is valued at 0.43 USD Billion in 2024.

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