Thermal Energy Storage Market size was valued at USD 32.93 billion in 2024 and is set to reach USD 80.01 billion by the end of 2037, registering around 7.9% CAGR during the forecast period i.e., between 2025-2037. In the year 2025, the industry size of thermal energy storage is assessed at USD 35.04 billion.
The growth of the market can be attributed to the growing need to augment the energy storage, so that it can be utilized at the time of emergencies. Generally, it happens through cooling or heating a medium in order to use the energy later. By 2040, thermal energy storage could increase potential long-duration storage, or LDES, capacity globally from a range of around 1 TW to 3 TW to between 2 TW and 8 TW.
In addition to these, factors that are believed to fuel the market growth of thermal energy storage include the rising efforts to boost the development of smart cities. With the growing infrastructure of smart cities, the need for sustainable energy is expected to grow. The Smart Cities USA project will improve San Jose's quality of life by fostering 25,000 CleanTech employment, fostering environmental sustainability, and driving economic growth. To achieve this development the City of San Jose, California partnered up with Intel to use Intel's IoT Smart City Demonstration Platform. On the other hand, the thermal energy storage market growth is also attributed to the growing production of electricity. Moreover, 2019 saw a 1.3% increase in global gross power production over 2018. Since 1974, annual increases in global power output have been constant.
Growth Drivers
Challenges
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Base Year |
2024 |
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Forecast Year |
2025-2037 |
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CAGR |
7.9% |
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Base Year Market Size (2024) |
USD 32.93 billion |
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Forecast Year Market Size (2037) |
USD 80.01 billion |
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Regional Scope |
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End-user (Residential, Commercial & Industrial, Utilities)
The global thermal energy storage market is segmented and analyzed for demand and supply by end user into residential, commercial & industrial, and utilities. Out of these, three end user of thermal energy storage, the commercial & industrial segment is estimated to gain the largest market share in the year 2037. The growth of the segment can be attributed to the increasing demand for energy for both industrial and commercial purposes. The global industrial sector's demand for power has grown by 3% since 2000. In addition, in 2021, retail power sales to businesses climbed by roughly 3%. Moreover, 0.14 trillion kWh, or nearly 3% of the total amount of energy, were used by the industrial and commercial sectors, worldwide.
Application (Heating & Cooling, Power Generation)
The global thermal energy storage market is also segmented and analyzed for demand and supply by application into heating & cooling, and power generation. Amongst these two segments, the heating and cooling segment is expected to garner a significant share in the year 2037. The rejected heat from air conditioning units can be recovered using latent heat thermal energy storage devices, which can then be used to produce low-temperature hot water. Owing to the heat rejection from air conditioning systems, it reduces not only the amount of primary energy needed to heat residential hot water and also the damage to the environment. The growth of the segment is primarily attributed to rising demand for air conditioner. Almost 20% of the electricity consumed in buildings worldwide today is used by air conditioners and electric fans to stay cool. In addition to increasing emissions, the growing demand for space cooling is placing a tremendous amount of stress on the energy infrastructure of many nations. Moreover, over two-thirds of homes worldwide may have air conditioners by 2050. Together, China, India, and Indonesia will make up half of the total.
Our in-depth analysis of the global market includes the following segments:
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By Technology |
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By Storage Material |
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By Application |
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By End User |
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North American Market Forecast
The thermal energy storage market in North America is projected to be the largest with a share of about 38% by the end of 2037. The growth of the market can be attributed majorly to the increasing demand for heating and cooling systems for the buildings in the region and rising efforts to boost the use of thermal energy. The Building Technologies Office (BTO) is concentrating on thermal storage research, development, demonstration, and deployment to hasten the commercialization and application of next-generation energy storage technologies for building applications. Buildings use over 39% of all primary energy and 74% of all electricity in the US. According to the Office of Energy Efficiency & Renewable Energy around 50% of building energy demand is currently met by thermal end uses, such as air conditioning, water heating, and refrigeration, and this percentage is expected to rise in the coming years in the United States.
Europe Market Forecast
The European thermal energy storage market is estimated to be the second largest, registering a share of about 25% by the end of 2037. The growth of the market can be attributed majorly to the rising effort put in by the government to augment energy storage systems. For instance, the UK government created a SUPERGEN Energy Storage Hub in the UK to gather all the researchers that have expertise in energy storage research. This is likely to enhance the existing energy storage system technologies and the complete value chain system from energy storage to manufacturing. Moreover, the rising demand for electricity and rising cases of power outages are also expected to boost the market growth in the region.
APAC Market Statistics
Further, the thermal energy storage market in the Asia Pacific is projected to hold a significant share by the end of 2037. The growth of the market can be attributed majorly to the presence of one of the largest thermal power plants in the region. Just 11 thermal power plants worldwide have a total installed capacity of 5 GW or more. China, Japan, and Taiwan are home to eight of them. Moreover, the largest thermal power plant in the world is located in Longjing, Taichung, Taiwan. It is an around 5,800-Megawatt coal-fired power plant that is owned and run by the government-owned Taiwan Electricity Corporation. Furthermore, China generated a record 617 terawatt-hours more overall electricity and 465 terawatt-hours more thermal power between January and August 2021 compared to the same time the previous year.
The Enel Group in partnership with Brenmiller Energy Ltd. Launched a new energy storage system in Snata Barabara, Tuscany. it is an innovative thermal storage system that is fully sustainable and capable of accelerating the energy transition.
Brenmiller Energy Ltd. announced the automation of thermal energy storage in its production unit in Dimona, Israel. The first production is expected to begin by May 2023. Furthermore, by the end of 2023, it is anticipated that full production capacity for up to 4,000 MWh of clean energy bGen TES modules yearly will be reached.
Author Credits: Dhruv Bhatia
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