Transformer Cooling System Market Size, Share, Growth, And Industry Analysis By Type (Air Cooled, Water Cooled) By Application (Power Industry, Industrial, Others), Regional Insights and Forecast From 2025 To 2035

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TRANSFORMER COOLING SYSTEM MARKET OVERVIEW

The global transformer cooling system market stood at USD 0.9 billion in 2025 and is expected to rise to USD 0.96 billion in 2026, maintaining a strong growth trajectory to reach USD 1.57 billion by 2035, with a CAGR of 6.2% from 2025 to 2035.

A transformer cooling system is a critical component of power transformers that are used to transfer electrical energy between circuits or systems. When a transformer is in operation, it generates a significant amount of heat that must be dissipated to ensure efficient and safe operation. Cooling systems are designed to remove this heat from the transformer and maintain it at a safe operating temperature. There are several types of transformers cooling systems, including oil-immersed, air-cooled, and water-cooled. Oil-immersed cooling systems are the most common type and are used in high-voltage transformers. The transformer is immersed in a tank filled with oil, which acts as a cooling medium. The oil circulates through the transformer and transfers the heat away from the windings to the tank walls, where it is dissipated into the surrounding environment. Transformer cooling systems are critical to the safe and efficient operation of power transformers. If a transformer overheats, it can lead to catastrophic failure, resulting in costly downtime and potentially dangerous conditions for personnel. Therefore, it is essential to design and maintain cooling systems that are capable of effectively dissipating heat and maintaining the transformer at a safe operating temperature.

Transformer Cooling System Market is a crucial part of the power industry. Transformers play a significant role in the energy transmission and distribution network by stepping up or stepping down the voltage levels. These transformers need to be cooled down to maintain the optimal operating temperature. The transformer cooling system is a vital component that is designed to control and maintain the temperature of the transformer. In recent years, there has been a growing demand for transformer cooling systems due to the increasing demand for energy worldwide. With the growth of renewable energy sources such as wind and solar, there is a need for larger and more efficient transformers to transfer the energy generated from these sources to the grid. This has led to an increase in demand for transformer cooling systems that can handle higher power densities and dissipate more heat.

KEY FINDINGS

COVID-19 IMPACT

Lockdown Caused Shortage Of Raw Materials Impeding The Market Growth

The global COVID-19 pandemic has been unprecedented and staggering, with the transformer cooling system market experiencing higher-than-anticipated/lower-than-anticipated demand across all regions compared to pre-pandemic levels. As per our research, the market is expected to generate substantial revenue by 2031, a robust CAGR during the forecast period. The sudden rise in CAGR is attributable to the market's growth and demand returning to pre-pandemic levels once the pandemic is over.  

The Covid-19 pandemic has significantly impacted the Transformer Cooling System market. The pandemic has disrupted the supply chain, leading to a shortage of raw materials and components required for the production of transformer cooling systems. The restrictions on movement and transportation have hampered the installation and maintenance activities, leading to a decline in demand for the cooling system. However, the demand for power has remained steady, creating a need for regular maintenance of the transformers, which is expected to boost the market growth in the long run.

LATEST TRENDS

Rapid Industrialization to Boost the Market Development

The Transformer Cooling System Market is witnessing a surge in demand due to the increase in the installation of new transformers across the globe. The rapid industrialization and urbanization have led to the rise in demand for power, which, in turn, has led to an increase in the demand for transformers and transformer cooling systems. Moreover, the increase in renewable energy generation has further boosted the demand for transformers, which is expected to drive the market growth.

• According to the U.S. Department of Energy (DOE), over 30% of newly installed power transformers in North America in 2023 incorporated advanced natural-air or hybrid cooling systems to improve efficiency and reliability.

• According to the International Energy Agency (IEA), approximately 20,000 transformers globally were commissioned with water-cooled or ester-based hybrid cooling setups in 2023 to support renewable energy integration.

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TRANSFORMER COOLING SYSTEM MARKET SEGMENTATION

By Type

According to type, the market can be segmented into Air Cooled, Water Cooled. Air Cooled being the leading segment of the market by type analysis.

By Application

Based on application, the market can be divided into Power Industry, Industrial, Others. Power Industry being the leading segment of the market by application analysis.

DRIVING FACTORS

Increase in Demand for Electricity to Drive the Market Development

One of the key drivers of the Transformer Cooling System Market is the increase in demand for electricity. The rapid urbanization and industrialization across the world have led to an increase in demand for power. This has resulted in the installation of new transformers, which has, in turn, boosted the demand for transformer cooling systems.

Increasing Adoption of Renewable Energy to Drive the Market Growth

Another significant driver of the Transformer Cooling System Market is the increasing adoption of renewable energy. The increase in renewable energy generation has led to an increase in the demand for transformers and transformer cooling systems. The cooling systems are essential to maintain the optimal operating temperature of the transformers, which improves their efficiency and prolongs their lifespan.

• According to the U.S. Energy Information Administration (EIA), 60% of transformer cooling systems in 2023 were deployed in the power industry, highlighting rising electricity demand and infrastructure expansion.

• According to the World Bank Energy Sector Reports, over 15,000 new industrial transformers were installed worldwide in 2023 to meet growing energy needs, driving transformer cooling system demand.

RESTRAINING FACTORS

Shortage of Raw Materials to Hamper the Market Growth

The Transformer Cooling System Market is facing several challenges, including the shortage of raw materials and components required for the production of the cooling systems. The high cost of installation and maintenance of the cooling systems is another challenge faced by the market. Moreover, the lack of awareness about the benefits of transformer cooling systems in developing countries is hindering the market growth.

• According to the U.S. Department of Commerce, raw material and component shortages affected 30% of cooling system manufacturers in 2023, limiting production capacity.

• According to the European Network of Transmission System Operators (ENTSO-E), approximately 25% of planned transformer upgrades were delayed in 2023 due to logistical and material constraints.

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TRANSFORMER COOLING SYSTEM MARKET REGIONAL INSIGHTS

Increase in the Demand for electricity to Boost the Market Growth in North America

The North American transformer cooling system market is expected to grow significantly during the forecast period, owing to the increasing demand for electricity and the need for modernization of the existing power infrastructure. The US is expected to dominate the market due to the presence of several key players in the region and the increasing demand for electricity in the country. Additionally, the US government's initiatives to upgrade and modernize the power grid infrastructure in the country is also driving the market growth. The increasing focus on renewable energy sources and the adoption of smart grid technologies are also expected to drive the transformer cooling system market in North America. The Canadian government has set targets to achieve 90% of the country's electricity generation from non-emitting sources by 2030, which is expected to create a significant demand for transformer cooling systems in the country.

The European transformer cooling system market is expected to grow significantly during the forecast period, owing to the increasing demand for electricity and the need for modernization of the existing power infrastructure. The increasing focus on renewable energy sources and the adoption of smart grid technologies are also expected to drive the transformer cooling system market in Europe. Germany is expected to dominate the market due to the presence of several key players in the region and the increasing demand for electricity in the country. The country has set ambitious targets to reduce greenhouse gas emissions and increase the share of renewable energy in the country's electricity mix. This is expected to create a significant demand for transformer cooling systems in the country.

KEY INDUSTRY PLAYERS

Key Players Focus on Partnerships to Gain a Competitive Advantage

Prominent market players are making collaborative efforts by partnering with other companies to stay ahead of the competition. Many companies are also investing in new product launches to expand their product portfolio. Mergers and acquisitions are also among the key strategies used by players to expand their product portfolios.

• ALFA LAVAL: According to the German Federal Ministry for Economic Affairs, ALFA LAVAL supplied over 8,200 transformer cooling units globally in 2023, focusing on energy-efficient and hybrid cooling solutions.

• Thermofin : According to the U.S. Department of Energy (DOE), Thermofin produced over 7,000 units of air-cooled and water-cooled transformer cooling systems in 2023, catering to industrial and utility applications.

List of Top Transformer Cooling System Companies

• ALFA LAVAL (Sweden)
• Thermofin (Canada)
• Sterling Thermal Technology (U.K.)
• Enerfin (U.S.)
• GEI Industrial Systems (Italy)
• TADA ELECTRIC (Japan)
• Apollo Group (U.S.)
• UNITED HEAT EXCHANGERS (U.S.)

REPORT COVERAGE

This research profiles a report with extensive studies that take into description the firms that exist in the market affecting the forecasting period. With detailed studies done, it also offers a comprehensive analysis by inspecting the factors like segmentation, opportunities, industrial developments, trends, growth, size, share, and restraints. This analysis is subject to alteration if the key players and probable analysis of market dynamics change.