Top Transformer Manufacturers Powering the World’s Energy Needs

A transformer is an electrical device that transfers electrical energy between two or more circuits by using the principle of electromagnetic induction. It is an extremely important equipment which distributes power efficiently across the electric grid. In modern power stations, power is generated at a low-voltage and step-up transformers are used to increase the voltage to transmit power over long distances with minimal loss. Then, another step-down transformer is used to reduce the voltage before it is distributed to homes and industries. Power transformers, distribution transformers, measurement transformers, and protection transformers are the major types of transformers based on usage. The rapid expansion of power generation and distribution projects in the APAC region is expected to drive the demand in the global transformers market. Transformer manufacturers are supplying their products to utility companies who are replacing their old and aging transformers with modern ones. The market looks lucrative for transformer manufacturers 

Top Transformer Manufacturers

Top Transformer Manufacturers


Siemens is a German multinational firm and one of the largest industrial manufacturing firms in Europe. Industries served by Siemens include aerospace, automotive, chemical, mining, oil and gas, food and beverage, cranes, cement, and pharmaceutical. Amongst the largest transformer manufacturers, the company offers products for all output and voltages. The company designs its product with environmental sustainability and efficiency in mind and also comply with EU norms and guidelines. Power transformers, reactors, phase shifting transformers, HVDC transformers, distribution transformers, and tractional transformers are some of the products offered by the company.


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GE is a multinational conglomerate serving several industries such as energy connections, digital, oil and gas, renewable energy, transportation, power, and healthcare. It is a top manufacturer of transformer, it operates as a technology and infrastructure company. Also, it offers gas and steam power system solutions, which also include transformers. One of the most efficient transformer manufacturers, GE claims its transformers to be highly efficient by meeting DOE 2016 efficiency standard along with added features. The company broadly categorizes their transformers as dry type vented, dry-type non ventilated, dry-type encapsulated and enclosed, control power core and coil, secondary substation, power, and distribution.


ABB is one of the well-recognized power transformer manufacturers, a multinational corporation that focuses on robotics, power, and automation services. It sells devices and instruments for power grids, electrification and transportation, and utilities. Also, it develops measuring and sensing devices circuit breakers and medium voltage switch gears to monitor energy consumption. ABB is one of the major transformer manufacturers that offers liquid-filled and dry-type transformers alongside providing complete life-cycle support, including replacement parts and components.

Hyundai Heavy Industries

Hyundai Heavy Industries is one of the leading heavy industries in the world. It has diversified itself from shipbuilding into offshore and engineering, industrial plant and engineering, and engine and machinery segments. The company utilizes advanced technology and design to create power transformers that meet the requirements of the customer. Their product line consists of oil immersed transformer, a cast resin transformer, a dry-type transformer, and a special type transformer.


TBEA is a manufacturer of power transformer that operates in industry segments such as electric power transmission and electric power generation. It manufactures and distributes equipment, devices, and components such as transformers, HV switches, wires, and cables. The annual output capacity of all its projects is more than 200 million kVA. It also provides inverter and energy solutions for the design, construction, debugging, operation, and maintenance of photovoltaic electric and wind power plants under its new energy business department. The company was also the first transformer manufacturers in China and offers high-voltage transformers ranging from 110kV to 800kV.

Power transformers are used to step up or step down voltage levels in power transmission and distribution systems. They play a crucial role in efficiently transferring electrical energy over long distances and ensuring voltage compatibility for different applications.

Distribution transformers are typically used to step down high voltage from power lines to lower voltage levels suitable for distribution to homes and businesses, ensuring safe and efficient electricity supply to end-users.

Current transformers (CTs) are used to step down high currents to a measurable level, providing accurate current measurements for monitoring and protection purposes. Potential transformers (PTs) step down high voltages to a measurable level, enabling accurate voltage measurements for monitoring and protection applications.

Autotransformers, with a single winding serving as both primary and secondary, are used for voltage regulation and to adjust voltage levels. They achieve this by tapping different points along the winding, allowing for step-up or step-down transformations as needed.

Isolation transformers are specifically designed to provide electrical isolation between the input and output circuits. They not only protect sensitive equipment from electrical noise but also ensure safety by preventing the transfer of potentially hazardous voltages or currents between circuits, enhancing overall system reliability and performance.

Read more about the top transformer manufacturers along with supply market insights, procurement challenges, category management, and pricing models in SpendEdge’s upcoming report on the global transformers market.

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