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Top Ten Transformer Manufacturing Companies in the United States
Release time: 2026-06-09 14:18:16

Transformer equipment is the heart of electric power, especially now.AIComputing power is increasing day by day, and the consumption of computing power also means the consumption of electricity.

At present, the whole world is facing the risk of power shortage, and the United States is no exception. Therefore, transformer equipment becomes very important. So what are the best companies in the United States that are making up for this gap? Today we will learn about the top ten transformer manufacturing companies in the United States.

Before looking at American transformer manufacturing companies, let's look at a set of data:

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2024Value of US Transformer Market in122$100 million, estimated to2034It will be reached in 2020257US $100 million, CAGR of approximately7.7%。 This is not steady growth, but rapid growth.

First of all, since2020Electricity consumption in the United States has increased by% since7%Reversing the trend of flat or declining electricity demand over the past decade. The data center is a key factor in this. The energy needed for artificial intelligence and cloud computing is exploding, and these facilities need a large and reliable power supply.

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In addition, the aging grid itself is a problem — more than half of the nation's distribution transformers in service have been in operation for more than three decades and are reaching the end of their useful lives.

Wood Mackenzie predicts that by2025In 2020, the supply gap of power transformers will reach30%The market for generator step-up transformers is even tighter, with almost100%Gap. Lead times for large power transformers have been extended to about two and a half years, with some customers waiting even longer.

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Before we dive into these companies, let's take a look at how these machines actually work. In simple terms, a transformer is a device that changes the voltage of a circuit. Power plants produce electricity at relatively low voltages, but in order to efficiently transmit it over long distances, large voltages are required.Boost”——Like hundreds of thousands of volts. Then, close to homes and businesses, the voltage needs to beDepressurizationTo a safe and available voltage range.

Transformers work on the principle of electromagnetic induction. Inside each transformer are two sets of copper coils wound around a magnetic core. When an alternating current flows through the primary coil, a magnetic field is generated, which induces a current in the secondary coil. By varying the number of turns in each coil, the voltage can be raised or lowered as needed.

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There are several main types of transformers. Power transformers are an industry giant.——Some transformers are as big as two-story buildings and can weigh hundreds of tons. They are widely used in substations and power plants. Distribution transformers are smaller and more numerous; you may have seen them on poles or cement foundations in residential areas. Generator step-up transformer (GSU) the power plant is directly connected to the transmission grid. The purpose of each transformer is different, but their basic function is the same: to ensure that electricity is transmitted from the place where it is generated to the place where it is used without loss on the way.

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So in the United States, what are the best companies that can manufacture and sell transformer equipment?

It mainly includes the following enterprises:

Company name

Time of establishment

Company website

Main business

Company philosophy

1. GE Vernova (G.E.V.)

2023Year(GEEnergy business spin-off)

www.gevernova.com

Power and distribution transformers, especially focused on UHV, covering scenarios such as power grids, new energy and data centers

Accelerate the global energy transformation with solutions of both scope and scale.

2. Siemens Energy

2019Year(Split from the SIEMENS)

www.siemens-energy.com

It provides power transformer products covering all voltage levels, focusing on improving the reliability and toughness of the power grid.

It is committed to making energy more environmentally friendly, reliable and economical.

3. Hitachi Energy

2020Year(Hitachi acquisitionABBPower grid business)

www.hitachienergy.com

It provides a full range of transformer products and has the largest installed base of transformers and high-voltage equipment in the United States.

Drive innovative and sustainable solutions to enable a sustainable energy future.

4. Eaton (Eaton)

1911Year

www.eaton.com

Power distribution, power and specialty transformers for industrial, building and data center applications with a complete portfolio

Improve the quality of life and the environment through power management technology.

5. Prolec GE

1960Year(GEAndXignuxJoint venture)

www.prolecge.com

It provides transformer products from power generation to transmission, and is one of the largest transformer manufacturers in North America.

Design, manufacture, and install transformers that exceed customer expectations with a focus on reliability

6. SPX Transformer Solutions

1906Year(WaukeshaElectrical history)

www.spxtransformersolutions.com

Focus on power and distribution transformers toWaukesha®Well-known brand, while providing complete transformer service solutions

Provide superior engineering and manufacturing experience

7. Virginia Transformer

1971Year

www.vatransformer.com

Customized power transformers for utility, industrial, renewable energy and commercial applications

Build the most reliable power transformer dedicated to bringing manufacturing jobs back to the U.S.

8. ERMCO

1972Year

www.ermco-eci.com

North America's leading manufacturer of liquid-immersed distribution transformers serving utility, commercial and industrial markets

"Our home powers your home"In order to"People, ownership, winning, excellence, perseverance"Core values

9. Howard Industries

1968Year

www.howardindustries.com

The leading American manufacturer of liquid-immersed distribution transformers, which also produce small and medium-sized power transformers.

Dedicated to the design, manufacture and distribution of high quality power transformers with a professional and customer focus

10. Delta Star

1908Year

www.deltastar.com

Focus on production10-90MVAMedium-sized power transformers and mobile substations and other equipment.

Continuously improve power performance, delivery and reliability to meet future energy demand

 

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Sum up

There is a huge demand for transformers in the United States, and excellent entrepreneurs are working hard to fill this market gap. As a company dedicated to providing transformer production equipment, we are also willing to help customers.

We can not only provide winding machines, slitting machines, slitting lines, but also welding machines, transport platforms, laminating machines, bending machines, oiling machines and other equipment to provide complete solutions for enterprises.

Not only that, we will also provide equipment installation solutions, as well as installation tutorials, and provide free technical support to help customers quickly build efficient production lines.

If you want to know the latest price of these equipment, please contact our online engineer!