Prolec GE Brazil

About Prolec GE Brazil

Prolec GE Brazil transformers and reactors are synonymous with quality and reliability. For over 60 years, the company has invested in research, technology, new product design, engineering expertise, and plant and field service equipment, while remaining focused on improving industry standards and leading innovations to meet the evolving needs of its customers.

The plant occupies 271,648 sq. ft. of manufacturing space and is located in Canoas, Rio Grande do Sul, Brazil.

With a focus on innovation and excellence, Prolec GE Brazil remains a trusted partner in powering efficient and resilient electrical infrastructure throughout the Americas.


Power Transformers

Prolec GE Brazil designs, manufactures and tests a complete line of large and extra large power liquid-filled transformers top rated from 60 MVA to 1000 MVA, up to 800 kV.

Our modern transformer manufacturing operations utilize sophisticated computer-controlled equipment and test systems, complemented by a well-trained, experienced work force to produce high quality power transformers that meet stringent customer demands.

Power Transformers

Shunt Reactors

Prolec GE Brazil excels in manufacturing shunt reactors up to 120 MVAr and 800 kV, vital for bolstering stability in high-voltage networks.

Leveraging advanced manufacturing techniques and a skilled workforce, we ensure the production of top-tier reactors meets stringent quality standards.


Shunt Reactors


Our service team can be counted on to maintain the performance, quality, reliability, and life of the transformers throughout your electric power system by providing the following:

  • Spare parts 
  • Installation 
  • Field inspections 
  • Energization monitoring 
  • Maintenance 
  • Testing 
  • Condition assessments 
  • Oil processing 
  • Corrective preventative maintenance 

Technical and quality standards

Prolec GE Brazil designs, builds and tests its transformers and reactors according to IEEE, IEC, ANSI, NEMA, NBR, ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 technical and quality standards. To achieve the best results across all our solutions, we embrace the Total Productivity System (TPS) culture, promoting problem-solving, employee engagement, and continuous improvement.

To learn more, check our EHS Policy and Quality Policy.



Coemsa Ansaldo is established
Coemsa Ansaldo manufacturing plant founded in 1960

Coemsa Ansaldo was founded in 1960 as the result of operations in Brazil of G.I.E. - Gruppo Industrie Elettromeccaniche per Impianti all’Estero - Italian group of industries with great tradition and technology in the manufacturig of equipment and construction of industrial plants. Subsequently, G.I.E. has created the Ansaldo group, in…
Read More

First 230 kV Power Transformer

The first 230 kV Power Transformer was designed and munufactured, opening the ways for larger equipements and higher power manufacturing.

Coemsa Ansaldo becomes Alstom

Alstom, the french multinational manufacturer, acquired the plant from Coemsa Ansaldo.  

Areva T&D starts in Brazil
Areva plant in Brazil, 2004

Areva, a major international player in the nuclear energy market from France, acquired Alstom's transmission and distribution activities, which became Areva T&D.

First 800 kV Power Transformer

The first 800 kV Power Transformer was designed and munufactured, opening the ways for even larger equipements and higher power manufacturing. 

New Alstom aquisition
Alstom plant in Brazil

Areva sold the plant back to Alstom and Schneider Electric, a french multinational company that specializes in digital automation and energy management.   

Testing lab modernization
New HVDC Alstom testing lab

The testing laboratory was expanded in over 24,500 sq. ft. to modernize and prepare the installations for future projects.

GE buys Alstom
GE Phase-shifter transformer in the brazilian plant testing lab

General Eletrics (GE), a world leader in different sectors of industry and services,  acquired Alstom’s power and grid businesses. The completion of the transaction followed the regulatory approval of the deal in over 20 countries and regions. It was GE’s largest-ever industrial acquisition at the time. 

Prolec GE joint venture takes place
Prolec GE power transformer at instalation

Prolec GE, the  joint venture between Xignux Mexican consortium with significant participation in the electricity, infrastructure and food sectors and General Electric (GE), already in place in different locations since 1995, is incorporated in Brazil.

Tank shop expansion
Tank shop inauguration day in Brazil

Our new over 29,600 sq. ft. tank shop was constructed with the purpose of producing tanks in-house, ensuring the highest quality standards.