What Voltran does

Voltran S.A. de C.V. is a Mexican designer and manufacturer of power and distribution transformers, operating as part of Brazil's WEG Group since a 2006 joint operation that formed VOLTRAN WEG Group. Founded in 1980 (the name abbreviates "Transformación del Voltaje"), Voltran operates two manufacturing plants in Mexico — Tizayuca, Hidalgo and Huehuetoca, Estado de México — plus a 5,000 sqm paint factory in Atotonilco de Tula supporting vertical integration. Its product range spans from 500 kVA encapsulated dry-type units to power transformers and autotransformers rated at 300 MVA and 400 kV, covering the full voltage spectrum used in Mexico's grid infrastructure.

The company's core technology centers on eight transformer categories: encapsulated epoxy-resin transformers, SolarPAD photovoltaic pedestal units, WindPAD wind pedestal units, substation transformers (750-5,000 kVA), medium power transformers (5,000-50,000 kVA, 15-138 kV), power transformers (up to 300 MVA, 400 kV), autotransformers, and mobile substations (up to 230 kVA), plus high-voltage substation engineering from 34.5 to 230 kV. Manufacturing is vertically integrated with in-house production of electro-insulating varnish, electrical conductors, tanks, insulation kits, and paints, and quality is supported by an ISO 17025-certified laboratory accredited by EMA. The portfolio is certified to ISO 9001:2015 (Bureau Veritas), UL (for US market sales of 600-4,000 kVA units), LAPEM (required for CFE supply, including prototype certification of 30 MVA and 40 MVA substation units), PEMEX NRF-144 / NMX J-284 / CFE K0000-13 specifications, and PROPAEM clean industry certification.

Voltran operates a quote-based, custom-engineered B2B sales model targeting electric utilities, oil and gas, renewable energy developers, commercial and industrial customers, and critical infrastructure operators. Distribution runs through regional sales representatives covering all Mexican states, inside sales at headquarters, and WEG Group's global export network serving North America, Central America, and the Caribbean since 1998. Named anchor customers include Mexico's state utility CFE (sustained substation deliveries across 2019-2020), state oil company PEMEX, the General Felipe Ángeles International Airport project (241 transformers including units designed for 2,500-meter altitude), Iberdrola/AVANGRID (Best Global Supplier 2018, Supplier of Transformers and Energy Services 2019), and US renewable energy developers (more than 1,500 SolarPAD/WindPAD units since 2017). Revenue is supplemented by technical services covering installation, commissioning, four-tier maintenance programs (Minor, Major, Predictive, Corrective), electrical testing, transformer repair, dielectric oil treatment, and spare parts. Revenue is not publicly disclosed.

Name

Voltran

Legal name

VOLTRAN S.A. de C.V.

Website

https://voltran.com.mx

Company type

Private

Founded year

1980

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Voltran S.A. de C.V., a Mexican transformer manufacturer founded in 1980 and part of WEG Group since 2006, produces power, distribution, and specialty transformers (500 kVA to 300 MVA) for utilities, oil and gas, and industrial customers.

Ownership category

akta.pro rank

Product category

Power and Distribution Transformers

NAICS

Power, Distribution, and Specialty Transformer Manufacturing (335311), Electric Power Transmission, Control, and Distribution (22112)

SIC

Power, Distribution & Specialty Transformers (3612)

akta.pro primary industry

Transformers (Power, Distribution, Instrument, Specialty) (IMAGAAAA)

akta.pro secondary industries

Power Transformers, Reactors & Auxiliary Power Systems (EUADACAJ), Transmission Substations & High-Voltage Switchyards (EUADAAAF), High-Voltage Electrical Systems (Switchgear, Transformers, Protection & Control) (EUAEAFAA)

Keywords

• Power transformers
• Distribution transformers
• Electrical substations
• Transformer manufacturing
• Renewable energy transformers

Headquarters

HQ city

Tizayuca

HQ country

Mexico

HQ region

Latin America

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. Transformer Manufacturing and Sales: Design, manufacture, and sale of various transformer types including encapsulated, power, medium power, substation, pedestal photovoltaic (SolarPAD), pedestal wind (WindPAD), mobile substations, and autotransformers. Transformers range from small capacities (300 kVA) to large power transformers (300 MVA) with voltages up to 400 kV.
2. Technical Services: Installation and commissioning, maintenance programs (minor, major, predictive, and corrective), electrical testing, transformer repair, dielectric oil treatment, technical training courses, and technical consulting.
3. Spare Parts and Components: Wide range of national and imported spare parts including high and low voltage bushings, gasket kits, oil level indicators, temperature gauges, pressure relief valves, sampling valves, tubular or wafer-type radiators, motorized fans, Buchholz relays, load tap changers, and other control devices and accessories.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

Voltran designs, manufactures, and sells a wide range of power and distribution transformers including encapsulated, pedestal (solar and wind), power, medium power, substation, and autotransformer types, with capacities from 500 kVA to 300 MVA at voltages up to 400 kV. The company also delivers high voltage substations (including mobile substations up to 230 kVA), and provides installation, commissioning, maintenance, electrical testing, and repair services, plus spare parts. Products are engineered to order for utilities, oil and gas, renewable energy, commercial/industrial, and critical infrastructure customers.

Product overview

Voltran, part of WEG Group, is a transformer manufacturer offering a comprehensive portfolio of power distribution and transmission products. The core product line includes eight distinct transformer types: Encapsulated Transformers (500-15,000 kVA), SolarPad Photovoltaic Pedestal Transformers (up to 5000 kVA), Power Transformers (up to 300 MVA/400 kV), Substation Transformers (750-5000 kVA), WindPad Wind Pedestal Transformers (500-5000 kVA), High Voltage Substations including Mobile Substations (up to 230 kVA), Medium Power Transformers (5000-50,000 kVA), and Autotransformers (up to 300 MVA/400 kV). These products serve various applications from renewable energy (solar/wind), commercial/industrial facilities, airports, hospitals, to utility substations. Supporting the product portfolio are four service offerings: Installation and Commissioning, Maintenance (Minor/Major/Predictive/Corrective programs), Electrical Testing, and Repairs/Spare Parts. The company operates two manufacturing plants in Mexico (Tizayuca, Hidalgo and Huehuetoca, Estado de México) and serves markets across North America, Central America, and the Caribbean.

Differentiator

Problem solved

Functional benefit

Products and services

• Encapsulated Transformer (Transformador Encapsulado) Three-phase transformers encapsulated in epoxy resin providing safe, efficient, and environmentally friendly power distribution with no oil risk. Used in commercial buildings, airports, data centers, wind farms, oil platforms, hospitals, libraries, skyscrapers, refineries, foundries, and general industry.
• SolarPAD Photovoltaic Pedestal Transformer Pad-mounted photovoltaic transformers designed to integrate solar renewable energy into the electrical grid. Used to supply single-phase or three-phase distribution loads for residential, industrial, and commercial applications with voltages up to 34.5 kV.
• Power Transformer (Transformador de Potencia) Three-phase power transformers and single-phase/autotransformers for subtransmission and transmission of electrical energy in high and medium voltage, primarily in generating substations such as hydroelectric, nuclear, wind, thermal plants, and for special applications like induction furnaces and rectifiers.
• Substation Transformer (Transformador Tipo Subestación) Three-phase substation transformers widely used in commercial and industrial applications, compatible with closed or open electrical substations. Used to power restaurants, cinemas, hotel zones, industrial parks, and similar facilities.
• WindPAD Wind Pedestal Transformer Pad-mounted wind turbine transformers designed for wind energy applications to integrate wind renewable energy into the electrical grid, feeding single-phase or three-phase distribution loads for residential, industrial, and commercial use.
• High Voltage Substations and Mobile Substations Design, development, supply, assembly, testing, and commissioning of conventional electrical substations from 34.5 to 230 kV, including Mobile Substations up to 230 kVA for industries requiring geographic mobility and rapid deployment without investment in provisional substations.
• Medium Power Transformer (Transformador Media Potencia) Medium power transformers designed to adjust voltage levels between generation units and consumer usage levels, or for voltage adjustments within an industrial customer's own system.
• Autotransformer (Autotransformador) Autotransformers with secondary winding as a tap of the high voltage winding and both windings connected in series. Essential application for increasing power transported in the transmission system, with capacities up to 300 MVA and voltages up to 400 kV.
• Installation and Commissioning Service On-site transformer installation and commissioning services including site assembly, accessory assembly, internal inspection, preliminary tests, hermeticity tests, drying treatment, vacuum oil filling, and final tests.
• Maintenance Service Preventive maintenance programs including Minor, Major, Predictive, and Corrective maintenance for transformers, with inspection and testing programs tailored by equipment type, insulation class, load, service time, and operation history.
• Electrical Testing Service Comprehensive electrical testing services for preventive maintenance including insulation resistance measurement, transformation ratio measurement, winding resistance measurement, insulation power factor measurement, dielectric rigidity testing of dielectric oil, physico-chemical oil analysis, dissolved gas chromatography, and capacitive bushing testing.
• Repairs and Spare Parts Service Transformer repair services for all brands specializing in core-type repairs with capacities from 225 to 300 MVA at voltages up to 400 kV, including total repair, winding replacement, core replacement, tap changer replacement, oil changes, and special redesigns, with a wide range of national and foreign spare parts available.

Quantifiable outcome

• 30% to 35% reduction in electricity consumption
• +2 more outcomes

Named customers6 records

Segments6 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

Six partnerships are on record, tiered core.

• Grupo Iberdrola / AVANGRIDcoreChannel Partner/ Reseller/ Distributor · 28 May 2019VOLTRAN WEG Group received Iberdrola's 'Supplier of Transformers and Energy Services' award for supplies to Mexico and the United States through AVANGRID subsidiary. WEG has been recognized as one of the largest transformer suppliers for the Spanish energy company, with manufacturing facilities in Brazil, Mexico, and the United States supporting Iberdrola's investment plan.
• LAPEM (Laboratorio de Pruebas de Equipos y Materiales)coreStrategic or Co-development PartnerVOLTRAN WEG Group is certified as a reliable supplier to supply equipment to Comisión Federal de Electricidad (CFE). LAPEM certification guarantees prototype equipment as functional for sale. The company also certifies distribution substation prototypes of 30 MVA and 40 MVA through LAPEM.
• EMA (Entidad Mexicana de Acreditación)coreStrategic or Co-development PartnerVOLTRAN WEG Group has its laboratories certified before EMA for ISO 17025 testing standards. This certification confirms that testing facilities are in proper conditions to perform various tests on all manufactured equipment.
• UL (Underwriters Laboratories)coreStrategic or Co-development PartnerVOLTRAN WEG Group holds UL certification for encapsulated distribution transformers and substation transformers ranging from 600 to 4000 kVA, guaranteeing prototype equipment as functional for sale in the United States market.
• Comisión Federal de Electricidad (CFE)coreChannel Partner/ Reseller/ DistributorCFE is Mexico's state-owned electricity company responsible for controlling, generating, transmitting, and commercializing electrical energy. VOLTRAN has worked with CFE for years, primarily manufacturing special power transformers for different regions of the country, meeting CFE, ISO 9001, LAPEM, and other organization standards. Delivered 26 transformers in 2019 and 23 transformers in 2020.
• PEMEX (Petróleos Mexicanos)coreChannel Partner/ Reseller/ DistributorPEMEX is Mexico's state-owned oil company. VOLTRAN supplies transformers meeting PEMEX specifications (NRF-144, NMX J-284, CFE K0000-13) including substation transformers with special ratings for PEMEX applications up to 30,000 kVA.

Scale indicators8 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• Siemens Energy: Siemens Energy manufactures large power transformers and provides grid technology solutions globally, serving utility, renewable, and industrial customers that overlap with Voltran's customer base.
• Schneider Electric: Schneider Electric offers medium-voltage transformers and packaged substation solutions to utility, data center, and industrial customers, overlapping with Voltran's medium-power and substation product lines.
• Toshiba Energy Systems & Solutions: Toshiba manufactures large power transformers and provides T&D solutions globally, including for renewable energy projects that compete with Voltran's SolarPAD/WindPAD pad-mounted offerings.
• Hyundai Electric & Energy Systems: Hyundai Electric is a major global manufacturer of power and distribution transformers, increasingly competing in North American utility and renewable energy tenders that Voltran also targets.
• Hitachi Energy: Hitachi Energy (formerly ABB Power Grids) is a global leader in transformers, substation integration, and grid equipment, directly competing with Voltran's power transformer and substation offerings across Mexico and the Americas.
• Eaton (Cooper Power Systems): Eaton manufactures distribution and substation transformers and grid components for utility and industrial customers in the Americas, directly competing with Voltran's substation and medium-power transformer lines.
• Mitsubishi Electric (Power Systems): Mitsubishi Electric produces large power transformers and transmission equipment for utilities and industrial customers, with product overlap on Voltran's high-voltage power transformer business.

Direct peers

• Prolec GE: Prolec GE is a Mexico-based joint venture (GE / Xignux) that manufactures power and distribution transformers, including pad-mounted and substation units, and is one of Voltran's closest direct competitors in Mexico and the Americas.
• WEG T&D (Trafos): WEG's Brazilian transformer and T&D business is Voltran's sister unit within WEG Group; products, technology base, and customer segments are largely overlapping, making it the most natural internal benchmark peer.

Regional players

• Industrias IUSA (Transformadores): Industrias IUSA is a major Mexican electrical equipment manufacturer producing distribution transformers and related products, sharing the same Mexican market as Voltran and competing directly for CFE and private utility orders.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/VoltranWEGGroup
• LinkedInlinkedin.com/company/voltran-transformadores

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Voltran