What EREA does

EREA Energy Engineering BVBA is a Belgian designer and manufacturer of low-voltage industrial transformers and DC power supplies headquartered in Wijnegem, Belgium. The company's catalogue spans single-phase and three-phase isolating transformers, autotransformers, safety and control transformers, specialized medical isolating transformers certified to EN 61558-2-15 and EN HD 60364-7-710, EV-charging transformers (EC/ECT series), and the PVT series for photovoltaic inverters. Core technical differentiators are the Blue e³ energy-efficiency technology (10-15% lower losses at parity price) and the IRC low inrush current winding design that enables deployment in non-industrial fuse regimes; both are presented as proprietary and the Blue e³ mark is a registered trademark.

The business model is B2B hardware sales with a hybrid go-to-market. Standard catalogue products are kept in stock and dispatched same-day for orders placed before noon (within Belgium); custom transformers can be ordered from a single unit with quoted pricing. Distribution combines a B2B webshop for registered trade accounts with direct technical sales (phone, email, fax, multilingual NL/FR/DE/EN) and an authorized dealer network of 673 stores across Belgium, the Netherlands, France, Germany, Luxembourg, Austria, the UK, Italy, and Spain, including CEBEO, REXEL, YESSS Electric and OOSTERBERG. Customer segments are diversified across seven verticals: renewable energy (PV, heat pumps, wind), medical (hospitals, operating theatres), EV charging infrastructure, marine and offshore, public transport, telecom and data centres, and industrial/OEM, with no single end-customer dependency disclosed.

EREA became independent through a 2013 management buyout from the Niko Group and continues to operate as a privately held, management-owned company from the original Wijnegem facility. The company shows active 2024-2025 product expansion (DER4 monitor upgrade, Stabilized Switching Power Supplies, 800V PV transformers, and Mobile Transformers for events and construction sites) and a strategic co-development partnership with DOSSENA for bundled medical IT-grid solutions. Revenue and headcount are not publicly disclosed, and the company is funded entirely internally with no external investment rounds documented.

Name

EREA

Legal name

EREA Energy Engineering BVBA

Website

https://erea.be

Company type

Private

Founded year

1933

Operating status

Operating

Headcount range

11–50 employees

Short description

EREA is a Belgian manufacturer of energy-efficient low-voltage transformers and DC power supplies, founded in 1933 and independent since a 2013 management buyout from Niko Group, serving renewable energy, medical, EV charging, marine, public transport, telecom, and industrial OEMs across Europe through a 673-store dealer network and direct technical sales.

Ownership category

akta.pro rank

Product category

Industrial Electrical Equipment

NAICS

Power, Distribution, and Specialty Transformer Manufacturing (335311), Electrical Equipment, Appliance, and Component Manufacturing (335)

SIC

Power, Distribution & Specialty Transformers (3612), Electronic & Other Electrical Equipment (No Computer Equip) (3600)

akta.pro primary industry

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

akta.pro secondary industry

AC-DC Power Supplies (Industrial PSUs, DIN-rail, enclosed/open-frame) (IMAGADAA)

Keywords

• Low-voltage transformers
• Energy-efficient transformers
• Medical isolation transformers
• EV charging transformers
• DC power supplies

Headquarters

HQ city

Wijnegem

HQ country

Belgium

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Transformer and Power Supply Sales: EREA generates revenue primarily through the sale of manufactured low-voltage transformers and DC power supplies. The product range includes standard transformers (single-phase, three-phase, safety, control, autotransformers) as well as specialized models for medical, EV charging, and renewable energy applications. Custom transformer solutions are also offered.
2. Custom Transformer Solutions: Bespoke transformer manufacturing for specific customer requirements. Custom solutions are available from single units, with quotes provided based on customer specifications.
3. Accessories and Components: Sale of transformer accessories including protection cases (IP20-IP44), silent blocks, inrush current limiters, DIN-rail supports, and power line protection equipment.

Pricing tiers

Go-to-market motion1 record

Distribution channels8 records

Marketing channels5 records

Core offering

EREA designs, manufactures, and supplies low-voltage industrial transformers and DC power supplies. Its portfolio spans single-phase and three-phase isolating transformers, autotransformers, medical isolation transformers, EV charging and photovoltaic (PV) transformers, as well as stabilized switching power supplies and power line protection devices, sold under the Blue e³ energy-efficiency brand. The company also offers custom-engineered transformer solutions starting from single-unit quantities.

Product overview

EREA is a Belgian manufacturer of energy-efficient low-voltage transformers and power supplies. The product portfolio centers on industrial-grade transformers including single-phase and three-phase isolating transformers, with specialized ranges for medical environments, electric vehicle charging stations (EC/ECT series), and photovoltaic installations (PVT series). The core offering comprises the SPT/BTE energy-efficient transformer series for industrial applications, complemented by DC power supplies (transformer rectifiers, stabilized power supplies, stabilized switching power supplies), power line protection equipment (insulation monitoring, differential current monitoring, remote alarm indicators), and accessories (protection cases, inrush current limiters, DIN-rail supports, silent blocks). The company emphasizes energy efficiency through its Blue e³ branded products and provides a TCO Calculator tool to demonstrate lifecycle cost savings.

Differentiator

Problem solved

Functional benefit

Brands

• Blue e³: Energy-efficient transformer product line with lower energy losses. The brand name stands for 'EREA Energy Efficiency' and offers industrial transformers (SPT/BTE series) with reduced operating costs through lower losses and smaller voltage drop at full load.

Products and services

• SPT/BTE Energy-Efficient Transformers Energy-efficient industrial 3-phase isolating transformers designed for optimal Total Cost-of-Ownership (TCO). SPT series for standard industrial applications; BTE series for medium to high consumption profiles with enhanced energy efficiency under the Blue e³ brand.
• Single-Phase Transformers Comprehensive range of single-phase transformers including safety transformers (TS, SB, SC series), control transformers (TC series), autotransformers (TAB series), low inrush current transformers (EC/IRC series), and halogen lighting transformers (SC/SKA series).
• Three-Phase Transformers Wide range of 3-phase transformers including SPT series (1-100 kVA), SPT/BTE energy-efficient series, ATT autotransformers, ECT low inrush current series (7.4-22 kVA) for EV charging, and PVT series (6-63 kVA) for PV systems.
• Medical Transformers Protection transformers for creating IT network systems in medical environments. Includes TMHD and TMTHD ranges meeting EN 61558-2-15, EN HD 60364-7-710 and T013-IA standards with limited no-load current (<3%), limited inrush current (<8x rated), and limited leakage current (<500µA).
• Transformer Rectifier DC power supply units that combine transformer functionality with rectifier circuits for converting AC to DC power.
• Stabilized Power Supply DC power supplies that provide stable output voltage regardless of input variations or load changes.
• Stabilized Switching Power Supply High energy efficiency DC power supplies using switching technology for lower electricity consumption. Launched as a new product in May 2025.
• Stabilizers Voltage stabilizers for maintaining consistent output voltage despite input fluctuations.
• Mobile Transformers Mobile transformers designed for events, construction sites and hire businesses. Features plug-and-play functionality for low voltage applications. Launched in November 2025.
• 800V Transformers for PV Installations 800V transformers designed for larger PV installations with higher voltages, ensuring seamless power supply to local distribution boxes. Launched in June 2025.

Quantifiable outcome

• Energy-efficient BTE transformers offer 10-15% improved efficiency over classic series with same price, resulting in lower TCO through energy savings
• +3 more outcomes

Named customers1 record

Segments8 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• DOSSENAcoreStrategic or Co-development PartnerDOSSENA is a strategic partner for medical isolation monitoring systems. Together with EREA's medical transformers, DOSSENA provides isolation monitoring equipment that creates an optimized, comprehensive package for medical IT grid systems. This partnership addresses the need for reliable isolation monitoring in medical environments alongside high-quality transformers.

Scale indicators4 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• TMC Transformers: European manufacturer of custom and standard transformers, reactors, and filters for industrial, traction, and power-electronics applications. Comparable to EREA in custom-from-single-unit manufacturing, vertical focus, and mid-sized independent ownership profile.
• Block Transformatoren-Elektronik GmbH: German-based manufacturer of transformers, power supplies, and inductors for industrial, medical, and renewable energy applications. Closely comparable to EREA in product portfolio (low-voltage isolating transformers, medical-grade, EV/PV) and target customer base, making it the most direct European peer.
• Socomec: European manufacturer specializing in power conversion, isolation, and UPS equipment for industrial and healthcare applications. Comparable to EREA in medical isolating transformer and power-quality product lines, with similar European focus and channel strategy.
• Hammond Manufacturing (Hammond Power Solutions): North American manufacturer of dry-type transformers, reactors, and magnetics for industrial, commercial, and renewable-energy applications. Comparable in product mix (low-voltage, isolation, autotransformer) and custom-manufacturing approach, though primarily serving a different geography.

Broad incumbents

• ABB: Global broad-line electrical equipment manufacturer offering dry-type and liquid-filled transformers as part of a full substation, drive, and power-conversion portfolio. Overlaps with EREA across industrial, EV-charging, and renewable-energy transformer applications but competes primarily via larger-scale, higher-voltage segments.
• Siemens: Global broad-line electrical engineering incumbent producing transformers from low-voltage distribution up to large power transformers, with full grid and industrial electrification offerings. Overlaps with EREA in industrial and rail electrification verticals.
• Eaton: Global power management company offering transformers, UPS, and electrical components for industrial, data center, and utility applications. Comparable to EREA in low-voltage industrial transformers and increasingly in EV-charging power infrastructure.
• Schneider Electric: Global energy management and automation major offering transformers, UPS, and power distribution solutions. Competes with EREA in industrial and commercial low-voltage transformer segments, particularly for EV-charging and renewable-energy integration projects.
• Legrand: Global specialist in electrical and digital building infrastructure with a transformer and power-supply portfolio sold predominantly through European electrical wholesalers. Comparable distribution model and SMB/installer customer base to EREA, though with a far broader catalog.
• TDK-Lambda: Manufacturer of AC-DC and DC-DC power supplies, including industrial DIN-rail and programmable units. Directly comparable to EREA's DC power supply and stabilized switching power supply product lines for industrial automation customers.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/sharer/sharer.php?u=https%3A%2F%2Ferea.be
• LinkedInlinkedin.com/company/erea---industrial-transformers

Compliance3 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 EREA