bouygues e&s enertrans

What bouygues e&s enertrans does

EnerTrans Switzerland AG, operating as Bouygues E&S EnerTrans, is a Swiss specialty engineering and construction firm that plans, builds, and operates high-voltage and medium-voltage electrical installations. Founded in 2011 and headquartered in Switzerland with 3 additional branches in Germany, the company employs 150 people across 13 locations, including 4 apprentices. Its core technical scope covers overhead lines and cable systems, switchgear up to 380 kV, gas-insulated switchgear (GIS), and digital grid modelling, with a proprietary geometry-independent lightning protection analysis applied to demanding projects including hydrogen infrastructure. The company also provides asset management services such as network analysis, NIS calculations, servitude management, technical documentation, and grid facility recording and modelling.

The firm's business model combines project-based infrastructure services with a recurring asset management layer. Revenue is generated through turnkey engineering, procurement, and construction contracts for substations and transmission lines, complemented by ongoing technical documentation, network analysis, and grid digitization engagements that function subscription-style. Customer acquisition is sales-led and direct, targeting transmission system operators (Swissgrid, Transnet BW, Tennet), network and utility companies, industrial customers (Stahlwerk Gerlafingen, Biogen), railway operators (SBB, BLS AG, Matterhorn Gotthard Bahn), and power plant operators (Nant de Drance, Primeo Energie). Pricing is project-based and not publicly disclosed.

EnerTrans operates as a subsidiary of Equans Switzerland, itself part of the broader Equans group (formerly Bouygues E&S), which provides group-level resources, ethics and compliance frameworks, and international reach. The company holds ISO 9001, 14001, and 45001 certifications issued by SQS, as well as Safety Culture Ladder (SCL) certification from NEN, signalling quality, environmental, and safety management maturity relevant to high-voltage infrastructure tenders in regulated European markets.

Name

bouygues e&s enertrans

Legal name

EnerTrans Switzerland AG

Website

https://enertrans.ch

Company type

Private

Founded year

2011

Operating status

Operating

Headcount range

51–100 employees

Short description

EnerTrans Switzerland AG plans, builds, and operates high and medium voltage electrical installations for transmission grid operators, utilities, railways, power plants, and industrial customers across Switzerland and Germany, with an integrated asset management service line, as a subsidiary of Equans Switzerland.

Ownership category

akta.pro rank

Product category

High Voltage Grid Infrastructure Services

NAICS

Electric Power Transmission, Control, and Distribution (22112), Electric Power Generation, Transmission and Distribution (2211), Electric Bulk Power Transmission and Control (221121)

SIC

Water, Sewer, Pipeline, Comm & Power Line Construction (1623), Switchgear & Switchboard Apparatus (3613)

akta.pro primary industry

Overhead Transmission Line EPC (HV/EHV) (EUAEABAA)

akta.pro secondary industries

Testing, Commissioning & Energization Services (HV) (EUAEABAI), Grid Interconnection & Collector Substation EPC (Utility-Scale Renewables) (EUAEABAK), Substation Systems & Integration (EPC, Engineering, Protection, Commissioning) (IMAGAAAC), Transmission line EPC & construction (overhead) (EUADAKAA), Distribution Substations & Switching Stations (MV) EPC (EUAEACAC), Transmission Interconnection & Line Works (Gen-Tie Lines, Overhead/Underground Lines) (EUAMAFAF)

Keywords

• High voltage grid construction
• Medium voltage installations
• Substation and switchgear services
• Transmission line engineering
• Grid asset management

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Infrastructure Project Services: Planning, engineering, construction, and commissioning of high and medium voltage infrastructure projects for grid operators, utilities, and industrial customers. Services include turnkey substations, transmission lines, and facility upgrades.
2. Asset Management Services: Ongoing technical documentation, network analysis, NIS calculations, servitude management, and grid digitization services for operational asset optimization

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

EnerTrans plans, builds and operates high and medium voltage electrical installations, including overhead lines, cable systems, substations and switchgear, for transmission and distribution grid operators, utilities, power plants and large industrial customers. The company also delivers asset management services covering network analyses, simulations, lightning protection calculations, servitude management, technical documentation and grid digitization, supported by certified safety, quality and environmental management systems.

Differentiator

Problem solved

Functional benefit

Products and services

• Lines (Leitungen) Planning, construction and maintenance of high and medium voltage overhead lines and cable systems for grid operators, utilities, power plants and industrial customers, delivered across Switzerland and Germany.
• Facilities (Anlagen) Planning, construction and commissioning of substations and switchgear installations for high and medium voltage grids, including transformer replacement and brownfield upgrades for utilities and industrial clients.
• Asset Management Recurring asset management services covering network analyses and simulations, lightning protection and EMF/NIS calculations, servitude management, technical documentation and digitization of grid data for grid operators and industrial customers.

Quantifiable outcome

• 125 MVA transformer replacement completed in 10 days, minimizing production interruption
• +1 more outcomes

Named customers10 records

Segments5 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• Equans (Bouygues E&S)coreStrategic or Co-development PartnerEnerTrans Switzerland AG operates as part of the Equans group (formerly Bouygues E&S), benefiting from the group's resources, standards, and international reach while maintaining local market focus in Switzerland and Germany.

Scale indicators5 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Implenia: Leading Swiss construction and infrastructure services company active in energy infrastructure, civil works, and large-scale project delivery in Switzerland and Germany. Comparable in Swiss home market and infrastructure focus, though broader in scope.
• AFRY: European engineering and consulting company with a strong power and T&D practice covering HV substations, transmission, and energy transition projects. Comparable in offering to TSOs, utilities, and industrial customers, with overlapping DACH presence.
• EQOS Energie: European specialist in energy infrastructure construction and services with strong DACH presence in HV overhead lines, substations, and cable networks. Directly comparable in scale, geography, and offering to EnerTrans.
• Tractebel (Engie): Engie-owned engineering consultancy active in power transmission, substation design, and grid advisory across Europe. Comparable in serving TSO and utility clients on HV infrastructure engineering and project management engagements.
• ELTEL Group: Nordic-headquartered power and communication infrastructure services provider delivering HV transmission, substation, and distribution services across Europe. Comparable specialist EPC and asset services model targeting utilities and TSOs.
• Omexom (VINCI Energies): VINCI Energies' brand dedicated to energy infrastructure including HV substations, transmission lines, and grid services across Europe. Closely comparable service portfolio and customer base (utilities, TSOs, industrial customers) to EnerTrans.

Broad incumbents

• Hitachi Energy: Global market leader in grid technologies including HV substations, HVDC, transformers, and grid integration services. Competes with EnerTrans on larger turnkey projects for the same TSO and utility customers in DACH and Europe.
• SPIE: European multi-technical services group with a dedicated energy infrastructure division spanning HV substations, transmission, and grid services. Larger and broader portfolio than EnerTrans but overlapping in target customers and core services.
• Siemens Energy (Grid Technologies): Global grid technology incumbent offering HV substations, HVDC systems, grid software, and EPC services to TSOs and utilities worldwide. Operates at a much larger scale and broader scope than EnerTrans but competes for the same customer wallet.
• ABB (Electrification / Grid Integration): Global electrification and automation leader with significant grid integration and substation offerings. Competes with EnerTrans on HV substation EPC, protection, and automation, though at substantially larger scale.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/enertrans-switzerland

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

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 bouygues e&s enertrans