Transenergy

What Transenergy does

Transenergy s.r.o. is a privately held Czech engineering and construction services company, founded in 2013 and headquartered in Prague, specializing in the design and construction of high-voltage (VHV/VVN) and extra-high-voltage (ZHV/ZVN) overhead power lines across the European Union. The company delivers integrated, full-lifecycle project services including initial feasibility studies, routing, permitting, mast design and assembly, welding, electrical installation, climbing work, technical supervision, property negotiations with landowners, and complete material provision. It serves a narrow set of large enterprise utility customers, primarily transmission system operators (TSOs) such as ČEPS, TenneT, and Amprion, and distribution system operators (DSOs) such as EG.D and WEMAG Netz, with project execution concentrated in the Czech Republic and Germany.

The company's technical platform rests on internally developed proprietary software for power line design optimization and landscape visualization tools used for stakeholder and environmental planning, alongside a catalog of proprietary mast structure series including SOUDEK narrow structures, combined DUNAJ structures, and MERCEDES branch mast structures. It maintains a portfolio of mandatory industry certifications — ISO 9001 (quality), ISO 14001 (environmental), ČSN ISO 45001 (occupational health and safety), ČSN EN 1090-2:2019 (steel/aluminum structural execution), and Approved Economic Operator (AEO) customs status — that pre-qualify it for grid infrastructure tenders across EU jurisdictions.

Transenergy's business model is project-based and quote-driven, with no public pricing. Revenue is generated through three streams: one-time construction and installation contracts (earthworks, mast assembly, electrical installation), professional services for project documentation and technical supervision, and hardware sales via complete material provision. Go-to-market is enterprise field sales targeting TSOs and DSOs directly, supplemented by participation in CIGRÉ international symposia and an organic social presence on LinkedIn, YouTube, and Facebook. The company has no disclosed external funding, no parent company, and operates with 51-100 employees across its Prague headquarters and an Okříšky storage facility.

Name

Transenergy

Legal name

TRANSENERGY s.r.o.

Website

https://transenergy.cz

Company type

Private

Founded year

2013

Operating status

Operating

Headcount range

51–100 employees

Short description

Transenergy is a Czech engineering and construction firm, founded in 2013, that designs and builds high-voltage and extra-high-voltage overhead power lines for transmission and distribution system operators in the Czech Republic and Germany.

Ownership category

akta.pro rank

Product category

Electrical Infrastructure Construction

NAICS

Power and Communication Line and Related Structures Construction (237130)

akta.pro primary industry

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

akta.pro secondary industries

Engineering design services (line design, substation design, civil/structural) (EUADAKAG), Substation Systems & Integration (EPC, Engineering, Protection, Commissioning) (IMAGAAAC)

Keywords

• Overhead power line construction
• High voltage infrastructure
• Transmission line design
• Electrical grid construction
• Power line engineering

Headquarters

HQ city

Praha

HQ country

Czechia

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Construction and Installation Services: One-time project-based revenue from construction and installation of overhead power lines, including earthworks, mast assembly, welding, electrical installation, and climbing work. Projects range from modernization to complete new line construction.
2. Project Design Services: Professional services revenue from processing all stages of project documentation including initial studies, routing, construction permits, and technical supervision for overhead power lines.
3. Material Supply: Revenue from complete provision of materials for power line construction projects.

Go-to-market motion2 records

Distribution channels1 record

Marketing channels4 records

Core offering

Transenergy designs and constructs overhead high-voltage (VHV/VVN) and extra-high-voltage (ZHV/ZVN) power lines for transmission and distribution system operators. The company delivers integrated project services spanning project documentation, design, earthworks, mast assembly and construction, welding, electrical installation, climbing work, material provision, and technical supervision primarily across the Czech Republic, Germany, and other EU countries.

Product overview

Transenergy is an engineering and construction services company specializing in overhead power line infrastructure. The company offers integrated services spanning the full lifecycle of VHV and ZHV power lines: from project documentation and design (Project Documentation Services) through construction and installation (Construction Services) to landscape visualization. The core product is the Design and Construction of Overhead Power Lines, with specialized services for earthworks, electrical installation, mast construction, and technical supervision. The company operates primarily in the Czech Republic and Germany, serving transmission system operators.

Differentiator

Problem solved

Functional benefit

Products and services

• Design and Construction of Overhead Power Lines End-to-end design and construction of overhead VHV/VVN and ZHV/ZVN power lines for transmission system operators (TSOs) and distribution system operators (DSOs), covering the full project lifecycle from initial studies, routing, and permits through construction, reconstruction, or demolition of power line infrastructure.
• Construction and Installation Services Complete construction and electrical installation work for overhead power lines, including earthworks, material supply, mast assembly and construction, welding, electrical installation, and climbing work, delivered to grid operators and infrastructure project owners.
• Project Documentation and Engineering Services Professional processing of all stages of project documentation for VHV and ZHV overhead power lines, including initial studies, routing, construction permits, design services, expert opinions, property negotiations with landowners, public law proceedings, and technical supervision/author oversight.
• Material Provision Complete provision of materials required for power line construction projects, supplied as part of project delivery for TSOs and DSOs.

Named customers5 records

Segments3 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.

• CIGRÉ (International Council on Large Electric Systems)coreStrategic or Co-development PartnerActive members of CIGRÉ working groups, regularly participating in world symposia and drawing experience from international activities. This membership provides access to latest industry trends, modern tools, and best practices in power system engineering.

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• SPITZKE SE: Germany-based EPC contractor specialising in rail catenary and EHV overhead power lines; competes for the same specialised mast assembly, welding, and electrical installation scopes that Transenergy performs for utilities.
• SAG Group: German HV power line and substation construction specialist, now operating under the EQOS Energie umbrella; overlaps directly with Transenergy on German TenneT and Amprion framework work.
• EQOS Energie: Germany-based specialist EPC contractor for overhead HV/EHV transmission lines and substations across Central Europe; the closest like-for-like competitor to Transenergy, sharing both customer overlap (TenneT, Amprion) and project scope.
• LTB Group: German substation and HV line construction firm; comparable to Transenergy in size and customer base, with overlap on substation steel-structure assembly and HV line EPC work for European DSOs/TSOs.
• Cteam Consulting & Anlagenbau: German contractor for overhead transmission lines and mobile network infrastructure; comparable to Transenergy on European EHV overhead line projects and shared TSO customer set.
• Eltel Group: Nordic-headquartered power grid construction and maintenance contractor active across Europe; competes for the same TSO/DSO overhead-line and substation framework agreements as Transenergy.
• Omexom (VINCI Energies): VINCI Energies' brand dedicated to energy infrastructure EPC, including HV/EHV transmission lines and substations; a direct competitor in European TSO tenders and a benchmark for integrated EPC delivery.

Broad incumbents

• GE Vernova: Global grid equipment, services, and transmission solutions provider; overlaps with Transenergy in HV transmission project work but at significantly larger scale and scope.
• Siemens Energy: Global incumbent in grid technology and HV substations; competes for the same large TSO tenders as Transenergy but as part of a much broader portfolio of generation, transmission, and service offerings.
• Hitachi Energy: Global leader in HV transmission equipment, substations, and grid integration services; competes with Transenergy indirectly by serving the same European TSO/DSO customers on larger integrated packages.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/@transenergys.r.o.3434?si=IRbeDkrnLSR2fuXn
• Facebookfacebook.com/profile.php?id=100064689379973
• LinkedInlinkedin.com/company/transenergy-s-r-o-

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 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 Transenergy