Eiffage Energie Systemes

What Eiffage Energie Systemes does

Eiffage Énergie Systèmes is the energy systems division of the Eiffage Group, a French conglomerate listed on Euronext Paris and included in the CAC 40 index since December 2025. The company designs, builds, operates and maintains systems and equipment across four engineering disciplines — electrical, industrial, climate (HVAC) and energy — for clients in Industry, Tertiary (commercial buildings), Infrastructures and Networks, and Cities and Local Authorities. Named customers include EDF (emergency diesel generators across all 36 units of the French nuclear fleet), RTE (Celtic Interconnector and grid-scale BESS), Iberdrola (Núñez de Balboa PV), Capital Energy, MASEN (NOOR Atlas solar program), SNCF Réseau (BPL high-speed rail), Telehouse, the French Ministry of Ecological Transition, CNES (Ariane 6 ELA4 launch complex), and Crédit Agricole Assurances (Grand Hôtel Dieu Lyon). In FY2025 the company reported €3.5 billion in revenue with more than 15,000 employees across more than 100 European locations.

The technical portfolio includes the Finistère SmartConnect multi-service digital platform for smart cities, AI-powered Building Energy Management Systems integrating PV, battery storage and EV charging via predictive analytics, smart tunnel and connected motorway infrastructure (Tunnel de la Porte de Hal in Brussels; Aire Lab de Jugy), proprietary products such as the SM@RT FLOW connected gas volume converter (the first Product Environmental Profile-certified professional electronic product), and reference-scale renewable energy builds at Núñez de Balboa (832 GWh/year), Quilapilun (110 MW in Chile) and NOOR Atlas (225 MWp across four Moroccan sites). Revenue is generated through a mix of large fixed-price and cost-plus EPC contracts, long-term operations and maintenance service agreements, and MEP engineering services delivered through regional subsidiaries. Go-to-market is sales-led and project-based, executed through a multi-brand structure (Clemessy, Dorsalys, Expercité, Terceo, Meci, DC Blue, Yousense) plus a network of national subsidiaries in France, Germany, Italy, Spain, Belgium, and Austria.

Growth is being driven primarily by an aggressive European M&A program — Salvia (Germany, 2023), EQOS Energie (Germany/Austria, 2024), CVS Group (2025), Socotis (Italy, 2026), HTW Engineers (Germany, 2026), Quercy Réfrigération (France, 2026) and Hand & Werk/DC Blue (Germany, 2026) — alongside strategic partnerships such as the Nexans-led Celtic Interconnector consortium and the Entech BESS joint venture. The company runs an internal training university delivering approximately 500,000 hours per year (3% of payroll), recruits more than 2,000 interns and work-study students annually through partnerships with roughly 30 engineering schools, and operates the three-year IMPACT graduate program. It also participates in flagship public-sector infrastructure programs including Paris district heating renewal with Dalkia and RATP Solutions Ville, providing both recurring concession revenue and a credentialing platform for future tenders.

Name

Eiffage Energie Systemes

Legal name

Eiffage Énergie Systèmes – Gestion et développement

Website

https://eiffageenergiesystemes.com

Company type

Private

Founded year

2023

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Eiffage Énergie Systèmes designs, builds, operates and maintains electrical, industrial, HVAC and energy engineering systems across Europe. It serves industry, infrastructure, cities and commercial clients, generating €3.5 billion in FY2025 revenue with more than 15,000 employees.

Ownership category

akta.pro rank

Product category

Electrical and Industrial Engineering Services

NAICS

Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341), Totalizing Fluid Meter and Counting Device Manufacturing (334514), Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (333415)

SIC

Industrial Instruments For Measurement, Display, And Control (3823), Electronic & Other Electrical Equipment (No Computer Equip) (3600), Auto Controls For Regulating Residential & Comml Environments (3822), Refrigeration & Service Industry Machinery (3580)

akta.pro primary industry

Substation & Interconnection EPC (Collector/POI Substations, Switchyards) (EUAEADAC)

akta.pro secondary industries

Wind Power Plant EPC (Onshore/Offshore) (EUAEAAAF), Wind Balance-of-Plant EPC (Crane Pads, Turbine Foundations, Internal Roads) (EUAEADAI), Power Plant Electrical Systems EPC (Switchyard, Transformers, Protection & Controls) (EUAEAAAM), Electrical Balance-of-Plant EPC (MV Collection, Cabling, Earthing, Lighting) (EUAEADAB), Civil & Site Works EPC (Earthworks, Roads, Drainage, Foundations) (EUAEADAA)

Keywords

• Electrical engineering services
• Industrial engineering systems
• HVAC energy systems
• Renewable energy infrastructure
• Smart city solutions

Headquarters

HQ city

Vélizy-villacoublay

HQ country

France

HQ region

Europe

Offices5 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Engineering, Procurement and Construction (EPC) Contracts: Turnkey project delivery for electrical, industrial, HVAC and energy engineering systems including design, construction, commissioning, and O&M services. Revenue is generated through large fixed-price or cost-plus contracts for infrastructure (solar plants, wind farms, data centers, tunnels, rail), industrial facilities, and commercial/tertiary buildings. Examples include the NOOR Atlas Morocco solar program and Campus AI Fouju high-voltage substation.
2. Operations and Maintenance Services: Ongoing maintenance, facility management, and operational support contracts for installed systems and infrastructure. The company provides O&M services for renewable energy plants, industrial sites, data centers, and public infrastructure. This stream generates recurring revenue from long-term service agreements.
3. Technical Building Services and MEP Engineering: Mechanical, Electrical, and Plumbing (MEP) engineering services and technical building services through subsidiaries and acquisitions (HTW Engineers, Socotis). Revenue from design, planning, and execution of complex building systems for private and public sector customers.
4. Industrial Refrigeration: Industrial cooling and refrigeration services through Quercy Réfrigération, covering design, installation, maintenance, and energy optimization for the agrifood sector and industrial clients.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels10 records

Core offering

Eiffage Energie Systemes designs, builds, operates and maintains systems and equipment in electrical, industrial, climate and energy engineering. The company delivers turnkey EPC contracts, operations and maintenance services, technical building services and MEP engineering across industrial, tertiary, infrastructure and municipal markets in Europe. It also develops proprietary digital platforms and connected metering products for smart city, energy efficiency and decarbonization applications.

Product overview

Eiffage Énergie Systèmes is an energy and infrastructure services company that designs, builds, operates, and maintains systems and facilities in electrical, industrial, and HVAC (heating, ventilation, air conditioning) engineering. The company's portfolio is organized around several sub-brands including Clemessy (engineering and design), Dorsalys (digital solutions), Terceo (energy efficiency), Expercité (urban solutions), and Meci (metering and analysis). Key products include SM@RT FLOW, a connected gas volume converter for transactional metering. The company also offers digital platforms like Finistère SmartConnect for smart city applications, along with specialized services such as the IMPACT Graduate Program for talent development. Core offerings span electrical engineering, industrial engineering, and HVAC/energy engineering across markets including industry, infrastructure, cities, and tertiary sectors.

Differentiator

Problem solved

Functional benefit

Brands

• Clemessy: Multi-technology solutions for industry, energy infrastructure, and nuclear sector.
• Dorsalys
• Expercité
• Terceo
• Meci
• DC Blue
• Yousense

Products and services

• Clemessy Multi-Technology Engineering Services Specialist service brand delivering engineering and design services, particularly in industrial electrical systems, mechanical engineering, and nuclear sector multi-technology solutions for industrial and infrastructure clients.
• Dorsalys Digital and Electrical Services Service brand providing digital and electrical engineering services focused on energy transition and digital infrastructure projects for utilities, transport networks, and industrial clients.
• Terceo Energy Efficiency and HVAC Services Service brand delivering energy efficiency and HVAC solutions, including building energy management, climate engineering, and performance optimization for tertiary and commercial building clients.
• Expercité Urban and Municipal Solutions Service brand providing urban and municipal energy solutions including smart city infrastructure, public lighting, urban mobility, and citizen-facing digital platforms for cities and local authorities.
• SM@RT FLOW Connected Gas Volume Converter Connected gas volume converter designed for transactional metering of all types of gas, installable in explosive atmospheres or isolated sites with ultra-low power consumption providing over 10 years battery life. Manufactured by the Meci brand for gas utilities and industrial gas operators.
• Meci Transactional Metering and Analysis Products Specialist brand designing and manufacturing metering and analysis products for transactional gas measurement and analysis, with over 50 years of experience serving gas utilities and industrial customers.
• Finistère SmartConnect Digital Platform Scalable and interoperable multiservice digital platform enabling local authorities to collect and manage data related to energy performance, environment, mobility, and urban services through IoT sensors and low-power radio networks with data sovereignty guarantees.
• Industrial Refrigeration Services (Quercy Réfrigération) Design, installation, maintenance, and energy optimization of industrial cooling and refrigeration systems for the agrifood sector and industrial clients, with patented methods to reduce food wastage and improve energy efficiency.
• Nuclear Emergency Diesel Generator (DUS) Systems Design, installation, and life-cycle support of emergency diesel generator systems (Diesels d'Ultime Secours) for nuclear power plant safety, deployed across all 36 units of the French nuclear fleet as part of post-Fukushima safety upgrade program.
• Solar and Renewable Energy EPC Services Turnkey engineering, procurement, construction, commissioning and operations and maintenance services for large-scale solar photovoltaic plants, wind farms, and battery energy storage systems across Europe, Latin America, and Africa.

Quantifiable outcome

• Energy savings of 15–20% in public buildings in Finistère through the Finistère SmartConnect platform
• +4 more outcomes

Named customers19 records

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Eleven partnerships are on record, tiered core, flagship and minor.

• NexanscoreStrategic or Co-development Partner · 28 April 2026Eiffage Énergie Systèmes (along with Eiffage Génie Civil) was selected by Nexans as a partner for the French onshore section of the Celtic Interconnector project, an electricity interconnector between Ireland and France. Eiffage is constructing a 320 kV double underground circuit over 40 km in northern Brittany for the Cidac consortium led by RTE and EirGrid.
• Hand & Werk (DC Blue)coreStrategic or Co-development Partner · 28 April 2026Eiffage, through its German subsidiary Salvia, acquired a 74.9% stake in Hand & Werk, a company specializing in data center projects in Germany operating under the DC Blue brand. This acquisition supports Eiffage's expansion into the German data center market.
• Quercy RéfrigérationcoreStrategic or Co-development Partner · 9 February 2026Eiffage, through its subsidiary Eiffage Énergie Systèmes, signed an agreement to acquire 70% of Quercy Réfrigération, a firm specializing in industrial refrigeration for the agrifood sector. Founded in 2007, the company employs more than 160 people across 10 agencies in France and generated revenue of €66 million in 2025.
• HTW EngineerscoreStrategic or Co-development Partner · 4 February 2026Eiffage Énergie Systèmes, through its German subsidiary Salvia, acquired 100% of HTW Engineers, an engineering consultancy specializing in MEP systems. Founded in 1969, HTW Engineers has approximately 80 employees across Düsseldorf, Berlin, and Leipzig, and generated revenue of almost €10 million in 2024.
• EntechcoreStrategic or Co-development Partner · 30 January 2026Eiffage Énergie Systèmes has partnered with Entech, a specialist in storage and intelligent management of renewable energies, to construct two battery energy storage system (BESS) plants in France with a total capacity of 200 MW / 400 MWh. Eiffage handles project management and balance of plant works (civil and electrical engineering, HTB substation construction), while Entech is responsible for technical direction and the software component. Commissioning is scheduled for the first half of 2027.
• SocotiscoreStrategic or Co-development Partner · 19 January 2026Eiffage Énergie Systèmes, through its Italian subsidiary Elettromeccanica Galli Italo (51% owned by Eiffage Group), acquired 70% of Socotis, a company with 64 employees specializing in climate control and energy engineering for commercial and industrial markets. Socotis generated revenue of €45 million in 2024.
• MASEN (Moroccan Agency for Sustainable Energy)flagshipStrategic or Co-development Partner · 1 January 2024Eiffage Énergie Systèmes, through its subsidiary, is executing a turnkey contract for MASEN to develop four ground-mounted solar power plants under the NOOR Atlas programme in Morocco with a combined capacity of 225 MWp. The company handles engineering, procurement, construction, commissioning, and seven years of operations and maintenance services. Construction began in early 2026 with commissioning expected by mid-2027.
• QwantminorStrategic or Co-development PartnerQwant, the French search engine specializing in data storage and processing, is part of the consortium created by Eiffage Énergie Systèmes for the Finistère SmartConnect project. Qwant contributes data sovereignty and storage capabilities to the multi-service digital platform for Finistère local authorities.
• Sensing VisionminorStrategic or Co-development PartnerSensing Vision, a Breton start-up specializing in connected objects and network design and supervision, is part of the consortium for the Finistère SmartConnect project, providing IoT and sensor infrastructure for the smart city platform.
• DolmenminorStrategic or Co-development PartnerDolmen, a citizen communication platform, is part of the consortium for the Finistère SmartConnect project, enabling citizen engagement and communication with local authorities through the digital platform.
• Dalkia / RATP Solutions VilleflagshipStrategic or Co-development PartnerEiffage participates in a consortium with Dalkia and RATP Solutions Ville that was selected by the Paris Council for the renewal of the Paris district heating network concession. This is a major public concession contract in one of Europe's largest cities.

Scale indicators16 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Hitachi Energy: Hitachi Energy (formerly Hitachi ABB Power Grids) is a global leader in power grids, offering transformers, substations, and grid automation. Overlaps with Eiffage Énergie Systèmes in substation EPC and grid interconnection projects (e.g., similar Celtic Interconnector supplier base).
• Schneider Electric: Schneider Electric is a global leader in energy management and automation, offering building management systems, substation automation, and renewable energy integration. Overlaps with Eiffage Énergie Systèmes in BEMS and electrical infrastructure but operates as a primarily product/technology vendor.
• ABB: ABB is a global electrification and automation company with strong positions in substations, renewable energy integration, and industrial automation. Comparable in grid interconnection and industrial electrification but at much larger scale and with deeper technology focus.
• Bouygues Construction: Bouygues Construction is a major French construction group with energy and infrastructure capabilities, sister to former parent of Equans. Competes with Eiffage Group in large-scale infrastructure delivery including energy systems integration.
• Siemens Smart Infrastructure: Siemens Smart Infrastructure provides building and energy systems, grid software, and electrification products globally. Comparable in building energy management, substation automation, and grid software, though with much stronger technology-product orientation.
• GE Vernova: GE Vernova is the power generation, grid, and wind business spun off from GE, providing equipment and services for utilities. Comparable in renewable energy EPC scope and grid infrastructure, though positioned more as an OEM than a multi-technical services contractor.
• ENGIE Solutions: ENGIE Solutions is the B2B energy services division of French utility ENGIE, covering district heating, energy efficiency, and infrastructure. Overlaps with Eiffage Énergie Systèmes in city/tertiary energy services and district heating concessions but operates within a broader utility parent's portfolio.

Direct peers

• Vinci Energies: Vinci Energies is the multi-technical energy services arm of French group Vinci, offering electrical engineering, HVAC, ICT, and renewable energy infrastructure across Europe. Directly comparable in business model, customer mix (industry, infrastructure, cities, tertiary), and European geographic footprint.
• Spie: Spie is a leading French independent multi-technical services company providing electrical, HVAC, mechanical, and ICT services across Europe. Closely mirrors Eiffage Énergie Systèmes across industry, tertiary, and infrastructure client segments with similar project-based EPC and recurring services.
• Equans: Equans is the multi-technical energy services business carved out from Bouygues, active across electrical, HVAC, and energy infrastructure in Europe. Directly comparable in service portfolio and end markets, including renewables, smart buildings, and grid infrastructure.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

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• Instagraminstagram.com/eiffageenergiesystemes/?locale=en-us

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Subsidiaries12 records

Funding overview

Funding rounds

Investors

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

M&A3 records

Investments

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

Frequently asked questions about Eiffage Energie Systemes