What Dalkia does

Dalkia is a France-headquartered energy services company and wholly-owned subsidiary of EDF Group, founded in 1937 and operating with more than 23,000 employees across France, the United Kingdom, Poland, and the UAE. The company designs, builds, finances, and operates district heating and cooling networks, renewable and recovery energy installations (biomass, geothermal, thalassothermy, biogas, waste-to-energy), and energy management infrastructure for five core client segments: local authorities and municipalities (Collectivités), social and collective housing (Habitat), industry, healthcare, and commercial/tertiary buildings. Notable infrastructure includes the Paris district heating network serving nearly one million residents under a €15 billion, 25-year concession awarded in November 2025, replacing Engie after a five-year procurement process, plus more than 4,200 public buildings, 500+ swimming pools, and 2+ million collective housing units heated across France.

Dalkia's core technology stack combines physical energy infrastructure (heating plants, networks, on-site generation) with a digital management layer. The Dalkia Energy Savings Center provides centralized real-time monitoring and optimization across connected installations, while proprietary tools such as Smart Grids Thermiques balance supply and demand across multiple renewable sources, NemoPool performs continuous trichloramine air quality control in aquatic centers, and Dynapool simulates energy consumption based on attendance and weather patterns. A 2025 deployment of measurable.energy AI-powered smart sockets at Dalkia's Glasgow office delivered a 52% reduction in energy use and 49% carbon decrease, indicating an emerging digital optimization layer. Specialized subsidiaries include Dalkia EN (nuclear facilities services across 23 French nuclear sites and eight UK sites under a £200M+ EDF Nuclear Operations contract) and Dalkia Polska following the January 2026 acquisition of Edison Next Poland (€100M turnover).

The company operates a managed services and infrastructure concession revenue model. Primary revenue streams include long-term Energy Performance Contracts (CPE/CPC) with guaranteed outcomes, multi-technical maintenance agreements, concession-based district heating and cooling network management, project-based EPC works, and specialized energy efficiency services. Contracts are priced bespoke per scope, segment, and performance commitment, with multi-year terms (e.g., the Paris 25-year concession, EDF Nuclear Operations multi-year UK contract, Fujitsu three-year FM contract). Dalkia sells primarily through direct enterprise field sales organized by region and segment, supplemented by competitive tenders for strategic accounts and, internationally, through acquisition of local energy services companies. Customer outcomes cited include 4.2 Mt CO2 avoided in 2022, up to 40% energy savings for local authorities, and up to 50% natural gas reduction for industrial clients served by green hydrogen.

Name

Dalkia

Legal name

DALKIA

Website

https://dalkia.fr

Company type

Private

Founded year

1946

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Dalkia is an EDF Group subsidiary and French energy services company designing, building, and operating district heating and cooling networks, renewable energy systems, and energy performance contracts for municipalities, healthcare facilities, housing, industry, and commercial clients across France, the UK, Poland, and the UAE.

Ownership category

akta.pro rank

Product category

Energy Services and District Energy

NAICS

Steam and Air-Conditioning Supply (221330), Biomass Electric Power Generation (221117), Electric Power Generation (22111)

SIC

Cogeneration Services & Small Power Producers (4991), Electric, Gas & Sanitary Services (4900)

akta.pro primary industry

District Energy Biomass Plants (Heating Networks) (EUAAAGAB)

akta.pro secondary industries

Biomass Plant Operations, Maintenance & Performance Services (O&M) (EUAAAGAI), Biomass CHP & Cogeneration Plants (Industrial & Utility) (EUAAAGAA), District Energy & CHP-Based Microgrids (Thermal Networks + Power) (EUACALAL), Biomass Plant EPC & Integration (Design/Build, Balance of Plant) (EUAAAGAH)

Keywords

• Energy services
• District heating networks
• Energy performance contracts
• Renewable energy solutions
• Facilities management services

Headquarters

HQ city

Saint André

HQ country

France

HQ region

Europe

Offices10 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Energy Performance Contracts and Facilities Management: Dalkia generates revenue through long-term energy performance contracts (CPE/CPC), facilities management agreements, and multi-technical service contracts with public and private sector clients. Services include operation, maintenance, and optimization of energy installations with guaranteed performance outcomes.
2. District Heating and Cooling Network Management: Concession-based management of urban heating and cooling networks, including design, construction, and operation of district energy infrastructure. Revenue derived from network usage fees under long-term municipal concessions (e.g., €15bn Paris district heating concession over 25 years).
3. Energy Infrastructure Works and Construction: Engineering, procurement, and construction services for energy infrastructure projects including heating plants, renewable energy installations, and network extensions. Revenue generated through project-based works contracts.
4. Energy Efficiency Services for Industry: Specialized energy efficiency services for industrial clients and district heating sectors, including energy infrastructure maintenance, green technology deployment, and optimization projects. The Edison Next Poland acquisition contributed approximately €100 million in annual turnover.

Pricing tiers

Go-to-market motion2 records

Distribution channels6 records

Marketing channels8 records

Core offering

Dalkia is an energy services company that designs, builds, finances, operates, and maintains energy installations and networks for public and private clients across five segments: Collectivités (municipalities), Habitat (housing), Industrie (industry), Santé (healthcare), and Tertiaire (commercial). Its core offerings include district heating and cooling networks, renewable and recovery energy solutions (biomass, geothermal, thalassothermy, biogas, waste-to-energy), energy performance contracts (CPE) with guaranteed savings, multi-technical maintenance, and intelligent energy management via proprietary smart grid thermal networks.

Product overview

Dalkia is an energy services company and EDF Group subsidiary offering comprehensive solutions for energy transition across five client sectors: Collectivités (local authorities), Habitat (housing), Industrie (industry), Santé (healthcare), and Tertiaire (commercial buildings). The core portfolio centers on district heating and cooling networks, supplemented by renewable energy solutions including biomass, geothermal, thalassothermy, biogas, and waste-to-energy recovery. Key service offerings include Performance Energy Contracts (CPE) guaranteeing measurable savings, multi-technical maintenance, intelligent energy management through Smart Grids Thermiques, and specialized solutions for aquatic centers using NemoPool and Dynapool tools. Dalkia operates through regional subsidiaries including Dalkia EN for nuclear expertise, supported by Campus Dalkia for professional training. The company connects buildings to regional Energy Savings Centers for real-time monitoring and optimization.

Differentiator

Problem solved

Functional benefit

Products and services

• District Heating and Cooling Networks (Réseaux de chaleur et de froid) Design, construction, and operation of urban district heating and cooling networks that distribute renewable and recovered thermal energy to buildings across territories. Dalkia manages one of Europe's largest district heating systems under the €15bn 25-year Paris concession, serving nearly one million residents.
• Energy Performance Contracts (Contrat de Performance Énergétique / CPE) Performance-based energy contracts that guarantee measurable energy savings for clients, covering buildings, facilities, and entire territories with contractual commitments to reduce consumption. Includes energy audits, financing, works, and verified outcomes with savings up to 40% for local authorities.
• Renewable and Recovery Energy Solutions (Biomass, Geothermal, Thalassothermy, Biogas, Waste-to-Energy) Development and operation of renewable energy installations including wood-fired biomass heating, deep geothermal systems, marine-based thalassothermy using seawater, biogas production from organic waste, and energy recovery from industrial waste heat and waste incineration, integrated with district heating networks and on-site generation.
• Energy Management and Remote Piloting Services (Pilotage Énergétique) Intelligent energy management services connecting client buildings and installations to Dalkia's regional Energy Savings Centers for real-time monitoring, predictive maintenance, and energy performance optimization through smart grid thermal networks.
• Multi-Technical Maintenance Services (Maintenance Multitechnique) Comprehensive maintenance services covering electrical, plumbing, HVAC, air treatment, regulation, and automation systems across client facilities, delivered as part of integrated facility management contracts.
• Nuclear Energy Services (Dalkia EN - Expertise Nucléaire) Specialized nuclear facility services delivered by Dalkia EN, the dedicated nuclear subsidiary, including ventilation, refrigeration, generator maintenance, water treatment, electrical maintenance, and industrial logistics at nuclear power stations. Underpins Dalkia's £200m+ EDF Nuclear Operations facilities management contract across eight UK sites.
• Aquatic Center Energy and Air Quality Solutions (Piscines) Specialized solutions for public swimming pools covering water and air renewal management, trichloramine control, and energy production adjustment based on attendance, supported by NemoPool real-time monitoring and Dynapool predictive simulation. Dalkia operates 500+ swimming pools with guaranteed performance.
• Professional Training Services (Campus Dalkia) Professional training organization offering approximately 130 training programs for energy services professionals through apprenticeship and continuing education across five campuses in France (Lomme, Manosque, Grenoble, Jonzac, Montauban). Holds Qualiopi certification from Cofrac for quality of professional training.

Quantifiable outcome

• 4.2 Mt CO₂ avoided for clients in 2022, equivalent to removing over 2 million cars from circulation
• +7 more outcomes

Named customers6 records

Segments6 records

Ideal customer profiles6 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Five partnerships are on record, tiered core.

• Edison Next (Poland)coreStrategic or Co-development Partner · 2 January 2026Dalkia Polska completed the acquisition of 100% of shares in Edison Next Poland and Edison Next Services Poland, representing approximately €100 million in annual turnover. This intra-group transaction consolidates the EDF Group's energy services in Poland under the Dalkia brand, strengthening Dalkia's position as EDF Group's second-largest strategic market outside France.
• Green Hydrogen Energy Company (GHECO)coreStrategic or Co-development PartnerGHECO is a joint venture between Schroders Greencoat (investment manager) and Carlton Power (energy infrastructure developer). GHECO is delivering the Barrow Green Hydrogen project in Barrow-in-Furness, UK, with Dalkia UK providing design and installation services for the 30MW green hydrogen production facility.
• EiffagecoreStrategic or Co-development PartnerEiffage, in consortium with Dalkia and RATP Solutions Ville, was selected by the Paris City Council to renew the concession for Paris's urban heating network, serving nearly one million residents over a 25-year term. The consortium brings together construction, energy services, and public transport expertise.
• RATP Solutions VillecoreStrategic or Co-development PartnerRATP Solutions Ville partnered with Dalkia and Eiffage in the consortium selected to manage the Paris district heating network concession. RATP contributes urban infrastructure management expertise to the partnership.
• EDF Nuclear OperationscoreImplementation/ SI/ Consulting PartnerEDF Nuclear Operations awarded Dalkia UK a facilities management contract for eight nuclear power stations across the UK, covering maintenance, grounds upkeep, industrial services, catering, waste management, and office support. The contract is expected to contribute over £200 million to Dalkia's order book.

Scale indicators13 records

Recent moves8 records

Expansion highlights7 records

Broad incumbents

• SPIE SA: French multi-technical services group providing electrical, HVAC, and energy efficiency services to public and industrial clients. SPIE overlaps with Dalkia in technical maintenance and energy services, though it is broader in scope and less concentrated in large municipal concessions.
• RWE Generation: RWE operates district heating networks and biomass/CHP plants across Germany and the Netherlands. While RWE is broader in generation assets, its district heating and biomass operations are directly comparable to Dalkia's European renewable heat business.
• E.ON Energy Solutions: E.ON's energy solutions division delivers district heating, energy efficiency, and decarbonization services across Germany, the UK, and Central/Eastern Europe. Comparable to Dalkia in scope and customer base, though rooted in a different home market.

Direct peers

• Coriance: French specialist in district heating and cooling networks, biomass, and geothermal concessions. Coriance operates municipal heating concessions across France, making it a direct competitor in Dalkia's core concession business, particularly outside major cities.
• ENGIE: French multinational energy company and Dalkia's most direct competitor in district heating, energy services, and ESCO contracts across France and Europe. ENGIE was the incumbent operator of the Paris heating network that Dalkia displaced in 2025, making it the most direct comparable in scale and business mix.
• Equans (Bouygues): Equans, the multi-technical services and energy efficiency arm of Bouygues, competes with Dalkia in HVAC, facilities management, and energy performance contracts for public, healthcare, and industrial clients across France and Europe. It also competes for district heating and urban energy tenders.
• Bouygues Energies & Services: Bouygues' energy services subsidiary delivers multi-technical FM, energy performance contracts, and district heating solutions across France and the UK. Competitor to Dalkia in the same customer verticals (public, healthcare, industry, tertiary).
• Idex: French energy services company focused on B2B and B2C energy performance contracts, district heating, and renewable energy solutions. Idex is a direct competitor to Dalkia in the French ESCO market and in municipal concessions, though smaller in scale.
• Veolia Environment: Veolia operates a large Energy division (Veolia Energie) competing with Dalkia in district heating and cooling networks, biomass, geothermal, and industrial energy efficiency services across France, Central Europe, and the UK. Overlap is particularly strong in municipal concessions and industrial decarbonization.

Regional players

• MVV Energie: German municipal energy services company operating district heating, biomass CHP, and renewable heat networks primarily in the Rhine-Neckar region. Directly comparable to Dalkia's district heating model, but geographically focused on Germany rather than France.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat7 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/dalkia
• YouTubeyoutube.com/c/dalkia
• Facebookfacebook.com/groupedalkia
• LinkedInlinkedin.com/company/dalkia
• Instagraminstagram.com/dalkiaofficiel

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries6 records

Funding overview

Funding rounds

Investors

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

M&A4 records

Investments

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

Frequently asked questions about Dalkia