Estelle Brachlianoff: “Veolia aims to drive a new generation of heating networks across Europe”

At a time when the energy transition is becoming an urgent issue for communities and businesses, Veolia, under the leadership of Estelle Brachlianoff, positions itself as a key player in revolutionizing European heating networks. With solid experience and an ambitious vision, the CEO of Veolia aims to drive a new generation of thermal networks, combining innovation, sustainability, and energy performance. This development is set against a backdrop where the urban heating market is experiencing rapid growth, driven by climate challenges and the pursuit of energy efficiency.

The challenges of the energy transition in urban heating networks in Europe

The urban heating sector plays a fundamental role in reducing cities’ carbon footprint. Currently, nearly 7 million customers in Europe benefit from heating networks primarily powered by diversified energy sources. However, the challenges related to decarbonization, energy security, and control of energy costs are numerous and complex, requiring innovative solutions tailored to local specificities.

Veolia addresses these issues head-on with a clear ambition: to modernize existing infrastructures and develop more efficient, sustainable, and financially accessible thermal networks. The growth of the European urban heating market is indeed impressive: estimated at 60 billion euros in 2023, it is expected to reach around 80 billion euros by 2030. The massive investments accompanying this dynamic are at the heart of Veolia’s strategy, which focuses on optimizing renewable energy sources and recovering waste heat.

• Decarbonization: significant reduction of CO₂ emissions through low-carbon solutions.
• Energy efficiency: increased performance of networks to limit thermal losses.
• Energy security: diversification of sources to ensure stable supply.
• Financial accessibility: cost control to ensure affordable energy for users.

Local authorities are thus encouraged to invest in adapted networks, taking advantage of innovation but also of dedicated aids and subsidies. By combining these levers, Veolia aims to sustainably support the energy transition across the continent.

The growing importance of thermal networks in European energy policy

Urban heating networks, long confined to traditional scenarios, are now undergoing a real transformation driven by strict regulatory frameworks and ambitious objectives at the European level. These networks, which already contribute a significant share of cities’ energy consumption, must evolve to remain efficient and eco-friendly.

Initiatives like the Green Deal for Europe aim to drastically reduce greenhouse gas emissions by 2030, reinforcing the need to develop green thermal networks capable of integrating renewable sources such as biomass, geothermal energy, or waste recovery. These transformations also represent a tremendous economic opportunity. They generate jobs and innovation in the sustainable energy and climate engineering sectors.

Aspect	Situation in 2023	Objective 2030
European urban heating market	60 billion euros	80 billion euros
Number of active networks	approximately 500	significant expected increase
Served clients	7 million	proportional increase with expansion
Average efficiency of networks	88% at Veolia (vs 75% average in Europe)	Continuous improvement

This context is a real boon for heating professionals, such as plumber Paul Leclerc, who see their roles redefined by these innovations, combining traditional know-how with cutting-edge technologies. In the face of these changes, adaptability and skill enhancement are essential to ensure quality, sustainability, and customer satisfaction.

The innovative strategy of Veolia led by Estelle Brachlianoff for sustainable thermal networks

Since her appointment as the head of Veolia, Estelle Brachlianoff, an engineer by training and a committed ecologist, embodies a significant change in the management of heating networks. Her vision is clear: to make Veolia a central lever of the energy transition by focusing on an innovative offer called “Ecothermal Grid.”

This offer is based on a simple yet powerful premise: it is possible to drastically optimize heating networks through an intelligent combination of different technologies. Thus, Veolia integrates into its projects:

• Renewable energy sources, such as biomass or geothermal energy.
• The recovery of waste heat from industrial or urban processes.
• The use of innovative heat pumps ensuring increased efficiency.
• Electric boilers to meet occasional needs, with intelligent control.
• Digital tools and artificial intelligence to monitor real-time consumption and anticipate failures.

The goal is not only to maximize energy efficiency but also to reduce the overall carbon footprint of installations. Through this means, the thermal networks managed by Veolia can generate reliable, cost-effective, and, above all, more environmentally friendly energy. A promising strategic lever to meet the expectations of public and private operators across Europe.

From an economic standpoint, this innovation aims to generate an additional turnover estimated at 350 million euros by 2030. It also addresses the essential needs of communities in targeted areas:

• Financial accessibility: tariff adjustments through better energy flow management.
• Energy reliability: guaranteed supply continuity even during peak times or disruptions.
• Environmental performance: reduction of fossil fuel consumption and improvement of air quality.
• Technical support: assistance in the design, maintenance, and renovation of networks.

The implications for heating and plumbing professionals

For an experienced plumber like Paul Leclerc, the rise of innovative networks from Veolia presents both an opportunity and a challenge. On one hand, new technologies require ongoing training to master complex installations, combining traditional hydraulics with advanced digitalization.

On the other hand, customer expectations are oriented towards impeccable quality and sustainable management, aspects in which artisans are indispensable links. Their expertise ensures the proper technical implementation and preventive maintenance that guarantee the reliability of the networks.

Key skills for plumbers in 2025	Main objectives
Mastery of decentralized thermal systems	Optimize local energy and limit losses
Use of digital tools	Monitor installations and anticipate failures
Communication with clients	Explain ecological and economic benefits
Knowledge of financial aids	Guide towards suitable subsidy programs

Integration into these projects thus allows for the enhancement of the profession and strengthens user trust. For those who wish to better understand the contours of this evolution, several online resources are worth consulting, such as this dossier on the urban heating in Europe powered by Veolia or on sustainable heating networks.

The concrete impact of next-generation heating networks on European territories

Beyond strategic intentions, the current implementation of Veolia’s solutions translates into tangible results on the ground. European cities of all sizes are already benefiting from modernized infrastructures that significantly improve quality of life and reduce the energy bill for households.

Several examples illustrate these advances: projects carried out in Poitiers with Dalkia, initiatives in municipalities in Île-de-France, or networks integrating the recovery of industrial process heat. Each of these solutions adapts to local constraints (climate, urban planning, specific needs) and relies on an accurate mapping of available energy resources.

• Averaged 20% reduction in energy consumption observed following network renovations.
• Significant decrease in CO₂ emissions due to increased use of renewable energies.
• Better resilience to service interruptions during high consumption periods.
• Simplified accessibility through flexible pricing offers via Veolia or local partners.

The adoption of these systems is also supported by strong public enthusiasm for the environment, driving citizen and collective initiatives. Looking ahead, the rise of innovative thermal networks is set to become a key to a responsible energy future.

Evolutionary perspectives and technological integration in heating professions

For professionals like Paul Leclerc, the trend towards increased digitization of networks translates into the use of intelligent tools that facilitate remote management of installations and effective predictive maintenance. These innovations allow for rapid intervention and limit costs related to failures or energy-intensive consumption.

This also implies an expanded role in raising customer awareness about the importance of apparent energy efficiency in everyday heating use and energy renovation. With this approach, the artisan becomes a true trusted advisor, capable of guiding clients toward the most suitable aids and technical solutions, as detailed on Prime Coup de Pouce Chauffage.

Key technologies	Benefits for users	Impacts for artisans
Digital tools and AI	Optimized management, cost reduction	Adaptation and continuous training
Heat pumps coupled with renewable sources	Reduction of fossil fuel consumption	Technical installation expertise
Intelligent electric boilers	Flexible responses to demand peaks	Improved monitoring and maintenance
Recovery of waste heat	Valuation of thermal waste	In-depth knowledge of processes

Estelle Brachlianoff, face of industrial ecology at Veolia

Estelle Brachlianoff’s commitment goes far beyond the day-to-day management of the company. Her background reflects a strong desire to combine economic success with ecological responsibility. This dual requirement is reflected in Veolia’s approach, notably through the launch of projects such as “Ecothermal Grid,” which aims to completely rethink urban heating networks.

Estelle Brachlianoff’s efforts have received media and institutional recognition, as detailed in various sources: Industry of the Year 2025, Usine Nouvelle, and La Fibre du Tri.

A woman of action and networking, she implements a strategy that emphasizes collaboration among stakeholders, international exchange, and continuous innovation. In the face of climate challenges, her leadership illustrates a new generation of industrial leaders committed to building a more responsible future.

• International development of sustainable heating solutions
• Promotion of the circular economy in resource management
• Investments in energy research and innovation
• Enhanced dialogue with communities and citizens

This commitment has also contributed to positioning Veolia as a reference partner for the decarbonization of heating networks in Europe, with several flagship projects to its credit, also visible on Le Journal Tech and Les Echos.