Process Optimization - Energy
savings for Sustainable Industry
We contribute to the Energy Transition of Industry and Transport
« We are a team of experienced professionals »
CH4nge develops Turnkey Industrial Projects and provides Services in the fields of Energy and Thermal Processes.
Our team of experts allows us to process in a very safe and effective way any project related to :
Industrial thermal processes
Natural gas compression
Renewable energy production
Whatever your industry, we benchmark proven solutions.
News
Note : Certain CONFIDENTIAL projects are not disclosed on our website.
For the same reasons, the information provided below may be deliberately incomplete or imperfect.
July 2024
Harnessing waster heat
HEVATECH has selected CH4NGE to integrate its H2P hot-air engine, capable of generating energy from waste heat, at the site of a major manufacturer of high-power electrical equipment.
This project represents the first industrial demontrator for the technology.
HEVATECH credit
View of fluid distribution networks
June 2024
The Sud Region renews its trust
CH4NGE will oversee the design and construction of a new 10-bar natural-gas steam boiler plant and its distribution network, serving the training platforms of the Chemistry hall at the Latécoère Vocational School in Istres.
Commissioning is scheduled for November 2024.
This marks the second project awarded to CH4NGE by the Sud Region, following similar work completed in 2019 at Lycée Le Chatelier in Marseille.
May 2024
CH4NGE will build the SMTC CNG station in Clermont-Ferrand
CH4NGE will deliver the CNG station for the upcoming INSPIRE depot operated by SMTC.
Designed to fuel a fleet of 68 standard and articulated buses, the facility will include a dryr and two 950 Nm³/h compressors.
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April 2024
CH4NGE goes international
CH4NGE has secured its first international contract, partering with a major African energy player in fuel and gas distribution.
The company will design and build several CNG stations in Morocco.
These mother/daughter and virtual pipeline installations will enable the direct valorization of Moroccan natural gas, delivering it from wellhead to industrial consumers across the country.
February 2024
Full speed ahead with high-temperature solar thermal
CH4NGE is expanding its involvement in High-Temperature solar thermal solutions.
The company is assessing the integration of ALTO SOLUTIONS (13) parabolic through collectors to generate 1.5 GWh/year of heat at over 400°C, supporting the decarbonization of an industrial dryer in Southern France.
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January 2024
Unlocking the value of methanization CO₂
CH4NGE is contributing to the development of bioCO₂ applications by supporting WAYS (Paris) in the industrial rollout of its CO₂-based wood-drying technology.
WAYS's patented process uses CO₂ from methanization to deliver enhanced wood properties, shorter drying cycles, and lower energy consumption.
December 2023
CH4NGE strengthens its partnership with RTM
CH4NGE is delivering one of the most powerful CNG stations in France for Marseille's public transport operator, RTM
The installation features two 400 kW compressors, almost 10 tonnes of CNG storage, and two fast-fill dispensers serving the fleet of refuse collection vehicles.
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November 2023
Lorient Agglomeration renews its trust in CH4NGE for a new CNG
Lorient Agglomeration has once again entrusted CH4NGE with the construction of its new CNG station at the Demaine depot.
Following the successful completion of the Quéven depot project (see August 2022 news), this renewed collaboration reflects the strong partnership of trust established between the two organizations.
The new station will be integrated into a site already equipped with a hydrogen distribution facility, highlighting the synergy between alternative energy solutions and the region's commitment to the energy transition.
October 2023
SEMITAN (44) renews its trust in CH4NGE
Following the successful CNG station project at the Dalby site, completed with CIRRUS compressors, CH4NGE will deliver a prototype nitrogen drainage and inerting system for buses at the Semitan Saint-Herblain depot.
Summer 2023
CH4NGE is hiring to support its growth !
To sustain its business development, CH4NGE is expanding its teams starting in Spetember 2023 and is currently recruiting for two positions :
- Field Technicien - ideally based north of Paris (departments 77, 60, 27, 61, 28) : you will be responsible for preventive and corrective maintenance on our CNG compression systems.
- Project Engineer (Office-based) - located in Aix-en-Provence : your main mission will be to support the construction teams with technical and project coordination tasks.
If you share our values of innovation, commitment and performance.
Join CH4NGE and take part in the energy transition !
Model of the proposed installation
August 2023
CH4NGE will build the CNG station for KEOLIS Val-de-Bièvre depot in Vélizy-Villacoublay
Building on its recent achievements at KEOLIS sites in Goussainville, Caen la Mer, Antibes and Vallauris. CH4NGE continues to support the group in the energy transition of its depots.
The company has been awarded the design, construction and maintenance of a new CNG station that will supply 60 vehicles bays at the KEOLIS Val-de-Bièvre depot in Vélizy-Villacoublay (Yvelines).
This project will help reduce the carbon footprint of public transport operations and promote sustainable mobility in the Greater Paris area.
Commissioning is scheduled for June 2024.
July 2023
CH4NGE builds an industrial water treatment unit for ISONAT
Committed to preserving drinking water resources, CH4NGE is supporting sustainable industrial practices through the construction of a new industrial water filtration unit for ISONAT, a subsidiary of the Saint-Gobain group.
The system will include sand filters, booster pumps, and a UV sterilizer, enabling the supply of process water drawn from a Loire canal. This will eliminate the need for municipal water and promote a more responsible use of natural resources.
Commissioning is scheluded for October 2023.
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Photo credit : ELHYTE ENERGIES
Juin 2023
CH4NGE partners with ELHYTE ENERGIES on the Retrofit of an Electric Excavator
As part of its commitment to decarbonizing industry and all modes of transport, CH4NGE has teamed up with ELHYTE ENERGIES to develop an innovative solution for retrofitting a 35-ton electric excavator.
The project focuses on designing a replacement system for the onboard battery pack, aimed at improving the machine's performance and operating range.
Here, the battery weight, typically seen as a limitation in mobility, becomes an advantage, effectively replacing traditional counterweights.
This collaboration exemplifies CH4NGE's ambition to drive practical solutions for the energy transition of heavy-duty equipment.
More information is available on the ELHYTE ENERGIES website.
Mai 2023
CH4NGE will build VERBUS's new CNG station in Colomiers (France)
Transports VERDIE has selected CH4NGE to design, build and maintain its new CNG (Compressed Natural Gas) refueling station, dedicated to the VERBUS coach fleet, at the company's new site in Colomiers (Haute-Garonne).
This project reflects the group's commitment to the energy transition, aiming to reduce its carbon footprint and encourage the adoption of alternative fuels.
Commissioning is scheduled for December 2023.
Photo credit Verbus
Illustration of principle
April 2023
CH4NGE designs innovative solutions to harness heat from urban wastewater
Always exploring new paths toward energy efficiency, CH4NGE is turning its attention to an often-overlooked resource : the heat contained in urban wastewater.
In partnership with ECO TECH CERAM (Balma), the company has conducted feasibility study within a community of 87,000 population equivalent.
The goal : to turn wastewater into a local renewable energy source through an energy loop - a tempered water network designed to power reversible heat pumps and other thermal systems.
This innovative concept could supply heating and cooling to a future eco-district, supporting the energy transition and low-carbon ambitions of local communities.
February 2023
CH4NGE to recover waste heat from an industrial furnace for Villeroy & Boch in Valence d'Agen
In partnership withe ECO TECH CERAM (Balma (31), CH4NGE is carrying out a waste heat recovery project on the heat treatment furnace at the Villeroy & Boch site in Valence d'Agen (Tarn-et-Garonne).
The recovered energy from the production flue gases will be used to generate superheated water at 140°C, which will supply the site's new dryers.
This initiative is part of an ambitious energy performance improvement program undertaken by the plan.
Commissioning is scheduled for August 2023.
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Photograph of a FLORES site
January 2023
CH4NGE expands its partnership with GRDF through the FLORES 2 project
Following the successful commissioning and operation of the FLORES demonstrator in Méthamaine (see April 2021 news), CH4NGE has been entrusted by GRDF to build two new temporary methane storage units, designed to enhance the flexibility of the GRDF MPB network connected to biomethane production sites.
The selected locations are Fougères (Ile-et-Vilaine) and Flers (Orne), each offering a storage capacity below 10 tonnes of gas, equivalent to about 140 MWh.
The FLORES solution represents a key innovation supporting the growth of biomethane in France. Both units, designed in accordance with GRDF standards, are set to become fully operational by July 2023 - a demanding schedule that will engage CH4NGE's full operational expertise.
CH4NGE's solution is the only one in France using "trailer" technology for methane storage at 250 bar, combining mobility, safety and flexibility in one system.
November 2022
CH4NGE to recover waste heat from an annealing line in Isbergues
In partnership with ECO TECH CERAM (Balma, France), CH4NGE is carrying out a waste heat recovery project on the continuous annealing line of THYSSENKRUPP UGO in Isbergues (Pas-de-Calais).
In today's challenging energy context, the project will capture heat from the production flue gases of magnetic steel sheets to generate superheated water at 170°C. This energy will be fed back into the plant's existing loop, enabling a reduction of more than 150 Nm³/h in natural gas consumption.
The work is scheduled to take place during the summer 2023 shutdown.
Bobines d'acier magnétique
Crédits ISOVER
September 2022
CH4NGE to renovate a glass wool recycling furnace for ISOVER in Orange
ISOVER, part of the Saint-Gobain group, has entrusted CH4NGE with the revamping of the gas systems (methane, oxygen, nitrogen) on its OXYMELT furnace - the only glass wool recycling furnace of its kind in France.
This project, which comes with high quality requirements and must be completed during the scheduled shutdown in March 2023, marks the first collaboration between CH4NGE and Saint-Gobain ISOVER.
CH4NGE is fully committed to making this project a success and to establishing itself as a reliable and innovative partner in energy optimization initiatives for the Orange site.
August 2022
CH4NGE will buid the CNG station for Lorient Agglomeration (56)
Lorient Agglomeration has entrusted CH4NGE with the design, construction, and maintenance of its future CNG station, featuring two 400 Nm³/h compressors, intended to refuel 23 CTRL buses with Bio-CNG.
Commissioning scheduled : June 2023
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June - July 2022
Two summer months focused on construction
Throughout the summer, our teams have been fully mobilized on our major projects, in preparation for the upcoming commissioning of the CNG stations :
- SMTD Guesnain - end of August
- Annonay Rhône Agglo - end of August
- KEOLIS Antibes - beginning of September
- Caen la Mer - end of September
May 2022
CH4NGE revamps the AVGAS depot at Cannes Airport (06)
Following the Cannes International Film Festival, CH4NGE carried out operations to enhance the reliability of the aviation fuel (AVGAS) unloading and distribution facilities.
The rapid replacement of major components in the ATEX zone, such as the pump and cartridge coalescing filter, was made possible by detailed studies using 3D laser scanning.
April 2022
CH4NGE will build the CNG station in Davézieux (07)
The Community Annonay Rhône Agglo has entrusted CH4NGE with the design, construction, and 9-year maintenance of its future CNG station, featuring three 40 Nm³/h compressors, intended to supply the regional coach fleet.
Commissioning scheduled : August 2022.
March 2022
CH4NGE will carry out to build KEOLIS GNV Station in Goussainville (95)
CH4NGE has signed a new contract for the design and construction of a private CNG station, intended to refuel a fleet of 80 coaches at the KEOLIS site in Goussainville.
The station will feature two compressors with a capacity of 1,000 Nm³/h and supply 69 slow-fill charging points, specifically designed to meet the project's constraints and requirements.
Commissioning scheduled for late 2022.
February 2022
Delivery of a steam explosion prototype by CH4NGE
CH4NGE has delivered a steam explosion pilot plant to the CNRS at the Ecole Nationale Supérieure des Technologies et Industries du Bois (National School of Wood Technology and Industry) in Epinal (88).
This unit, which is unique in Europe, will enable :
- Determine the operating conditions for recovering lignocellulosic waste ;
- Develop recycling channels for MDF panels ;
- Transform co-products from the textile industry (flax, hemp, etc.).
This project strengthens the synergies between CH4NGE and French research laboratories.
Commissioning is scheduled for June 2022.
January 2022
CH4NGE will build the SMTD's NGV station for its Guesnain site (59)
CH4NGE has won the Global Performance Contract for the design, construction and associated maintenance, over a period of five years, of a Natural Gas Vehicle (NGV) refuelling station for the EVEOLE depot in Guesnain.
The Syndicat Mixte des Transports du Douaisis (SMTD) has entrusted CHANGE with the design and construction of a station comprising :
Two compressors, each with a capacity of 200 Nm³/h, a buffer storage facility supplying both a rapid daytime terminal and on-site distribution.
During the works, CH4NGE will set up a mobile NGV station for hire, enabling the first buses delivered to be refuelling daily and taken over by EVEOLE drivers.
Thanks to short completion times, the station is scheduled to come into service in June 2022.
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December 2021
CH4NGE to build future NGV station at Hérouville Saint-Clair bus depot (14)
The Caen la Mer Urban Community has awarded CH4NGE the Global Performance Contract for the desugn, construction and maintenance over nine years of a natural gas vehicle (NGV) refuelling station to supply a fleet of 172 standard and articulated buses.
In its first phase, this scalable station will include two 250-bar natural gas compressors with a unit power of 200 kW.
It will enable the night-time refuelling of an initial batch of 72 vehicles.
This project strengthens the position of CH4NGE, a member of the AFGNV, in the booming market for methane compression stations, promoting sustainable mobility and the energy transition in public transport.
Planned commissioning : October 2022.
November 2021
CH4NGE switches to NGV !
Committed to energy transition, CH4NGE is beginning to convert its vehicle fleet.
The first two diesel vehicles have been replaced by SEAT Leon Sport Tourer 1.5 TGI models, running on NGV/Biongv.
With a range of over 400 km and a 50% reduction in energy costs, our teams are reducing their carbon footprint by 80% by favouring stations that distribute biomethane.
This is a new concrete step towards more sustainable mobility.
October 2021
Commissioning of the Inter-Hospital boiler room at Toulon Hospitals (83)
CH4NGE assisted SOGITEC, a specialist in climate engineering, with the design and process studies for the new SANTALYS boiler room at Toulon Hospitals.
Thos streategic installation provides steam for the entire hospital site and incorporates high-performance, environmentally friendly equipment :
- A 1,700 kg/h low-pressure steam boiler ;
- A storage tank ;
- A duplex water softening unit ;
- A low NOx natural gas burner.
The implementation of this boiler room demonstrates CH4NGE's expertise is designing reliable, sustainable and energy-optimised industrial installations.
Final acceptance is scheduled for November 2021.
September 2021
Refurbishment of the steam boiler room at the Marseille University Institute of Technology (IUT) Chemistry Department (13).
CH4NGE replaced the Babcock Wanson steam generator in the pilot hall of the Marseille University Institute of Technology Chemistry Department - Marseille Saint-Jérôme site.
The work, carried out during the summer period, included :
- The removal and handling of the existing boiler ;
- The installation of the new Babcock Wanson generator
As well as the associated hydraulic and electrical connections.
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July 2021
CH4NGE commissions the RDTA station in Prix-lès-Mézières
In summer 2021, CH4NGE commissioned a biogas compression station to supply the CNG fleet of the Régie Départementale des Transports des Ardennes (RDTA) in Prix-lès-Mézières (08).
Inaugurated in August 2021 in the presence of Mr. Jean Rottner, President of the Grand Est Regional Council, and Ms. Pascale Gaillot, Presidente of the RDTA, this turnkey facility designed and built by CH4NGE enables both rapid refuelling and on-site refuelling of a fleet of 20 NGV coaches.
This project illustrates the RDTA's commitment to ecological transition and reinforces CH4nge's position as a key player in the development of NGV infrastructure serving local areas and sustainable mobility.
Mai 2021
CH4NGE is building the NGV station for CASA's new bus depot in Antibes
CH4NGE has been selected to design, build and maintain (for five years) a natural gas vehicle (NGV) refuelling station for the fleet of 50 buses at the new Sophia Antipolis Urban Community (CASA) depot, operated by KEOLIS, in Antibes (06).
The facility, equipped with two 200 kW compressors, will store gas at 250 bar and refuel vehicles overnight in a four-storey above-ground car park.
This project strenghens CH4NGE's presence in the Alpes-Maritimes region and confirms its expertise in CNG stations and sustainable mobility in an area committed to energy transition. The Antibes depot will also be the first building of its kind to be certified as a 'Mediterranean Sustainable Building'.
Scheduled commissioning : June 2022.
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April 2021
CH4NGE initiates partnership with GRDF as part of the innovative FLORES 2 project
True to its DNA focused on the recovery of methane and biomethane, CH4NGE has won the tender launched by GRDF for the design and construction of the FLORES 2 demonstrator.
This ambitious project aims to develop a temporary pressurised storage solution (300 bar) for biomethane produced by methanisation units, particularly during the summer months when consumption on the 4 bar MBP network - operated by France's leading biomethane distributor - is lower.
Thanks to the technology designed by CH4NGE, it will now be possible to avoid the destruction of surplus biomethane production by flaring, preserving its energy potential and streamlining network management.
March 2021
CH4NGE continues its collaboration with the CNRS on the European solar project POLYPHEM
CH4NGE is strengthening its collaboration with the CNRS PROMES - Odeillo (66) by conducting studies and monitoring the POLYPHEM experimental solar loop project, installed at the THEMIS solar tower site in the Pyrénées-Orientales.
Funded by the European Horizon 2020 program, POLYPHEM brings together four university laboratories (French, Spanish and German) and five European industrial partners. The aim of the project is to design an innovative demonstrator capable of producting 100% renewable electricity on a continuous basis, using a technology that combines an Organic Rankine Cycle (ORC) and temperature gradient thermal storage (TES). This unique facility will harness solar energy concentrated by the THEMIS power plant's heliostats to power a gas turbine generating up to 60 kWel.
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December 2020
CH4NGE supports the development of sustainable mobility in Apt.
CH4NGE is continuiting its commitment to clean energy with the extension of the CNG station of the Communauté de Communes du Pays d'Apt Luberon (CCPAL), located in Apt (84).
Following a public tender, CH4NGE was selected to double the capacity of the station, which is mainly used to supply a fleet of refuse collection vehicles.
The project includes the supply, connection and commissioning of a second compressor and a new NGV1 fast charging station, interconnected to the existing storage facility.
The work, which is already underway, will be completed next spring, marking a new stage in the deployment of NGV infrastructure to serve local areas.
November 2020
CH4NGE to supply steam boiler for KERAT'INNOV plant in La Ciotat (13)
CH4NGE will provide turnkey design and construction of a 1 MW steam boiler for KERAT'INNOV, a leading manufacturer of natural keratin for food and cosmetic use.
This installation will incorporate the latest technologies for optimal energy performance : a high-efficiency boiler equipped with an economiser, a low NOx burner, variable speed drives on the motors, micro-modulating control with an O₂ sensor and continuous water quality monitoring.
The boiler room, designed to operate in 'No Permanent Human Presence' mode, will be delivered in February 2021.
Our commitment to the environment : A latest-generation boiler and complete insulation of all lines and valves to limit energy losses.
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October 2020
CH4NGE to build RDTA CNG station in Prix-les-Mézières (08)
CH4NGE, part of the ENERTION Group, has been selected following a public tender launched by the Régie Départementale des Transports Ardennais (RDTA) for the design and construction of a private NGV station to refuelling its fleet of coaches.
This station will include a fast charging terminal, a distribution network on site, and two CNG compressors connected to a three-pressure-level storage system.
Commissioning is scheduled for summer 2021.
September 2020
CH4NGE moves into the Technopôle de l'Environnement in Aix-en-Provence (13)
CH4NGE is moving into its new offices at the Technopôle de l'Environnement de l'Arbois Méditerranée, Europe's leading technology park dedicated to environmental professions.
This strategic site is home to the Research, Technical and Sales teams, which specialise in Energy transition for industry and transport.
The HQE-certified building is equipped with photovoltaic panels and benefits from its proximity to a CNG station and the Aix-en-Provence TGV station, facilitating both local synergies and the national reach of our engineers.
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June 2020
CH4NGE joins AFGNV
CH4NGE - ENERTION Group has joined the French Association for Natural Gas Vehicles (AFGNV), affirming its commitment to energy transition and the promotion oh NGV and BioNGV.
With extensive experience since 2007 in the design, construction and maintenance of NGV stations, the Group is putting its expertise to work to promote more sustainable mobility throughout France.
February 2020
Commissioning of the Sophia-Antipolis CNG station
CH4NGE won the public contract in 2019 to design and build the CNG refuelling station for buses in the Sophia Antipolis urban community.
The facility comprises two 132 kW compressors, a storage unit and two dispensing terminals. Since early January 2020, it was been refuelling the 20 standard and articulated buses in the network operated by KEOLIS on a daily basis.
Completed in a record time of five months, the work involved design, civil engineering, metal structures, piping and electrical work.
The facilities are maintained by CH4NGE.
Our added value for the environment : Promoting the use of compressed natural gas as a fuel is in CH4NGE's DNA.
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January 2020
Replacement of a 1,200 kW cooling unit at Arles Hospital (13)
The Arles Hospital Center has entrusted CH4NGE with a project management assistance assignment for the replacement of a 1,200 kW water-cooled chiller, as well as the refurbishment of the associated distribution pump room.
Our teams are responsible for drafting the technical specifications, analysing bids and coordinating the work, while ensuring that deadlines are met and service continuity is maintained during the operations scheluded before the summer.
Our environmental commitment : installation of more energy-efficient equipment, thanks to variable fan speeds and floating regulation of the cooling unit.
November 2019
Refurbishment of the steam network at Le Chatelier Vocational College in Marseille (13)
In 2019, CH4NGE - ENERTION Group won the public contract to replace the steam networks supplying the chemistry practical rooms and to create condensate network.
The work carried out by CH4NGE and its local subcontractors involved : the removal and disposal of the existing networks, the design of new steam barrel in the boiler room, the installation of 316L stainless steel 8 bar steam and condensate networks, and the installation of insulation following hydraulic testing.
Our added value for the environment : the collection of line traps to heat the food tank, thereby reducing water consumption and owygen-reducing reagent (sulphites).
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October 2019
Increased capacity for the Hospital Laundry at Arles Hospital (13).
In 2019, CH4NGE - ENERTION Group won the public contract to upgrade the steam, compressed air and hot water networks to increase the capacity of the laundry at Arles Hospital.
The CH4NGE teams have just completed the turnkey work of design and calculations, purchasing, manufacturing of equipment, piping, assembly, insulation and commissioning of pressure reduction stations.
The work was carried out in partnership with local subcontractors working staggered hours to ensure continuity of service for the laundry. The measurements were taken using a FARO laser scanner, which enabled 3D modelling of the lines in their environment.
Our added value for the environment : the installation of an automatic steam isolation valve in the boiler room to limit night-time losses in the 200 meters long network.
June 2019
CH4nge wins the Sails of Energy and the Environment 2019.
CH4nge wins the Sails of Energy and the Environment event of 2019.
Teammates are shown aboard the SALONA 42, chartered by the CAP ENERGIES, JC competitiveness cluster.
MRAKIC won in the OSIRIS 1 category, after two intense days of regattas that saw more than 20 sailboats compete in the second edition of the Sails of Energy and the Environment, in Marseille on June 8th and 9th.
The V2E, a nautical event, brings together every year the actors of the Energy (GrDF,
Engie, Dalkia, ....) through roundtables organized around the preservation of the planet's ressources.
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