Case studies

Grands chantiers in energy

Multi-million-euro energy programmes delivered for industrial leaders across Europe.

Solar + StorageNational logistics operator

80 MW solar & battery microgrid

Turnkey solar farm and battery storage system, integrating with the client's existing grid and reducing its energy bill by 46%.

Rouen, France2025€92M

Selected projects

  • 80 MWp solar capacity
  • 120 MWh battery storage
  • -46% energy costs
  • 24/7 microgrid resilience
Green HydrogenPrimary steel producer

Green hydrogen pilot for steelmaking

Feasibility, engineering and pilot delivery to replace fossil fuels with green hydrogen in primary steel production.

Dunkerque, France2025€140M

Selected projects

  • 20 MW electrolyser
  • 210 kt CO₂ avoided / year
  • European funding secured
  • Scalable to full production
ElectrificationFood & beverage group

Full electrification of a food plant

Replacement of fossil-fuel processes with electric and heat-recovery systems across three production lines.

Lyon, France2024€67M

Selected projects

  • 3 production lines electrified
  • -53% carbon intensity
  • 35% heat recovered
  • Payback under 6 years
Data CentreEuropean data centre operator

Waste-heat recovery & efficiency

Energy efficiency retrofit and waste-heat recovery feeding a district heating network.

Paris region, France2024€38M

Selected projects

  • PUE improved by 22%
  • 18 MW heat recovered
  • 12,000 homes heated
  • ISO 50001 certified
Methodology

How we deliver a grand chantier

1Feasibility & energy audit
2Financial structuring & funding
3Engineering & permitting
4Procurement & construction
5Commissioning & handover
6Operation & optimisation

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