Energy & Environment

Adapting to energy transition challenges

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Navigating the challenges of decarbonisation

The energy transition and collective awareness of climate change has highlighted the need to shift the world’s energy towards a low-carbon energy mix, favoring renewable energies.  

According to the International Energy Agency, fossil fuel shares (coal, oil, natural gas) in global energy production have remained close to 80% for decades and will fall to 73% by 2030.  

The transition to renewable energies (wind, hydrogen, biomass, solar…) is underway. Governments and businesses are investing heavily in renewable energies to reduce carbon emissions and combat climate change. The programs for green hydrogen are currently at the heart of R&D investments and will place a considerable burden on the engineering professions over the next ten years. 

Facing the storage of renewable energies 

According to the International Renewable Energy Agency (IRENA), it is desirable for 90% of the world’s electricity to come from renewable energies by 2050, whereas today we’re below the 30% mark.  

However, renewable energies are intermittent, as their production depends on unpredictable weather conditions. Energy storage as part of the energy transition is therefore a major challenge for the next 25 years. 

ALTEN, player in the energy transition 

With more than 3,000 engineers around the world involved in energy transition, ALTEN has been working with key players in the sector on all major projects across the entire energy value chain, positioning itself as an end-to-end service provider – from research and development to industrial methods, supply chain management, digitalisation. ALTEN participates in large-scale strategic projects with important engineering components in the fields of renewable, oil & gas and energy storage. 

Facing the demand of specialized engineers in the Energy’s field and the expected performance, ALTEN has implemented a global strategy, including organisational aspects such as the creation of a Center of Excellence (ACE) based in particular on the ALTEN community of experts.  

ALTEN in the Energy & Environment industry

317 M€

2022 turnover






domains of expertise Energy & Environment: Renewable and energy storage, Oil & Gas, Utilities and Equipment

ALTEN’s functional sectors

  • Hydraulic 
  • Wind-power 
  • Solar energy 
  • Bio-masse 
  • Storage 
  • Hydrogen 
Oil & Gas
  • Exploration Production 
  • Petrochemicals 
  • Refinery 
  • Storage 
  • Transport 
  • Distribution 
  • Smart Grid 
  • Retail 
  • Electrical & Electronic Equipment 
  • Heavy components 
  • Turbogenerator, rotated machines 
  • Boilers 
  • Manufacturing Engineering 


Energy suppliers 

EDF, Engie, Total, Shell, ENI, Air Liquide, Vattenfal, Iberdrola, Orano 

Energy equipment manufacturers 

GE, Siemens Energy, Schneider Electric, TechnipFMC, Technip Energies, Framatome… 

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