Condat Paper Mill, Lecta group

Heat customer introduction 




  • 1st coated paper production site in France (450,000 tonnes/year)
  • Operating 24/7 all year round
  • Providing 550 direct jobs



Principle of solar thermal integration 


  • Preheating of the steam boiler make-up water
  • Fossil fuel saved: Gas


Key innovation 


  • Use of solar tracking system to optimize the production and avoid overheating during customer consumption outages
  • Solar field installed on an old paper sludge storage area


Video of the project (in French) 


They talk about it 

France 3 Dordogne (french TV)

Sud ouest (French newspaper)

Tecsol Blog


Project funded by



Project key figures

January 2019

commissioning date

4,211 m²

solar thermal collector area on trackers

3,900 MWH

expected annual production

1,078 tonnes

of CO2 emission avoided per year

Industry, Project