Romain Chaffanjon, M.Sc., MEng
Energy System Modeller

Romain Chaffanjon is an Energy System Modeller at ESMIA.
- He participates in the development of optimization energy system models for cities, provinces/states and countries using several types of platforms.
- Romain led the development of an open-source energy systems model for the City of Toronto to study transition pathways towards a net zero target. He has experience using the open-source models TEMOA and SILVER.
- He works on new applications of the North American TIMES Energy Model (NATEM) , including the use of ESMIA’s models in life cycle analysis.
Prior to joining ESMIA, Romain gained strong experience in energy management for service and industrial sectors during his work at Veolia, a global leader in waste and water management, and at Imerys, a mineral mining company. He participated and led multiple projects. As an energy managers coordinator, he acquired expertise in industrial energy transition project development and designed a combined heat and power roadmap. As an energy assessment engineer, he enabled plants to perform with 10% higher efficiency. Finally, in his role as a GHG analyst, he measured scope 3 emissions from a multinational company.
Romain holds a Master’s degree in Mechanical Engineering from the French engineering school Ecole des Ponts Paristech. He also has a Master’s degree from Polytechnic Montréal in Energy Engineering and Environmental Science.