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Energy transition, the key to renovating university assets in Rennes (French town)

With their 55,000 students and staff, and a property portfolio of 450,000 sqm spread over eight main campuses (in Rennes and across Brittany), the University of Rennes 1 and 2 are setting their sights firmly on the challenge of Energy Transition:  while the ever-increasing pressure of water and energy on university budgets requires the activation of any and all sources of savings, universities have on the whole decided to focus on creating value and establishing a long-term vision.

Schéma directeur énergie eau (SDEE)

For this project, Egis, together with its partners Graines de Changement (Seeds of Change, supporting mobilisation), FCL (for the financial aspects) and Earth Avocats (for legal and contractual expertise) was commissioned by the universities to complete a Water and Energy Master Plan (WEMP). Based on a detailed analysis of the university’s assets, a multi-year investment plan and a transition roadmap were established.

The Caisse des Dépôts et Consignations, the City of Rennes, Rennes Métropole, the Brittany region, the ADEME and the French Water Agency are also fully on board, supporting the universities by financing and managing the WEMP.



The missions led by Egis

Analysis of what already exists

  • In situ diagnosis of buildings, water and energy networks
  • Mapping of exploitable renewable and intermittent resources
  • Creation of an organisational chart for managing Water and Energy
  • Benchmarking, and identification of regulatory constraints and financial opportunities.

In pursuit of potential savings

  • Ranking of measures for creating Water and Energy savings and search for
  • the most effective sets of actions across the site.
  • Development of a WEMP steering tool.

Definition of the WEMP

  • Finding financing mechanisms and appropriate legal arrangements
  • Development of the Master Plan and associated operational documents.

The WEMP was implemented from October 2013 until mid-2015. It turned out to be a valuable tool for the campuses’ sustainable development approach, in line with Agenda 21 on Rennes 1 and the sustainable development strategy of Rennes 2.

The implementation of the WEMP on campus allowed teams to experiment and innovate in matters of:

  • water & energy savings, with the involvement of students and researchers.
  • cooperation and joint development to unite all campus users around a common project for a high quality work environment, and a sustainable university.