World Championship
for Energy Savings
Championship
What is WCES?
Why it matters
How it works
Methodology
How you become a World Champion
International Sustainable Buildings Competition
Leagues
Explore Leagues
What is a National League
Launch a National League
Champions
Explore Champions
What is a Champion?
Performance categories
Levels of performance
Submission process
Submit Building
NANTES ERAUDIERE
France – NANTES
Temperate
Existing Building
Organisation : LA POSTE IMMOBILIER
14.9 %
annual energy
savings achieved
Level : Bronze
Energy performance
14.9 %
Energy savings
112.8 kWh/m²/year
Absolute performance
1.8 kgCO₂/m²/year
Carbon intensity
Technical context
Floor area
2,015 m²
Activity type
Logistics
Year built
1948 à 1979 – Post Moderne (Béton, charpentes méta
Building structure status
Landlord
Consumption data
Measurement periods
Reference period
Jan 2022 - Dec 2023
Monitoring period
Jul 2024 - Jun 2025
Annual Energy Impact
Reference
243,455 kWh/year
Energy Savings
36,342 kWh
Avoided Emissions
3.58 tCO₂/year
