Cases
Sioen: First Carbon Footprint for Sector-Wide Knowledge Sharing

Context
Conducting a carbon footprint assessment for Sioen as part of a project funded by the Walloon Region (Circular Wallonia) and Centexbel.
Objectives
Measure emissions (carbon footprint) compatible with recognized industry standards. Deliver results and methodology in a simple and comprehensive report to share experience and learnings at sector level.
Intervention
Step 1
Project scoping: Complete mapping of material and energy flows across operations. Define precise organizational and operational boundaries for the assessment. Validate project timeline with key stakeholders and confirm all deliverables. Identify all necessary data points and establish data collection protocols.
Step 2
Data collection: Identify and catalog all necessary emission sources across the value chain. Provide hands-on support to internal teams for data gathering from diverse sources. Structure and organize collected data in preparation for thorough analysis. Ensure data quality and completeness through validation checkpoints.
Step 3
Data processing: Apply scientifically recognized emission factors to each identified item and activity. Perform precision refinement of certain high-impact emission categories for accuracy. Conduct comprehensive validation of results against industry benchmarks. Execute consistency checks across all calculated emissions to ensure reliability.
Step 4
Action plan development: Facilitate collective ideation session to involve cross-functional teams. Generate concrete decarbonization ideas through structured brainstorming. Classify and prioritize ideas based on impact potential and feasibility. Structure prioritized actions into a clear, phased roadmap with milestones.
Step 5
Synthetic report delivery: Provide detailed description of methodology used for transparency and replicability. Present results in a commented format during stakeholder meeting. Deliver comprehensive action plan with clear ownership and timelines. Include general recommendations to deepen and sustain the decarbonization approach.
Results
- Team capacity building on carbon footprint calculation methodology and key emission sources
- First carbon footprint completed, serving as reference for future climate management
- Identification of main reduction levers and structuring of initial climate roadmap integrated into cooperation projects
Key takeways
Completing a first carbon footprint objectifies climate impact and establishes solid foundations for emissions reduction strategy.
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