Climate Change Data

Sizewell C Limited

Climate Impact & Sustainability Data (2022)

Reporting Period: 2022

Environmental Metrics

Total Carbon Emissions:19,386 tCO2e (2022)
Scope 1 Emissions:11 tCO2e (2022)
Scope 2 Emissions:18 tCO2e (2022)
Scope 3 Emissions:19,357 tCO2e (2022)
Carbon Intensity:5.5 gCO2 eq/kWh (lifecycle assessment)

ESG Focus Areas

  • Nuclear Safety and Environmental Management
  • Net Zero Excellence
  • Affordable and Investible Project
  • Maximising UK Content and Supporting Levelling Up
  • Delivering Social Value and Legacy Benefit

Environmental Achievements

  • Achieved 19% biodiversity net gain across the Sizewell estate.
  • Secured environmental permits for operation.
  • Created hundreds of acres of new habitats.
  • Developed plans for a Direct Air Capture (DAC) unit with potential to capture 1.5m tonnes of CO2 annually.
  • Developed plans to use hydrogen buses for workforce transport.

Social Achievements

  • Supported over 20 apprenticeships.
  • Established a network of Mental Health First Aiders.
  • Hosted a Wellbeing Day for employees.
  • Launched 'Doing the Power of Good for Suffolk' initiative.
  • Provided £250m funding package for local community projects.

Governance Achievements

  • Established an ESG Working Group.
  • Implemented ESG training for board members.
  • Committed to publishing an Annual Sustainability Report aligned with international standards.
  • Committed to TCFD-aligned disclosures.

Climate Goals & Targets

Long-term Goals:
  • Net Zero emissions by 2050 (implied).
Medium-term Goals:
  • Construction of a DAC demonstrator plant and start of operations.
  • Launch of hydrogen buses pilot.
Short-term Goals:
  • Achieve a Very Good rating in BREEAM Infrastructure assessment.
  • Publish an Annual Sustainability Report in 2024.
  • Fully align with TCFD disclosure requirements by 2025.

Environmental Challenges

  • Water stress in the region.
  • Minimising construction emissions.
  • Managing the impact of material transport on local communities.
Mitigation Strategies
  • Development of a temporary desalination plant.
  • Exploring the use of low-carbon materials and clean fuels.
  • Implementing an integrated transport strategy using rail, road, and sea.

Supply Chain Management

Responsible Procurement
  • 70% UK spend target.
  • UK Steel Charter signatory.
  • MoUs with Wales, North of England, and East of England.

Climate-Related Risks & Opportunities

Physical Risks
  • Sea level rise
  • Extreme weather events
Opportunities
  • Development of clean technologies (DAC, hydrogen).

Reporting Standards

Frameworks Used: TCFD, UN Sustainable Development Goals

Certifications: ISO 14001, PAS2080 (target)

UN Sustainable Development Goals

  • SDG 7 (Affordable and Clean Energy)
  • SDG 8 (Decent Work and Economic Growth)
  • SDG 9 (Industry, Innovation, and Infrastructure)
  • SDG 10 (Reduced Inequalities)
  • SDG 15 (Life on Land)

Sizewell C's contributions to these goals are detailed throughout the report.

Awards & Recognition

  • East of England Energy Efficiency Award (for Leiston insulation project)