The Technical Library

Consultancy-grade methodologies, freely available. Download our Technical Methodology Notes and start calculating with confidence.

Each document in our library represents years of practical experience distilled into clear, actionable guidance. These are the same methodologies we use when working with NHS trusts, government departments, and blue-chip corporations.

Scope 3 Spend-Based Factors

Scope 3 Factors: Adjusting for Inflation

Master the art of spend-based emissions calculations with inflation-adjusted conversion factors. This methodology ensures your Scope 3 data remains accurate as prices fluctuate year-over-year.

  • Step-by-step inflation adjustment methodology
  • Worked examples across multiple sectors
  • Guidance on data quality and materiality thresholds
  • Compatible with GHG Protocol and ISO 14064 standards
Scope 4 Avoided Emissions Cover

Scope 4: Calculating Avoided Emissions

Learn how to quantify and report the positive climate impact of your products and services. This guide covers the principles of avoided emissions and how to calculate them credibly.

  • Framework for baseline scenario development
  • Avoided emissions calculation models
  • Case studies from renewable energy and circular economy sectors
  • Reporting guidelines aligned with emerging standards
CHP Custom Factors

CHP: Calculating Custom GHG Emissions Factors

Combined Heat and Power systems require bespoke emissions factors. This technical guide walks you through the calculation process, allocation methods, and quality assurance checks.

  • Energy allocation methodologies (exergy vs. energy basis)
  • Custom factor calculation templates
  • District heating emission factor derivation
  • Verification and audit trail requirements
F-Gases Methodology Cover

F-Gases: Methodology for Refrigerants and Coolants

Fluorinated gases have extremely high global warming potential. This guide ensures you correctly identify, quantify, and report F-Gas emissions from refrigeration, air conditioning, and fire suppression systems.

  • Comprehensive GWP reference tables for common refrigerants
  • Top-up, disposal, and leakage calculation methods
  • Handling mixed refrigerant blends and proprietary formulations
  • Compliance with UK F-Gas regulations and reporting requirements

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