Energy & Fuel Combustion

All entries

• Heat Pump vs Gas Boiler Carbon Calculator — Annual & Lifetime CO2e Comparison

  Reviewed Oct 2026

  GHG Protocol Scope 1… GHG Protocol Scope 2…

• Solar & PPA Carbon Payback Calculator (Renewable vs Grid)

  Reviewed Oct 2026

  GHG Protocol Scope 2… RE100 Technical Crite…

• Scope 2 Purchased Steam & Hot Water Calculator

  Reviewed Jun 2026

  GHG Protocol Scope 2… GHG Protocol Corporat…

• Scope 1 Biomass & Biofuel Calculator (Biogenic + Fossil Split)

  Reviewed Sep 2026

  GHG Protocol Corporat… UK DEFRA Emission Fac…

• Scope 1 Marine & Aviation Fuel (Own Operations) Calculator | Fuel-Based CO₂, CH₄ & N₂O (DEFRA 2026, AR5)

  Reviewed Oct 2026

  UK DEFRA Emission Fac… GHG Protocol Corporat…

• Scope 1 + 2 CHP / Cogeneration Calculator | GHG Protocol Efficiency Method

  Reviewed Oct 2026

  GHG Protocol Corporat… UK DEFRA Emission Fac…

• Scope 2 Residual Mix Calculator (AIB / Green-e)

  Reviewed Jul 2026

  GHG Protocol Scope 2… AIB European Residual…

• Scope 2 Renewable Procurement Calculator (REC / PPA / VPPA / Onsite)

  Reviewed Oct 2026

  GHG Protocol Scope 2… RE100 Technical Crite…

• Scope 2 District Heating & Cooling Calculator | Location & Market-Based

  Reviewed Aug 2026

  GHG Protocol Scope 2… US EPA eGRID

• Scope 3 Cat 3 T&D Losses Calculator (40-Country Grid) | GHG Protocol & DEFRA Aligned

  Reviewed Sep 2026

  GHG Protocol Scope 3… UK DEFRA Emission Fac…