The Fuel LCA Model: How Carbon Intensity Is Calculated Under Canada's CFR
The methodology behind CI scoring — the single most impactful lever in CFR credit economics.
By Koorosh Behrang • • 3 min read
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gCO₂e/MJ
CI measurement unit
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6
lifecycle emission components
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3
step modelling process
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How the Fuel LCA Model Works |
The Fuel LCA Model calculates carbon intensity (CI) by quantifying the greenhouse gas (GHG) emissions released over the full lifecycle of a fuel, material input, or energy source, expressed in grams of CO₂e per megajoule (gCO₂e/MJ). This process involves assessing emissions across several interlinked stages, from feedstock acquisition to the final combustion of the fuel.
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CI
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Carbon Intensity (gCO₂e/MJ) The full lifecycle GHG emissions per unit of energy. This is the single most impactful metric in CFR credit economics — every gram of CI reduction translates directly into credit value. |
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Life Cycle Scopes |
The model allows for the calculation of two distinct types of CI values, depending on the boundary of analysis.
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The CI Calculation Formula |
For many pathways, the CI value is determined by summing the specific emissions associated with different lifecycle components:
CI = CIf + CIp + CIcl + CIe + CItd + CIc
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4
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The Three-Step Modelling Process |
The Fuel LCA Model utilises a structured approach to calculate CI values using the OpenLCA software.
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CI Value Timeline: Default to Permanent |
ECCC provides a structured pathway for applicants to progress from a default CI value to a facility-specific permanent CI, reflecting increasing data availability over time.
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Default CI First 12 months ECCC allows use of a pre-calculated default CI value while applicants collect initial operating data. No facility-specific modelling required yet. |
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Temporary CI With 3+ months of data Once at least 3 months of facility-specific operating data is available, applicants can apply for a temporary CI value. Valid for up to 24 months while full data is compiled. |
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Permanent CI With 24 months of data After collecting a full 24 months of operating data, the applicant submits for a permanent CI value — the definitive score used for ongoing credit creation. |
This staged approach enables producers to begin generating credits immediately using default CI values while building toward a facility-specific permanent CI that reflects their actual operational performance. A lower permanent CI translates directly into greater credit value per unit of fuel supplied.
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Data Sources and Parameters |
The model relies on a mix of data sources to ensure accuracy across different pathway types.
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Applicant Data Primary data describing the specific facility's operation — feedstock quantities, energy inputs, production volumes collected over 24 months. |
Predefined Data Standard factors provided by Environment and Climate Change Canada (ECCC) for common inputs like fossil fuel combustion emission factors. |
Transferred CI Values Approved CI values for inputs produced by a third party — such as RNG used to make hydrogen at a different facility. |
Need Help With CI Modelling?
Climate Decode supports fuel producers in navigating the Fuel LCA Model, optimising CI scores, and structuring credit creation applications for maximum value under the CFR.
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