Transformation Calculations

Transformation calculations operate on a demand-driven basis, where modules are processed sequentially to determine the primary fossil and renewable resources needed to meet domestic and export demands. The order of modules in the system tree is critical to the accuracy of the results, as outputs from one module decrement the requirements for the next while adding their own fuel inputs.

• Transformation calculations are demand-driven, meaning modules operate to satisfy domestic requirements and export demands, minus any minimum specified imports.
• The calculation process iteratively adjusts domestic requirements by subtracting the outputs of a calculated module and adding the input fuels that the module requires, eventually identifying the total primary resource needs for fossil and renewable sources.
• The sequence of modules in the tree affects the calculation results; for example, an electric transmission and distribution module must be positioned above an electric generation module.

APA

Stockholm Environment Institute (n.d.). Transformation Calculations. https://cdn.leap.sei.org/help24/Transformation/Transformation_Calculations.htm

Chicago

Stockholm Environment Institute. Transformation Calculations. n.d. https://cdn.leap.sei.org/help24/Transformation/Transformation_Calculations.htm.

Wikipedia

{{cite report |author=Stockholm Environment Institute |title=Transformation Calculations |url=https://cdn.leap.sei.org/help24/Transformation/Transformation_Calculations.htm |access-date=17 August 2026 |via=Climate Insights Directory}}

BibTeX

@techreport{stockholmenvironmentinstitutendtransformation, author = {{Stockholm Environment Institute}}, title = {{Transformation Calculations}}, institution = {Stockholm Environment Institute}, url = {https://cdn.leap.sei.org/help24/Transformation/Transformation_Calculations.htm}, urldate = {2026-08-17}, note = {Indexed by Climate Insights Directory} }