Default emission factors for electricity imports in Ontario — 2018 (English, XLSX)

Load this English XLSX resource into a live table: Default emission factors for electricity imports in Ontario — 2018.

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Publisher-reported update

2026-06-24

The data provides default emission factors for calculating greenhouse gas emissions each year. It also includes a detailed overview of the methodology used in the development of the emission factors. This data is used for required reporting under Ontario's cap & trade program. Under the program, electricity importers are required to report the emissions associated with electricity imported into Ontario and submit carbon allowances for these emissions. The regions and provinces covered in the data include: * Independent Systems Operator New England (ISO-NE) * Pennsylvania-New Jersey-Maryland Interconnection (PJM) * Midcontinent Independent System Operator (MISO) * New York Independent Systems Operator (NYISO) * Manitoba * Quebec * Unspecified (other) [Learn more about default emission factors](/document/default-emission- factors-ontarios-cap-and-trade-program).

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