Electricity Import Emission Factors for Ontario Cap and Trade

Default annual greenhouse gas emission factors for electricity imports into Ontario, used for mandatory reporting under the province's cap and trade program. The data covers seven specific regions and provinces, including ISO-NE, PJM, MISO, NYISO, Manitoba, Quebec, and an 'Unspecified' category.

Use Cases

• Calculate greenhouse gas emissions for electricity imports using the provided default emission factors for compliance reporting.
• Analyze emission factor variations across the seven covered regions, including ISO-NE, PJM, and Quebec.
• Support modeling of carbon allowance requirements under Ontario's program based on imported electricity emissions.

Strengths

• Data is mandated for official reporting under Ontario's cap and trade program, ensuring relevance.
• Covers seven distinct electricity importing regions and provinces, providing specific geographic coverage.

Limitations

• Contains an 'Unspecified (other)' category which may reduce precision for some analyses.
• Row count, column structure, and sample data are unavailable, limiting assessment of granularity.

Provenance

Source

Government of Ontario

Collection Method

Developed using a detailed methodology for calculating default emission factors.

Time Range

Annual

Freshness

Last updated March 2026.

Geography

Ontario, with coverage for imports from ISO-NE, PJM, MISO, NYISO, Manitoba, Quebec, and an unspecified category.