2026 Transmission Service Rates
| Impacted Invoice, Settlement Statement or Trade Date | Description | Posting Date | Type | Participants Affected |
|---|---|---|---|---|
| January 31, 2026 preliminary settlement statement td > | Please be advised that the provincial transmission service rates, applicable to all transmission customers in Ontario who own facilities that are directly connected to the transmission system and that withdraw electricity from the system, will be updated effective January 01, 2026, and the new rates will be reflected on the 2026 month-end preliminary settlement statements, beginning with the January 31, 2026 preliminary settlement statement. Additionally, the export transmission service rate, applicable to all export energy transactions, will also be updated effective January 01, 2026, and will be reflected on the January 31, 2026 preliminary settlement statement. The updates are as follows:
If you have any questions regarding this communication, please contact Settlement.Support@ieso.ca. For all other inquiries, please contact IESO Customer Relations at IESOCustomerRelations@ieso.ca. |
February 13, 2026 | Transmission Service Rates | Transmission Connected Customers, Transmitters, Exporters |