2026 to 2028 Usage Fee Update (CT 9990)
Notice Issue Date:
November 12, 2026
| Impacted Invoice, Settlement Statement or Trade Date | Description | Posting Date | Type | Participants Affected |
|---|---|---|---|---|
| 2026 to 2028 Settlement Statements | Effective January 1, 2026 trade date, the IESO’s usage fees are $1.9856/MWh for domestic customers and $1.6373/MWh for export customers. For more information, please see the OEB’s Decision and Order (EB-2026-0142) dated November 3, 2026. Therefore, adjustments for CT 9990, “IESO Administration Charge” will appear on the month-end 2026 RCSS settlement statements in accordance with the 2026 Settlement Schedule and Payments Calendar (SSPC), beginning with the October 2026 invoice issued on November 16, 2026. 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. |
November 16, 2026 | Usage Fee Update | All |