Active applications
Hydro Ottawa Limited's distribution rates and services are regulated by the Ontario Energy Board, an independent provincial government agency. At any time, Hydro Ottawa Limited may have one or more applications before the OEB, and may be participating in other OEB-sponsored proceedings.
2026-2030 Custom Incentive Regulation (CIR) - EB-2024-0115
EB-2024-0115: Hydro Ottawa Limited filed an application with the Ontario Energy Board on April 15, 2025, under section 78 of the Ontario Energy Board Act, 1998, S.O. 1998, c.15 Sched. B, seeking approval to change the rates that Hydro Ottawa charges for electricity distribution and other charges, to be effective January 1, 2026, and set a rate framework for January 1, 2027 to December 31, 2030.
Proposed residential distribution rate changes summary
Residential customers are charged a monthly fixed distribution charge, which covers Hydro Ottawa’s costs to safely and reliably deliver electricity to homes in Ottawa and Casselman.
Hydro Ottawa’s current monthly fixed distribution charge for residential customers is $34.51 per month. Hydro Ottawa is proposing to increase the monthly charge to $40.59 per month in 2026, representing an increase of $6.08 per month.
Notice of hearing
Application summary documents:
Application and evidence:
Exhibit 1 - Application Overview and Administration Documents
Updated June 4, 2025 (PDF, 54.8MB)
Exhibit 2 - Rate Base and Capital
Updated June 25, 2025 (PDF, 84.5 MB)
Exhibit 3 - Operating Revenue
Filed April 15, 2025 (PDF, 1.9 MB)
Exhibit 4 - Operating Expenses
Filed April 15, 2025 (PDF, 6.2 MB)
Exhibit 5 - Cost of Capital and Capital Structure
Filed April 15, 2025 (PDF, 11.5 MB)
Exhibit 6 - Revenue Requirement and Revenue Deficiency or Surplus
Updated June 4, 2025 (PDF, 6.0 MB)
Exhibit 7 - Cost Allocation
Filed April 15, 2025 (PDF, 1.6 MB)
Exhibit 8 - Rate Design
Filed April 15, 2025 (PDF, 10.2 MB)
Exhibit 9 - Deferral and Variance Accounts
Updated April 28, 2025 (PDF, 1.6 MB)
More Information
For previous versions of evidence and Excel files submitted as part of EB-2024-0115, refer to Hydro Ottawa’s application on the OEB’s Advanced Regulatory Document Search