Sets out the standards for transmitters and distributors to follow when filing for rate adjustments, leave to construct approvals, and conservation funding.
Sector
Electricity
Category
Applications/Filing
Last revised
June 19, 2025
Filing Requirements for Electricity Transmission Applications
- Cover Letter for Chapter 4 Updates (pdf) (March 16, 2023)
- Chapter 4 - Leave to Construct and Related Matters (pdf) (March 16, 2023)
- Tracked changes version (March 16, 2023)
- Chapter 4 - Leave to Construct and Related Matters (pdf) (March 16, 2023)
- Cover Letter for Chapter 1 and 2 Updates (pdf) (February 11, 2016)
- Chapter 1 - Overview (pdf) (February 11, 2016)
- Chapter 2 - Revenue Requirement Applications (pdf) (February 11, 2016)
Filing Requirements for Electricity Distribution Rate Applications
For 2026 Applications (updated June 19, 2025)
- Chapter 1 – Overview (April 18, 2022)
- Cover Letter for Chapter 2 and 5 Updates (December 9, 2024)
- Cover Letter for Chapter 2 Updates (May 7, 2025)
- Chapter 2 - Cost of Service (Updated May 7, 2025)
- Tracked changes version (Updated May 7, 2025)
- Chapter 5 - Distribution System Plan (December 9, 2024)
- Tracked Changes Version (December 9, 2024)
- Chapter 2 - Cost of Service (Updated May 7, 2025)
- Cover Letter for Chapter 3 Updates (June 19, 2025)
- Chapter 3 – Incentive Rate-Setting Applications (June 19, 2025)
- Tracked changes version (June 19, 2025)
- Chapter 3 – Incentive Rate-Setting Applications (June 19, 2025)
For 2025 Applications and prior
- Cover Letter for Chapters 1, 2 and 5 Updates (April 11, 2024)
- Chapter 1 – Overview (April 18, 2022)
- Tracked changes version (April 18, 2022)
- Chapter 2 – Cost of Service (December 15, 2022)
- Tracked changes version (December 15, 2022)
- Chapter 5 – Distribution System Plan (December 15, 2022)
- Tracked changes version (December 15, 2022)
- Chapter 1 – Overview (April 18, 2022)
Rate Models
- 2026 Cost of Service and IRM Models (February 5, 2025)
- 2025 Cost of Service and IRM Models (April 11, 2023)
Samples for Very Small Utilities (<5,000 customers) Only
- Distribution System Plan Requirement & Very Small Utility Information Requirements (March 28, 2024)
- Distribution System Plan Sample (March 28, 2024)
- Normalized Average Use per Customer Forecast Sample (March 28, 2024)
Archived Documents
- Cover Letter for Chapter 3 Updates (June 18, 2024)
- Chapter 3 – Incentive Rate-Setting Applications (June 18, 2024)
- Tracked changes version (June 18, 2024)
- Chapter 3 – Incentive Rate-Setting Applications (June 18, 2024)
- Cover Letter for Chapter 3 Updates (June 15, 2023)
- Chapter 3 – Incentive Rate-Setting Applications (June 15, 2023)
- Tracked changes version (June 15, 2023)
- Chapter 3 – Incentive Rate-Setting Applications (June 15, 2023)
- Cover Letter for Chapters 2 and 5 Updates (December 15, 2022)
- Cover Letter - Data Models for Cost of Service Filing Requirements for 2023 Rates (February 22, 2022)
- Chapter 2 Appendices Model (February 22, 2022)
- Cover Letter for Chapter 3 Updates (May 24, 2022)
- Chapter 3 – Incentive Rate-Setting Applications (May 24, 2022)
- Tracked changes version (May 24, 2022)
- Chapter 3 – Incentive Rate-Setting Applications (May 24, 2022)
- Cover Letter for Chapters 1, 2 and 5 Updates (Apr 18-22)
- Chapter 2 – Cost of Service (Apr 18-22)
- Tracked changes version (Apr 18-22)
- Chapter 5 – Distribution System Plan (Apr 18-22)
- Tracked changes version (Apr 18-22)
- Chapter 2 – Cost of Service (Apr 18-22)
- Cover Letter - Cost of Service Filing Requirements for Small Utilities (Dec 16-21)
- Chapter 1 – Overview (Dec 16-21)
- tracked changes version (Dec 16-21)
- Chapter 2A – Cost of Service (Dec 16-21)
- tracked changes version (Dec 16-21)
- Chapter 5A – Small Utilities Distribution System Plan (Dec 16-21)
- tracked changes version (Dec 16-21)
- 2023 Cost of Service Checklist for Small Utilities (Dec 16-21)
- Chapter 1 – Overview (Dec 16-21)
- Cover Letter for Chapters 1, 2, 3 and 5 Updates (Jun 24-21)
- Letter re: Filing Requirements Regarding the Disposition of LRAMVA Balances for 2021 Rates and the Treatment of Consumer Information (pdf) (Sep 28-20)
- Cover Letter for Chapters 1, 2, 3 and 5 Updates (May 14-20)
- Chapter 1 - Overview (May 14-20)
- Chapter 2 - Cost of Service Rate Applications Based on a Forward Test Year (May 14-20)
- Chapter 3 - Incentive Regulation (May 14-20)
- Chapter 5 - Consolidated Distribution System Plan Filing Requirements (May 14-20)
- Cover Letter for Addendum to Chapters 1, 2, 3 and 5 (Jul 15-19)
- Addendum to Chapters 1, 2, 3 and 5 - 2020 Rate Applications (Jul 15-19)
- Cover Letter for Chapters 1, 2, 3 and 5 Updates (Jul 12-18)
- Chapter 1 - Overview (Jul 12-18)
- Chapter 2 - Cost of Service Rate Applications Based on a Forward Test Year (Jul 12-18)
- Chapter 3 - Incentive Regulation (Jul 12-18)
- Chapter 5 - Consolidated Distribution System Plan Filing Requirements (Jul 12-18)
- Cover Letter for Chapters 1, 2 and 3 Updates (Jul 20-17)
- Cover Letter for Chapter 5 Updates (Mar 28-13)
- Chapter 1 - Overview (Jul 20-17)
- Chapter 2 - Cost of Service Rate Applications Based on a Forward Test Year (Jul 20-17)
- Chapter 3 - Incentive Regulation (Jul 20-17)
- Chapter 5 - Consolidated Distribution System Plan Filing Requirements (Mar 28-13)
- Cover Letter for Chapters 1, 2 and 3 Updates (pdf) (Jul 14-16)
- Filing Requirements for Electricity Distribution Rate Applications - Chapter 1 - Overview (pdf) (Jul 14-16)
- Filing Requirements for Electricity Distribution Rate Applications - Chapter 2 - Cost of Service Rate Applications Based on a Forward Test Year (pdf) (Jul 14-16)
- Filing Requirements for Electricity Distribution Rate Applications - Chapter 3 - Incentive Regulation (pdf) (Jul 14-16)
- Cover Letter for Chapter 4 Updates (pdf) (Jul 31-14)
- Cover Letter for Chapter 1 and 2 Updates (pdf) (Jul 18-14)
- Cover Letter for Chapter 3 Updates (pdf) (Jul 25-14)
- Filing Requirements for Electricity Distribution Rate Applications - Chapter 1 (pdf) (Jul 18-14)
- Filing Requirements for Electricity Distribution Rate Applications - Chapter 2 (pdf) (Jul 18-14)
- Filing Requirements for Electricity Distribution Rate Applications - Chapter 3 (pdf) (Jul 25-14)
- Cover Letter for Filing Requirements Update (pdf) (Jul 17-13)
- Filing Requirements for Electricity Distribution Rate Applications - Chapters 1, 2, 3, 5 (pdf) (Jul 17-13)
- Chapter 5 – Consolidated Distribution System Plan Filing Requirements (pdf) (Mar 28-13)
- Cover Letter for Filing Requirements Update (pdf) (Jun 28-12)
- Filing Requirements for Electricity Transmission and Distribution Applications (pdf) (revised Jun 28-12)
- Cover Letter for Chapter 4 and Chapter 5 Updates (pdf) (May 17-12)
- Update to Chapter 4 and Chapter 5 (pdf) (May 17-12)
- Cover Letter for Chapter 2 and Chapter 3 Updates (pdf) (Jun 22-11)
- Update to Chapter 2 (pdf) (Jun 22-11)
- Update to Chapter 3 (pdf) (Jun 22-11)
- Filing Requirements for Transmission and Distribution Applications (Nov 14-06)
- Cover Letter (pdf)
- Final document (pdf)
- Minimum Filing Requirements for Transmission and Distribution Rate Applications and Leave to Construct Projects:
NOTE: For further information on preparing rate applications in light of the transition to International Financial Reporting Standards (IFRS), click here.