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Halton Hills Hydro is a Local Distribution Company (LDC) regulated by the Ontario Energy Board. View our scorecard to learn more about our performance or view our applications filed with the Ontario Energy Board.

2022 Scorecard

Halton Hills Hydro is pleased to present our 2022 Scorecard. The Scorecard is a tool that measures how well Ontario’s electricity distributors are performing each year and includes a pictorial representation and a Scorecard Management, Discussion and Analysis to explain the detail behind the scorecard numbers. This document highlights our performance in a number of key categories such as Service Quality, Customer Satisfaction, Safety and Reliability, Asset Management and Cost Control. We have met or exceeded our targets in most of these areas. Did you know? Our Customer Care agents responded to 18,726 calls from customers in 2022. We issued 248,278 bills and achieved a billing accuracy rate of 99.88%. Halton Hills Hydro had two (2) outages that were designated Major Events on May 21, 2022 (derecho) and October 22, 2022 (loss of supply). Lightning accounted for 0% of the total outage hours in 2022 due to a lightning arrestor installation program enacted after 2021. Halton Hills Hydro has been fully compliant with the Electrical Distribution Safety Regulation (O. Reg 22/04 for each of the last twelve (12) years. For the last eleven (11) years, Halton Hills Hydro has ranked in the top seven (7) LDCs in the province in efficiency benchmarking. Based on recent customer satisfaction surveys, 90% of Halton Hills Hydro customers were “very or fairly” satisfied. We are proud of our results in 2022 and continue to strive to meet or exceed our targets in all areas of our business.  Halton Hills Hydro 2022 Scorecard, Ontario Energy Board for definitions of the scorecard measures, and Scorecard Frequently Asked Questions

Tariff of Rates and Charges

Each year, Halton Hills Hydro Inc. applies to the Ontario Energy Board (OEB) requesting changes to distribution rates. Halton Hills Hydro Inc. typically applies for a full review of rates every five years. Any rate changes for the years in between are made by applying a formula that is tied to inflation and other factors intended to promote efficiency. The OEB is an independent and impartial public agency who makes decisions that serve the public interest. The goal of the OEB is to promote a financially viable and efficient energy sector that provides consumers with reliable energy services at a reasonable cost.

The approved Tariff of Rates and Charges for Halton Hills Hydro Inc. are shown in pdf format below. To view all the submissions related to each Tariff of Rates and Charges, please follow the appropriate link under the “OEB Proceeding Number” column.

Tariff of Rates and Charges for Halton Hills Hydro Inc.

Notice of Applications

Halton Hills Hydro Inc. does not currently have any applications before the Ontario Energy Board.

Major Event Reports

A major event is beyond the control of the distributor and is unforseeable, unpredictable, unpreventable or unavoidable. Examples are major weather-related events such as ice storms, major floods and tornadoes.

After a major event, Halton Hills Hydro Inc. must file a report with its regulator – the Ontario Energy Board (“OEB”) – within 60 days of the event. The report contains information about the actions taken by the company before, during and after the event occurred.

Listed below are the Major Event Reports that Halton Hills Hydro Inc. has filed with the OEB since the requirement came into effect on May 3, 2016.


  • No Major Events





  • No Major Events


  • No Major Events


  • No Major Events


  • March 24, 2016 (freezing rain) – No report filed as the Major Event took place prior to the May 3, 2016 requirement date.

The Fighting Against Forced Labour and Child Labour in Supply Chains Act imposes an obligation on certain government institutions and private-sector entities to report on the measures taken to prevent and reduce the risk that forced labour or child labour, in their supply chains. The Act provides for an inspection regime applicable to entities and gives the Minister the power to require an entity to provide certain information.