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Electricity Rates & Options
If you’re a residential or small business customer, you can choose to switch between Tiered, Time-of-Use (TOU) and Ultra-Low Overnight (ULO) prices.
To switch pricing plan, you will need to notify Oakville Hydro either by completing an election form or by contacting us at 905-825-9400 (Monday to Friday, 8:30 AM to 4:30 PM).
You may not wish to change your electricity pricing plan. In that case, no action is required.
Current prices
On May 1, 2025, new electricity prices take effect for customers on the Time-of-Use (TOU), Ultra-Low Overnight (ULO) and Tiered price plans. In addition, winter Time-of-Use (TOU) hours and the change in threshold for residential customers on Tiered pricing will also take effect. See the image below for rates and hours/thresholds.
Click here to view historical electricity rates up to May 1, 2024.
Ontario Electricity Rebate
On November 1, 2019, the Ontario government launched the Ontario Electricity Rebate (OER), which started being applied to bills for eligible residential consumers, farms and small businesses. As of November 1, 2024, the OER will be 13.1% and is a pre-tax credit that appears at the bottom of electricity bills.
If you have a residential or small business (general service less than 50 kW) account with Oakville Hydro, you do not need to do anything. You will automatically receive the OER. Learn more and see if your business qualifies at this link.
To learn more about the OER, visit this link.
Distribution Charges - January 1 to December 31, 2024
At Oakville Hydro, we purchase the electricity we deliver to customers at market prices and earns no margin on the sale of the commodity. Oakville Hydro’s charges account for approximately 21% of the total bill for a typical residential customer.
The other charges on your bill are collected by Oakville Hydro on behalf of other electricity market participants, including generators, transmitters, retailers and regulators.
Visit the OEB website for more information on rate changes and electricity pricing.
Frequently Asked Questions
Do you have questions about electricity rates? Find answers to frequently asked questions.