Electricity Rates and Charges

Time-of-Use Rates Effective May 1, 2018 to June 30, 2019

The majority of Oakville Hydro’s residential and small business customers are billed based on time-of-use rates.  If you have signed a contract with an electricity retailer you will pay contract rates. For those customers on time-of-use rates, there are three price periods:

New Delivery Rates Effective January 1 to December 31, 2019
Effective January 1, 2019, the monthly bill for a typical residential customer who uses 750 kWh per month decreased by $1.48 per month or 1.3%. 


  • Off-peak, when demand for electricity is lowest.
  • Mid-peak, when demand for electricity is moderate. These periods are during the daytime, but not the busiest times of day.
  • On-peak, when demand is highest. The busiest times of day. Generally when people are cooking, using their computers and running heaters or air conditioners.

The chart below shows the price you pay for electricity at different times of the day.  To view previous rates, click here. To learn more about understanding your current bill, click here.  To view information from the Ontario Energy Board, click here.

Distribution Charges

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 19% 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.

Ontario's Fair Hydro Plan 

Ontario is lowering electricity bills by 25 per cent on average for all residential customers as part of a significant system restructuring that will address long-standing policy challenges and ensure greater fairness.

Learn more. 

Global Adjustment Credit

The Global Adjustment credit applies to other eligible customers has been set by the OEB at $32.90/MWh (or about 3.3¢/kWh).

Frequently Asked Questions

Do you have questions about electricity rates? Find answers to frequently asked questions.

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