The Ontario Energy Board sets the rates that PUC charges for the electricity you use in your home or small business. These rates appear on the Electricity line of your bill. Current and historical electricity rates can be downloaded on the right-hand side of this page.

Types of Electricity Rates:

Time-of-Use (TOU):

TOU Pricing reflects the cost of producing electricity at different times of day based on demand. TOU pricing has three periods: on-peak, when energy demand and cost is high, mid-peak, when energy demand and cost is moderate, and off-peak, when energy demand and cost is low. 

TOU pricing ultimately gives you more control over your electricity bill. By adjusting you usage habits, TOU pricing enables you to save money during hours when electricity is more expensive. 

The OEB typically sets prices twice a year on May 1 and November 1. To learn more about electricity prices, visit the Ontario Energy Board

Tiered Pricing:

Some of our customers without smart meters or in certain rural areas of the province, or who have chosen to switch pricing plans, fall under the Tiered Pricing plan.

With Tiered prices, you can use a certain amount of electricity each month at a lower price.

Once that limit (called a threshold) is exceeded, a higher price applies. The threshold normally changes with the season to reflect changing usage patterns – for example, there are fewer hours of daylight in the winter and some customers use electric heating.

*In the winter period (November 1 – April 30), the Tier threshold for residential customers is 1,000 kWh, so that households can use more power at the lower price. In the summer period (May 1 – October 31), the Tier threshold for residential customers is 600 kWh. The Tier threshold for small business customers is 750 kWh all year round.


There are four ULO price periods:

  • Ultra-Low Overnight, when demand for electricity is lowest on average.
  • Weekend Off-peak, when demand for electricity is generally lower.
  • Mid-peak, when demand for electricity is moderate.
  • On-peak, when demand for electricity is highest on average.

The ULO price periods are the same in the summer as they are in the winter. On weekends and holidays the cheapest rates are in effect all day





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