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Time-of-Use (TOU)

The majority of our customers pay Time-of-Use (TOU) prices.

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 your usage habits, TOU pricing enables you to save money during hours when electricity is more expensive. To learn more about TOU pricing and its three periods, visit Understanding Your Electricity Bill.

These prices are set by the Ontario Energy Board (OEB) twice a year on May 1 and November 1. To learn more about electricity prices, visit the Ontario Energy Board.

Time-of-Use Demand Periods and Prices

Time-of-Use prices change three times a day, when demand is at peak, mid-peak and off-peak.

Illustration of the winter TOU demand and pricing periods

Winter Demand

Winter demand periods are effective November 1 to April 30 each year.

Illustration of the weekend and holiday TOU demand periods and pricing (off-peak)

Weekends & Holidays

Weekends and designated holidays are off-peak electricity prices all day.

Illustration of the TOU demand periods and prices for off-peak 6.5 cents/kWh, mid-peak 9.5 cents/kWh and on-peak 13.2 cents/kWh

Prices per Demand

Prices shown are effective July 1, 2017 to April 30, 2018.

Previous Events

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Time-of-Use Holiday - Thanksgiving Day
12:00 AM - 07:00 AM
Province Wide
Off-peak electricity prices are in effect until Tuesday, October 10 at 7:00 a.m.
Time-of-Use Holiday - Labour Day
12:00 AM - 07:00 AM
Province Wide
Off-peak hours are in effect.
Time-of-Use Holiday - Civic Holiday
12:00 AM - 07:00 AM
Province Wide
Off-peak hours are in effect.
Time-of-Use Holiday - Canada Day
12:00 AM - 07:00 AM
Province Wide
Off-peak prices are in effect.

Upcoming Events

Time-of-Use Holidays - Christmas Day and Boxing Day
12:00 AM - 07:00 AM
Province Wide
Off-peak electricity prices are in effect until 7:00 a.m. on Wednesday, December 27.


Tiered Pricing

Some of our customers without smart meters or in certain areas of the province fall under the Tiered Pricing model.

If you have noticed two different prices on your bill and slight changes between winter and summer seasons it is because you are on a Tiered Pricing Plan. Customers on this pricing model can submit their own meter reading to ensure that they are billed for actual consumption rather than an estimate.

Regulated Price Plan (RPP) Seasonal Thresholds and Prices

RPP electricity prices and seasonal price thresholds change twice a year, on May 1 and November 1.

Illustration of a sun representing summer

Residential - Summer
(May 1 - Oct. 31)

Up to 600 kWh/month: TBD

Over 600 kWh/month: TBD

Illustration of a snowflake representing winter

Residential - Winter 
(Nov. 1 - April 30)

Up to 1,000 kWh/month: 7.7 ¢/kWh

Over 1,000 kWh/month: 9.0 ¢/kWh

Illustration of a commercial building with the electricity symbol and a dollar sign on it


Up to 750 kWh/month: 7.7 ¢/kWh

Over 750 kWh/month: 9.0 ¢/kWh

Retailer Enrolled

You may also choose to buy your electricity from an electricity retailer. Not all retail contracts are the same, most offer a fixed price over a period of time. Before you sign a contract, read it carefully so you are aware of all terms and conditions.


Remember, the contract you sign only covers the electricity cost. Delivery charges, global adjustment charges, regulatory charges, the debt retirement charge (if applicable), and other charges will still apply and customers will see these line items on their bill.

Weighted Average Hourly Spot Price (WAHSP)

A small number of our customers are assessed under the Weighted Average Hourly Spot Price (WAHSP). For customers who do not have an interval meter installed and who have not signed a contract with an energy retailer, or are not eligible for the Regulated Price Plan, they will be supplied under the Standard Supply Service and will be charged a price based on the current market rates weighted over the billing period, using our specific net system load shape (based on adjusted kWh).

Hourly Ontario Energy Price (HOEP)

The Hourly Ontario Energy Price (HOEP) is assessed to customers with an interval meter installed who have not signed a contract with an energy retailer. Their electricity is supplied under the Standard Supply Service and they will be charged a price based on the actual hourly market rate within their billing period (based on adjusted kWh).

Global Adjustment

Global Adjustment is collected on behalf of the Independent Electricity System Operator (IESO) and covers the cost for providing both adequate generating capacity and conservation programs for Ontario.

To learn more about Global Adjustment components and costs, visit the 
IESO’s website.