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Hydro Consumption Study

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Electricity Usage Study

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Ontario Hydro Rates

The current regulated electricity rates charged to Ontario hydro customers for the period May 1, 2017 to Oct 31, 2017 are shown below. Also check out this page that shows electricity rates by province and Ontario's historical RPP Rates.

Time-of-Use Pricing

If you have a Smart Meter installed, your utility has the option of charging different rates throughout the day. These rates are divided into three separate bands known as off-peak, mid-peak and on-peak. The different bands and rates are shown below.
From To Summer Rate (May - Oct) Winter Rate (Nov - Apr)
7:00 AM 8:00 AM mid-peak rate
11.3 cents/kWh
on-peak rate
15.7 cents/kWh
8:00 AM 9:00 AM
9:00 AM 10:00 AM
10:00 AM 11:00 AM
11:00 AM 12:00 PM on-peak rate
15.7 cents/kWh
mid-peak rate
11.3 cents/kWh
12:00 PM 1:00 PM
1:00 PM 2:00 PM
2:00 PM 3:00 PM
3:00 PM 4:00 PM
4:00 PM 5:00 PM
5:00 PM 6:00 PM mid-peak rate
11.3 cents/kWh
on-peak rate
15.7 cents/kWh
6:00 PM 7:00 PM
7:00 PM 8:00 PM off-peak rate
7.7 cents/kWh
off-peak rate
7.7 cents/kWh
8:00 PM 9:00 PM
9:00 PM 10:00 PM
10:00 PM 11:00 PM
11:00 PM Midnight
Midnight 1:00 AM
1:00 AM 2:00 AM
2:00 AM 3:00 AM
3:00 AM 4:00 AM
4:00 AM 5:00 AM
5:00 AM 6:00 AM
6:00 AM 7:00 AM
Off peak rates are charged on weekends and holidays. The rates shown to the left apply Monday to Friday.

Normal Meter Pricing

If you do not have a Smart-Meter or if your hydro utility is not utilizing time-of-use billing, you are charged the same rate regardless of when you consume your electricity. The RPP rate has two price tiers. The price you pay depends on how much electricity you use. In the summer, the higher price is used when you consume more than 600kWh of hydro in a given month. In the winter months, the higher electricity price is charged for consumption above 1,000 kWh.
First 600 Kilowatt Hours per month: 10.7 cents/kWh
Above 600 kWh: 12.5 cents/kWh
Comparison of Time-of-Use Rates
Off-peak vs. Mid-peak vs. On-Peak electricity rates in Ontario
According to the Ontario Energy Board, the average household uses 2/3 of their electricity during off-peak hours with the remainder split between mid-peak and off-peak.
This results in a blended rate of 11 cents/kWh
Return to Ontario Hydro Home Page