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Time-Of-Use Rates

The Ontario Energy Board has established residential time-of-use rates. Electricity prices charged per kilowatt-hour (kwh) change throughout the day. The different pricing periods of “On-Peak”, “Mid-Peak”, and “Off-Peak” were set based on how the cost to produce electricity in Ontario varies by the time of day, day of the week, and the season.

Day of the Week Time Time-of-Use Price
(cents/kWh)
Weekends & holidays
View chart
All day Off-peak 5.3
Summer Weekdays
(May 1st - Oct 31st)
View chart
7:00 a.m. to 11:00 a.m. Mid-peak 8.0
11:00 a.m. to 5:00 p.m. On-peak 9.9
5:00 p.m. to 9:00 p.m. Mid-peak 8.0
9:00 p.m. to 7:00 a.m. Off-peak 5.3

*Time-of-use prices as of May 1, 2010. Prices subject to change every six months.


Time-of-Use Rates Holiday Schedule (Off-Peak days)

2010 Date Day of Week
New Year's Day January 1, 2010Friday
Family Day February 15, 2010Monday
Good Friday April 2, 2010Friday
Victoria Day May 24, 2010Monday
Canada Day July 1, 2010Thursday
Civic Holiday/Simcoe Day August 2, 2010Monday
Labour Day September 6, 2010Monday
Thanksgiving Day October 11, 2010Monday
Christmas Day December 27, 2010Monday
Boxing Day December 28, 2010Tuesday*
New Year's Day (2010) January 3, 2011Monday*

*When a holiday falls on a weekend, the next weekday following (that is not also a holiday) will be billed at the off-peak rate.



For additional information on time-of-use rates go to the Ontario Energy Board by clicking here.