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MONTHLY MARKET UPDATE: MARCH 2013
Date Issued: May 2, 2013

The highest Ontario demand for the month reached 19,825 MW with a low of 11,963 MW.

Earth Hour this year landed on the evening of Saturday March 23, 2013. Ontarians contributed to a drop of 448 MW during the hour, which is more than the average peak for a city the size of Burlington.

The breakdown of energy produced in Ontario in March 2013 is as follows:

Nuclear: 53%
Hydroelectric: 23%
Gas/oil: 15%
Coal: 3%
Wind: 3%
Imports: 3%
Other: 1%

 


Market at a Glance

Year to Date (Jan. 1 - Mar. 31)

Total Ontario Demand:

36,589
GWh*

Average Weighted Hourly Price:

3.01
¢/kWh

ONTARIO DEMAND

Total Monthly Demand for March:

11,958 GWh

Highest Hourly Demand:

(at 8:00 p.m., March 4)

19,825 MW

Lowest Hourly Demand:

(at 4:00 a.m., March31)

11,963 MW

Average Hourly Demand:

16,073 MW

Average Hourly Available Capacity:

24,533 MW

Average Hourly Imports:

348
MW

Average Hourly Exports:

1,241 MW

WHOLESALE PRICES

Average Hourly Weighted Price for March:

2.93 ¢/kWh

Average Weighted Price between 8:00 a.m. to 8:00 p.m.

(daytime M-F)

3.11 ¢/kWh

Average Weighted Price between 8:00 p.m. to 8:00 a.m.

(evening M-F)

2.76 ¢/kWh

ENERGY SUPPLY BY FUEL TYPE

Supply By Fuel Type for March:

Nuclear:

7.0 TWh

 

532%

Hydro:

3.0 TWh

23%

Gas/Oil:

1.9 TWh

15%

Coal:

0.3 TWh

3%

Wind:

0.5 TWh

3%

Other (biomass):

0.1 TWh

1%

Imports:

0.3 TWh

3%

*A Megawatt (MW) is a unit of electrical power equal to one million watts. (A typical light bulb uses 100 W of power) A Megawatt-hour (MWh) is the measure of one million watts produced or consumed in one hour. For example, one MWh is enough electricity to power 10,000 light bulbs for an hour. A Gigawatt-hour (GWh) is equal to 1,000 MWh. A Terawatt-hour (TWh) is equal to 1,000 GWh.

This Monthly Market Update contains preliminary information only. Final figures are available in the Monthly Market Report published on the Market Summaries page in the "Inside the Market" section of this site. These are published on the 15th of each month.