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MONTHLY MARKET UPDATE: JULY 2010
Date Issued: August 19, 2010

Hot temperatures drove Ontario demand to 25,075 MW on July 8, 2010 – down from the all-time demand peak of 27,005 MW set on August 1, 2006. Overall market consumption for the month reached just 14,560 gigawatt-hours (GWh), the fourth highest July market consumption since the market opened. The average Hourly Ontario Energy Price (HOEP) for the month was $50.83/MWh, while the Global Adjustment came to $7.50/MWh. By contrast, the average HOEP for the year to date is $37.51/MWh with an average Global Adjustment of $25.82/MWh. A prolonged dry spell this year has led to a 20 per cent reduction in hydroelectric output, which in July totalled just 2,118 GWh.

 
Market at a Glance

Year to Date (Jan 1 - July 30)

Total Ontario Demand:

83,279 GWh*

Average Weighted Hourly Price:

3.92
¢/kWh

ONTARIO DEMAND

Total Monthly Demand for July:

13,307 GWh

Highest Hourly Demand:

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

25,075 MW

Lowest Hourly Demand:

(at 5:00 a.m., July 2)

11,400 MW

Average Hourly Demand:

17,886 MW

Average Hourly Available Capacity:

25,836 MW

Average Hourly Imports:

673
MW

Average Hourly Exports:

1,253 MW

WHOLESALE PRICES

Average Hourly Weighted Price for July:

5.43 ¢/kWh

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

(daytime M-F)

6.84 ¢/kWh

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

(evening M-F)

3.85 ¢/kWh

ENERGY SUPPLY BY FUEL TYPE

Supply By Fuel Type for July:

Nuclear:

7.0 TWh

 

48%

Hydro:

2.1 TWh

15%

Coal:

2.0 TWh

14%

Other (gas, oil, wind, etc.):

2.1 TWh

19%

Imports:

0.7 TWh

5%

*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.