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© 2004-2017 John Ford

 
Become an Educated Energy Consumer    OttawaEnergyAudit     Friday 15 December 2017
Current Time-of-use pricing is: low at 14.477¢/kWh
Contact us now to book your audit.

Published Columns: March 2006
Curbing Your Consumption:
Smart Facts

By John Ford

The installation of so-called smart meters has begun in Ontario. But will you see savings over current pricing? Here are the gross costs per kWh:
Summer WeekdayWinter Weekday
Summer 7am-11am 11.54¢7am-11am 14.76¢
11am-5pm14.76¢11am-5pm11.54¢
5pm-10pm11.54¢5pm-8pm14.76¢
8pm-10pm11.54¢
10pm-7am7.66¢10pm-7am7.66¢
All Weekend7.66¢All Weekend7.66¢
Average9.969¢Average10.065¢
The average price is what you would pay for a load which is on 24/7.

The current price is 9.991¢. Which is to say that the "average" cost is within a percentage point of current costs in both summer and winter. The price structure for the majority not on smart meters has not been announced at the time of writing. Most of your consumption is more likely to be used during specific time periods, which is why there are peak periods. Here is a table to show relative costs for moving between each time bracket and compared to current costs:
Compared to current (9.991¢)Move to HighMove to MediumMove to Low
Low (7.66¢)-23%+93%+51%
Medium (11.54¢)+16%+28%-34%
High (14.76¢)+48%-22%-48%

For a concrete example: A dryer load costs 67¢ today, and will cost 52¢, 78¢, $1.00 under low, medium, and high cost periods. Of course many of our uses are hard to shift. Cooking weekday dinner is now 16% higher in summer and 48% higher in winter. There may now be an economic incentive to convert to gas for heat loads such as stoves, dryers, and hot water for those whose lifestyle forces use during peak periods.

Kill-A-Watt

Did you know that the Ottawa Public Library can help you understand your electricity consumption? Ask to borrow a Kill-A-Watt meter at no charge. It will tell you how much electricity each appliance you plug into it consumes.

Ask the Miser
If you would like to see answers here to your questions about energy consumption, email them to questions@oea.dyndns.org

John Ford is a technology consultant, and owner of a small energy conservation business.