Sunday, March 4, 2012

Science 1


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.
FromToSummer RateWinter RateComparison of Time-of-Use Rates
7:00 AM8:00 AMmid-peak rate
9.2 cents/kWh		on-peak rate
10.8 cents/kWh
8:00 AM9:00 AM
9:00 AM10:00 AM
10:00 AM11:00 AM
11:00 AM12:00 PMon-peak rate
10.8 cents/kWh		mid-peak rate
9.2 cents/kWh
12:00 PM1:00 PM
1:00 PM2:00 PM
2:00 PM3:00 PM
3:00 PM4:00 PM
4:00 PM5:00 PM
5:00 PM6:00 PMmid-peak rate
9.2 cents/kWh		on-peak rate
10.8 cents/kWh
Note
Off peak rates are charged on weekends and holidays. The rates shown to the left apply Monday to Friday.
6:00 PM7:00 PM
7:00 PM8:00 PMoff-peak rate
6.2 cents/kWh		off-peak rate
6.2 cents/kWh
8:00 PM9:00 PM
9:00 PM10:00 PM
10:00 PM11:00 PMBased on a small sample of 27 households, we calculate that, on average, time-of-use consumption typically breaks down as follows:
11:00 PMMidnight
Midnight1:00 AM
1:00 AM2:00 AMOff-peak: 55.2%
Mid-peak: 17.2%
On-peak: 27.2%
2:00 AM3:00 AM
3:00 AM4:00 AM
4:00 AM5:00 AMThis results in a blended rate of
7.74 cents/kWh.

Help us improve our sample by participating
in our Ontario Electricity Usage study.
5:00 AM6:00 AM
6:00 AM7:00 AM

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 1000 Kilowatt Hours per month:7.1 cents/kWh
Above 1000 kWh:8.3 cents/kWh
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