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Time-of-Use Rates

Time-of-Use Rates ~ Time It Right and Save

Beginning in May 2019, PWC will implement Time-of-Use Rates for residential and small commercial electric customers. These rates will be more in line with how we have to purchase power from Duke Energy - at higher rates during peak hours, when consumers typically use more power.

Right now, you can start to plan and get in practice (TOU tips), so you can take advantage of Time-of-Use Rates to lower your electric bills by conserving and shifting consumption from peak to off-peak hours. Rates for electricity used during off-peak hours will be 30% lower than during peak times.

Summer Peak Hours

April - October from 3:00 PM - 7:00 PM (Mon. - Fri.)

Winter Peak Hours

November - March from 6:00 AM - 10:00 AM (Mon. - Fri.)

**Note that only four hours of the day are considered peak times; 20 hours each day - and all day on weekends and holidays - are off peak

Time-of-Use Rates Overview


PWC 101 w/ David Trego (PWC General Manager)


PWC Residential Time-of-Use Rate Calculator

The average PWC residential customer uses 1,017 kWhs of electricity each month, 21% during peak hours and 79% during off peak hours.  Customers can save money by adjusting their daily weekday routine and shifting more of their electrical use to the off peak hours when off peak Time of Use rates ($.091/kWh) are 30% less than on-peak rates ($.13/kWh)

How it works:

  1. Select your estimated monthly energy usage (kWh)*
  2. Select the estimated percentage of off-peak energy use each month
    *For actual use- view your PWC bill or login

How it adds up:

  • See the number of kWh used on-peak and off peak based on your percentage selected
  • See the average Monthly and Annual Cost of operating during off-peak hours
  • See the average cost per kWh you pay based on your on and off-peak use
  • Adjust the estimated percentage of off-peak use to see the difference off-peak use makes:
    • The higher the off-peak use, the lower month costs (and increased savings!)
    • The higher your off-peak use each month, the lower the average cost of kWh!

Example: 

1000 kWh a month with 80% off peak use (800 kWh) = $98.80
1000 kWh a month with 85% off peak use (850  kWh) = $96.85

Shifting just 50 kWh to off peak use =  $2.65 savings