Frequently asked questions about Time-of-Use

Choose any link to get answers to your questions about Time-of-Use.

What will I pay on this plan?

Below are the current energy prices per kilowatt-hour (kWh) for Time-of-Use compared to the Basic Plan under the present price plan.

(Prices per kWh)

Basic Plan TOU lower cost TOU higher cost

May–June and September–October
(Prices per kWh)

Basic Plan TOU lower cost TOU higher cost

(Prices per kWh)

Basic Plan TOU lower cost TOU higher cost

For more information, view the TOU Price Plan Sheet Document is a PDF.

The price you pay rises and falls seasonally with the demand for electricity.

I'm already shifting usage to lower cost hours. Why do I need to sign up for Time-of-Use?

Thanks for doing your part to help reduce costs for SRP customers. However, you need to enroll in Time-of-Use to be rewarded with a lower price for using energy during lower cost hours. Use our online price plan sign-up form or call (602) 236-8888 to enroll today and start saving money on energy.

How will I know if I'm saving money?

Check the "Notes" section of your electric bill to see your monthly and year-to-date savings on Time-of-Use. You may also view your bill and savings on My Account by clicking on Bill History or "Choose the right price plan."

What if I'm not saving money on this plan?

Be sure you are shifting energy use to off-peak hours.

  1. Log into My Account to see your daily on- and off-peak energy use.

    • Click on the Right Price Plan Tools to see how much you could save on this plan by shifting energy use to off-peak hours.
  2. Get TOU savings tips.
  3. Check out other price plan options.

If you want to switch to a different plan, call (602) 236-8888.

What if my programmable thermostat has advanced features?

Honeywell RTH7400D 5-1-1 day Programmable ThermostatSome thermostats have advanced features that will achieve your set temperature by the time programmed instead of starting at the time programmed.

  • Check the manufacturer's manual or online information to verify if your thermostat has advanced features.
  • If so, choose settings that limit the time your system runs during higher-cost, on-peak hours.

What are the on- and off-peak hours on weekends and holidays?

Off-peak hours:

  • All weekday hours other than on-peak
  • Weekends
  • New Year's Day (observed)
  • Memorial Day (observed)
  • Independence Day (observed)
  • Labor Day
  • Thanksgiving Day
  • Christmas Day (observed)

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