
Many utility companies offer time-of-use rate plans, which charge different amounts for electricity based on the time of day and demand. Typically, electricity is more expensive during peak hours, which are usually on weekdays, and cheaper during off-peak hours, which include nights, early mornings, weekends, and holidays. Holidays are generally considered non-peak hours for electricity, with lower rates, but it's important to check with your utility provider as rates can vary.
| Characteristics | Values |
|---|---|
| Peak hours | 4 pm-7 pm on weekdays |
| Off-peak hours | Before 4 pm and after 7 pm on weekdays, all day on weekends and 12 holidays |
| Super off-peak hours | 10 am-3 pm on weekdays (excluding holidays) or 10 pm-6 am every day |
| Holidays | New Year's Eve, New Year's Day, Martin Luther King Jr. Day, Presidents' Day, Cesar Chavez Day, Memorial Day, Independence Day, Juneteenth, Labor Day, Indigenous Peoples' Day/Columbus Day, Veterans Day, Thanksgiving Day, Christmas Eve, and Christmas Day |
| Cost difference | Off-peak rates are 35% lower than peak time rates |
| Cost-saving strategies | Shifting the use of major appliances to off-peak hours, using less energy during peak hours, and using a programmable thermostat |
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What You'll Learn

Time-of-Use (TOU) plans
The key to saving money with TOU plans is to schedule energy-intensive tasks during off-peak hours when energy rates are lowest. This may include running the dishwasher, washing machine, and dryer, as well as using the oven, during off-peak hours. Additionally, customers can take advantage of renewable energy sources, such as wind and solar power, which are more readily available during certain times of the day. For example, solar power is often available while most people are at work, and wind power is more available while people are asleep. By using cleaner energy sources and shifting energy usage to off-peak hours, customers can potentially save energy and lower their electricity bills.
TOU plans are particularly beneficial for customers who can manage their energy habits and have flexibility in when they use the most power. This includes customers who perform most of their energy-draining tasks at night, as well as EV owners who can charge their vehicles overnight. Additionally, customers with large homes or pools may find TOU plans advantageous, as they offer the greatest savings opportunity among time-of-day plans.
It is important to note that TOU plans may not be available in all locations, and customers should consider their energy usage needs and habits before switching to a TOU plan. Additionally, some TOU plans have specific requirements, such as owning or leasing clean energy technologies, and customers should review the plan details before enrolling. Overall, TOU plans offer customers the opportunity to reduce their electricity costs and manage their energy usage more efficiently.
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Off-peak hours
The opposite of off-peak hours are peak or on-peak hours, which are the times of day when electricity rates are highest. Peak hours vary depending on the time of year, region, and the utility company. Generally, peak hours are during the day, especially in the late afternoon and early evening when most people are at home and using more electricity.
The specific times of off-peak hours can vary depending on the region and the utility company. For example, in the Eastern time zone, off-peak hours are typically from 6 AM to 2 PM, while in the Central time zone, they are from 5 AM to 1 PM. In some places, weekends are considered off-peak hours for the full day, while in other areas, the off-peak hours on weekends may differ from those during the week.
For customers on a time-of-use plan, taking advantage of off-peak hours can help save money on electricity bills. During off-peak hours, you can use major appliances, such as dishwashers, washing machines, and dryers, which consume a lot of energy. By timing energy-intensive tasks to off-peak hours, you can reduce your overall electricity costs.
Additionally, some time-of-use plans offer super off-peak hours, which have even lower rates than regular off-peak hours. These super off-peak hours are typically during the night when demand is at its lowest. For example, the Whole Home rate offered by PWC includes a super off-peak rate daily from 9:00 p.m. to 5:00 a.m.
It's important to note that the definition of off-peak hours may exclude certain holidays, so be sure to check with your energy provider for the specific details of your plan.
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On-peak hours
The concept of on-peak hours is integral to understanding time-of-use (TOU) rate plans offered by utility companies. These plans structure electricity rates based on the time of day and day of the week, with higher rates during on-peak hours and lower rates during off-peak hours. For example, the Time-of-Use 4 pm-7 pm Weekdays plan offered by some providers reflects this timing for on-peak hours.
The specific timing of on-peak hours can vary among utility providers, and it's essential for consumers to consult their utility company to determine the exact hours. Additionally, some plans incorporate \"partial-peak\" hours, which have rates lower than peak hours but higher than off-peak hours.
To maximize savings on a time-of-use plan, consumers are advised to minimize their energy usage during on-peak hours. This can be achieved by shifting the use of major appliances, such as dishwashers, washing machines, and ovens, to off-peak hours. Programmable thermostats can also help in pre-cooling or pre-heating a home during off-peak hours, reducing energy consumption during on-peak periods.
While on-peak hours generally apply to weekdays, some providers may designate certain holidays as off-peak days as well. It's important to refer to your utility company's specific plan details to understand which holidays are considered on-peak or off-peak.
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Super off-peak hours
Time-of-Use (TOU) rate plans allow customers to save money on their electricity bills by shifting their energy usage to partial-peak, off-peak, and super off-peak hours. The price of electricity is determined by the time of day and day of the week it is used, with higher rates during on-peak hours when energy demand and generation costs are higher.
By enrolling in a TOU rate plan, customers can take control of their energy usage and costs. They can shift the use of major appliances like washers, dryers, and dishwashers to super off-peak hours, reducing their overall electricity expenses. This also helps to reduce strain on the electric grid during peak hours.
It is important to note that the specific times and rates of super off-peak hours may vary depending on the energy provider and the customer's location.
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Demand charges
There are ways to reduce demand charges. For example, shifting the use of major appliances like washers, dryers, and dishwashers to off-peak hours can help lower costs. Using less energy during higher-cost on-peak hours and taking advantage of super off-peak hours can also reduce charges. Additionally, using a smart reservation system for electric vehicle charging can help streamline the process and reduce wait times.
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Frequently asked questions
Peak hours refer to the times of day when electricity usage is highest, usually between 4 pm and 7 pm on weekdays. Off-peak hours are all the other times, including weekends and holidays.
Yes, holidays are considered non-peak hours for electricity. Some of the holidays include New Year's Day, Memorial Day, Independence Day, Labor Day, Thanksgiving, and Christmas Day.
You can save money by reducing your electricity usage during peak hours. This includes avoiding the use of major appliances such as dishwashers, washing machines, and dryers.
Super off-peak hours offer even lower rates than off-peak hours. They typically occur overnight from 10 pm to 6 am or 8 am, depending on the provider.
Time-of-use rates are electricity plans where the price you pay depends on the time of day and the demand for electricity. During peak hours, when demand is high, rates are more expensive. By contrast, off-peak and super off-peak hours offer lower rates.











































