
Time-based electric plans, also known as Time-of-Use (TOU) plans, offer variable rates for electricity based on the time of day, day of the week, and season. The price of electricity is typically cheaper during off-peak hours, such as nights, early mornings, weekends, and holidays, while it is more expensive during peak hours when demand is high. These plans aim to incentivize consumers to shift their energy usage to times of lower demand, reducing strain on the energy infrastructure. While TOU plans can lead to cost savings through strategic energy use, they may also result in higher monthly bills if usage is not carefully managed. Customers with flexible energy usage patterns and smart home technology can benefit from optimizing their electricity usage during off-peak hours.
| Characteristics | Values |
|---|---|
| Name | Time-of-Use (TOU) electricity plans |
| Type of rate plan | Variable rate |
| Basis of rate | Time of the day, day of the week, and season |
| Cheapest rate times | Off-peak hours, nights, weekends, and holidays |
| Peak rate times | Weekdays, especially between 4 pm and 9 pm |
| Ideal for | Customers with flexible energy usage patterns, smart home technology, and solar panels with a battery |
| Benefits | Cost transparency, improved grid efficiency, reduced strain on energy infrastructure, and potential cost savings |
| Drawbacks | Potential for higher monthly bills if usage is not carefully managed |
| Availability | Widely adopted by electricity providers, currently available in select areas like California, Dallas, and Houston |
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What You'll Learn

How to save money with a time-based plan
Time-of-Use (TOU) electricity plans offer variable rates based on the time of day and are cheapest when fewer people are using energy. The wholesale market price of electricity varies throughout the day based on factors including supply, demand, and weather. By offering customers prices that differ based on time periods, retail providers give customers the chance to adjust their usage to lower-priced times.
- Understand your plan: Familiarize yourself with the peak, off-peak, and shoulder periods, as well as the corresponding rates. Knowing when electricity is the cheapest and most expensive will allow you to plan your usage accordingly.
- Shift high-energy tasks to off-peak hours: Identify energy-intensive tasks such as laundry, dishwashing, and running appliances, and try to schedule them during off-peak hours whenever possible. Delaying these activities until rates are lower can lead to significant savings over time.
- Use a smart thermostat: Programmable thermostats allow you to schedule temperature adjustments based on your daily routine, helping you to maximize your savings with heating and cooling.
- Maximize natural light: During daylight hours, make the most of natural light to reduce reliance on artificial lighting. This can help save electricity and create a more pleasant living environment.
- Unplug electronics when not in use: Electronics and appliances continue to draw power if left plugged in, even when turned off. Make it a habit to unplug devices or use power strips with built-in switches to cut off power when they are not in use.
- Consider solar power: Installing solar panels can further complement your efforts to save money on TOU plans, especially when paired with home battery storage. Solar power can help you maximize your energy generation during the daytime when electricity rates are typically higher.
- Upgrade to energy-efficient appliances: If you have older appliances, consider upgrading to energy-efficient models. This can help reduce your overall energy consumption and lower your electricity bill.
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The cheapest times to use electricity
Time-of-Use (TOU) plans are a type of electricity pricing strategy that charges different rates depending on when the electricity is used. The price of electricity under a TOU plan varies based on the time of day and is generally lower during off-peak hours, such as late at night or early in the morning, and on weekends. The specific off-peak hours can vary by region and season. For example, in warmer regions like California, off-peak hours might extend into the early afternoon due to solar generation meeting demand. In colder areas, such as Massachusetts, off-peak hours often occur when heating systems are not running.
By understanding TOU pricing and off-peak hours, customers can adjust their energy usage to take advantage of lower rates. Performing energy-intensive tasks, such as running appliances or charging electric vehicles, during off-peak hours can help reduce electricity costs. Additionally, using energy-efficient appliances and implementing energy-saving measures can further lower monthly power bills.
It is important to note that the cheapest times to use electricity can vary depending on the specific TOU plan and electricity provider. Some plans may have different peak and off-peak hours, and the rates may increase if you consume more power than a set limit. Therefore, it is recommended to review the specific TOU plan and check with the utility provider to optimize electricity usage and costs.
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Peak and off-peak hours
Time-of-Use (TOU) electricity plans have variable rates based on the time of day. Under TOU plans, electricity is usually cheaper during the night and the middle of the day, and more expensive between 4 pm and 9 pm on weekdays. TOU rates are designed to encourage people to shift their electricity consumption to times when demand is low.
Peak hours refer to periods of high electricity demand, usually between 4 pm and 9 pm on weekdays. During these times, more people are using electricity, which strains the power grid and increases the cost of electricity production. Peak hours also reflect human behaviour, climate, and grid limits, with hot summer afternoons in warm regions and cold winter days in northern states leading to increased energy usage.
Off-peak hours refer to periods of lower electricity demand, typically early mornings, late nights, and weekends. During these times, electricity is cheaper as there is less strain on the power grid. Off-peak hours can vary by location and the specific off-peak periods of utility providers.
By shifting energy-intensive activities such as laundry, dishwashing, and charging electric vehicles to off-peak hours, customers can take advantage of lower electricity rates and reduce their electricity bills. Additionally, reducing energy usage during peak hours can help ease the strain on the power grid and promote a more sustainable energy future.
It is important to note that TOU plans may not be suitable for everyone, and customers should consider their usage patterns and local utility rates before opting for a TOU plan.
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$170 $190

How to shift energy use to off-peak hours
Time-of-Use (TOU) electricity plans have variable rates based on the time of day and are cheapest when fewer people are using energy. Typically, weekends, holidays, and nights are off-peak hours, and the rates are lower during these hours.
- Plan your chores accordingly: Run your dishwasher, washing machine, and dryer during off-peak hours.
- Charge your electric vehicle (EV) at night: Program your EV charger to switch off when peak rates kick in.
- Use a smart thermostat: Program it to minimize power usage during the day.
- Power down during the day: Avoid using power-hungry devices such as gaming systems during peak hours.
- Unplug devices when not in use: Unplug appliances, TVs, and computers when they are not being used.
- Use "sleep" mode: Utilize the "sleep" mode on your computer and TV to ensure they are not using power during peak hours.
- Adjust your thermostat: Set your thermostat to a higher temperature when you are away from home during peak hours.
- Consider solar panels: Supplement the power you get from the grid with power from solar panels during the day.
By shifting your energy use to off-peak hours, you can reduce your electricity costs and contribute to a more sustainable energy future.
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Flat-rate vs. time-based plans
Time-based electricity plans, also known as Time of Use (TOU) plans, offer variable rates based on the time of day and the amount of energy used. The wholesale market price of electricity varies throughout the day based on supply and demand, and weather conditions. TOU plans pass these price fluctuations on to the customer, resulting in lower rates during off-peak hours and higher rates during peak hours of high demand.
TOU plans incentivize customers to shift their energy usage to off-peak hours, reducing the strain on the power grid during peak times. This shift can be achieved by performing energy-intensive tasks, such as laundry and dishwashing, during off-peak hours or late at night, when rates are typically the lowest. Additionally, charging electric vehicles during off-peak hours can significantly lower electricity costs.
On the other hand, flat-rate plans offer a standard monthly fee, regardless of how much electricity is used. Electric providers purchase electricity in bulk at an average market price and pass that cost to customers. While the bill amount may vary depending on usage, the rate remains consistent throughout the day and year-round. Flat-rate plans provide predictability and consistency for homeowners with stable, consistent electricity usage patterns.
The choice between a time-based and a flat-rate plan depends on individual preferences and usage patterns. TOU plans offer the advantage of potentially lowering electricity costs by adjusting usage habits to off-peak hours. However, they can be complicated and confusing, requiring careful tracking of energy consumption. Flat-rate plans, on the other hand, provide simplicity and predictability, making them suitable for those seeking a consistent monthly bill.
Additionally, it is worth noting that some utility providers offer a combination of tiered and time-based rate plans. Tiered-rate plans have designated ranges of electricity usage with corresponding prices, rewarding customers who can stay within lower-usage tiers. Advanced time-based control options, such as the ability to set false TOU rates or utilize self-powered modes, may also be available in certain regions, such as California.
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Frequently asked questions
Time-based electric plans, also known as Time-of-Use (TOU) plans, are pricing structures where the cost of electricity per kWh changes based on the time of day, day of the week, and sometimes the season.
Time-based electric plans are ideal for customers with flexible energy usage patterns who can shift major consumption to off-peak hours. If you have a steady energy consumption throughout the day, a fixed-rate plan may be more suitable.
With a time-based electric plan, you can save money by shifting your energy-intensive tasks to off-peak hours, which are typically early mornings, late nights, and weekends.
Examples of tasks that you can do during off-peak hours include running your laundry, dishwasher, and charging your electric vehicle.
Peak hours refer to the times of high energy demand, typically weekdays from 4 pm to 9 pm. Off-peak hours are periods of lower energy demand, usually late at night, early mornings, and weekends.











































