Wiktor Wise
The price of electricity is dependent on the laws of supply and demand. When demand is high, consumers pay more. Peak hours, when electricity usage is at its highest, are generally between 7:00 am and 10:00 pm, with prices highest from 4 pm to 10 pm. This is when most people are awake and using energy. However, there are ways to reduce costs. Time-of-Use plans, for example, offer lower prices during periods when energy costs are lower, such as before 4 pm and after 9 pm on weekdays.
| Characteristics | Values |
|---|---|
| Time of day electricity is most expensive | Between 4 pm and 9 pm on weekdays |
| Time of day electricity is cheapest | During the night, early in the day, weekends, and holidays |
| Peak hours | Between 7 am and 10 pm |
| Off-peak hours | Before 4 pm and after 9 pm on weekdays |
| Super off-peak hours | Between 10 pm and 6 am |
| Seasonal pricing differences | Summer rates are higher than winter rates |
| Tiered rate plans | You are charged a higher rate if you use a high amount of energy |
| Solar rate plans | Specific plans for customers with solar panels |
| Special rates | For customers who charge an electric vehicle during off-peak hours |
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What You'll Learn
Time-of-Use (TOU) plans
TOU plans are designed to encourage people to shift their electricity consumption to times when demand is low, and they can be particularly beneficial for those who have the flexibility to choose when they use the most power. For example, EV owners can benefit from charging their vehicles during off-peak hours. TOU plans can also be advantageous for those with solar panels, especially when paired with home battery storage, as they can shift their grid usage away from peak times and take advantage of the renewable energy produced by their panels during the daytime.
Some utility companies offer multiple TOU rate plans with different hours classified as peak hours, and some plans may include "partial-peak" hours that charge less than peak rates but more than off-peak rates. TOU rates can be complicated and confusing, and they may not be suitable for everyone. It's important to consider your energy usage needs and habits when deciding if a TOU plan is right for you.
If you're interested in a TOU plan, you can use tools like the Rate Plan Comparison Tool or the Appliance Energy Use Cost Estimator to help you determine the optimal plan for your needs and calculate how much you can save by shifting your energy use to off-peak hours.
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Peak and off-peak hours
For example, in some regions, peak hours may start in the afternoon and continue into the evening when people return home from work and use more lights and appliances. On the East Coast of the United States, for instance, peak hours during the summer are often from 2 pm to around 6 pm, while in winter, they shift to the early morning as people turn up the heat.
Additionally, some utility companies may offer different time-of-use rate plans with varying peak and off-peak hours. These plans can include partial-peak or super off-peak hours, which have rates that are lower than peak but higher than off-peak, or vice versa.
By taking advantage of off-peak hours, you can lower your overall electricity costs. This can be done by shifting some of your electricity usage to these off-peak periods. For instance, running your dishwasher or doing laundry during off-peak hours instead of peak hours can help reduce your electricity bill.
Furthermore, installing solar panels or using energy storage solutions, such as batteries, can also help you take advantage of off-peak hours and lower your energy costs. Some utility companies offer special rates or programs for customers with solar panels or electric vehicles, allowing them to further optimize their energy usage and costs.
It is important to note that rates are subject to change, and it is recommended to check with your utility company to understand their specific peak and off-peak hours and rates.
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Seasonal pricing differences
During summer, electricity rates tend to be higher due to increased energy usage for air conditioning. The afternoon and early evening hours are typically peak hours for electricity consumption, resulting in higher prices. The timing of these peak hours can vary based on geographic location and local weather patterns. For example, on the East Coast of the United States, peak hours during the summer are often from 2 pm to around 6 pm, while in other regions, they may extend into the early evening.
In contrast, winter rates may be lower, but consumption patterns differ. During the colder months, electricity consumption exhibits two peaks: one in the morning and another in the evening. This pattern arises from heating requirements, as homeowners and businesses adjust their indoor spaces for comfort.
The transition seasons of spring and autumn generally experience lower electricity demand and, consequently, lower rates. This is because heating and cooling requirements are less intense during these seasons, reducing overall electricity consumption.
Additionally, holidays and weekends can also impact electricity rates. During these periods, businesses are often closed, resulting in lower overall demand and the absence of peak demand times. Power companies typically charge off-peak rates during these periods, contributing to potential cost savings for consumers.
Understanding these seasonal pricing differences can help consumers make informed decisions about their electricity usage and potentially reduce their energy costs by shifting their consumption to off-peak hours.
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Solar rate plans
Summer rates are often higher than winter rates due to the increased use of energy-intensive air conditioning systems during the hot days. On the East Coast of the US, for example, the hottest time of the day is usually after 2 pm, so this is when air conditioning is required. As a result, peak hours in this region are often from 2 pm until around 6 pm. In the winter, peak hours shift to the early morning when people are heating their homes before leaving for work.
The Solar Billing Plan is an example of a solar rate plan. Residential customers who enroll in this plan will be transitioned to the TOU-D-Prime rate and will be charged the full retail rate for all the energy they consume. Energy Export Credits will be applied to the amount of electricity a customer exports to the grid, reflecting the electricity's value during each hour of the day. These Energy Export Credit (EEC) prices will vary hourly and can be found for both Pacific Time and Universal Time.
To encourage early adoption, residential customers who enroll before 2028 are eligible for an additional credit. Those enrolling in the first year of the program will receive an additional $0.04 per kWh for residential customers and $0.09 per kWh for low-income customers.
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Demand charges
To reduce demand charges, customers can try to lower their maximum power requirement during any given hour or 15-minute period. This may involve scheduling activities that require a lot of energy, such as irrigation or running the dishwasher, for night-time or other off-peak periods when demand is lower. Solar panels can also help to reduce demand charges, especially when paired with home battery storage, as they can provide energy during peak hours without pulling electricity from the grid.
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Frequently asked questions
Yes, electricity rates are generally higher during the day, particularly in the afternoon and early evening, when people are at home from work and school. This is known as "peak demand" and is when electricity is most expensive.
Time-of-Use (TOU) plans are based on the time of day and year. You can check your electricity bill or contact your utility company to find out.
If you are on a TOU plan, you can save money by shifting your energy usage to "off-peak" hours, which are typically at night, in the early morning, and on weekends and holidays.
