
Off-peak electricity refers to the times when the National Grid (the UK's energy delivery network) is under less strain. This usually means the times when less energy is being used in your average home, such as during the night, weekends, or holidays. Off-peak electricity tariffs offer cheaper rates to customers who use their power when the grid is under less strain. These are also called time-of-use (or ToU) tariffs, and they require a specific tariff or meter to access them. Off-peak hours can vary between suppliers, locations, and seasons, but they typically occur between 11 pm and 6 am or 7 am. By shifting energy-intensive tasks like laundry or charging electric vehicles to these off-peak hours, consumers can take advantage of lower rates and reduce their energy bills.
| Characteristics | Values |
|---|---|
| Peak electricity hours | During the day, including the morning and evening |
| Off-peak electricity hours | Night time, weekends, and peak holiday periods |
| Cheapest times for electricity | Very late evening to early morning, between 11 pm/midnight and 5 am to 7 am |
| Off-peak electricity tariffs | Economy 7, Economy 10, Octopus Go, Cosy Octopus |
| Off-peak electricity usage | Use of high-energy appliances, charging electric vehicles, powering homes with electrically heated systems |
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What You'll Learn

Off-peak times vary by supplier, location and season
Off-peak hours refer to the times when electricity demand is at its lowest. These are usually overnight when most people are asleep, on weekends, and during peak holiday periods. The precise timings vary between suppliers, and you can confirm this with your energy supplier. Off-peak hours also depend on where you live and the time of year.
The standard hours for off-peak electricity are between 11 pm and 6 am or 7 am. However, these times can vary between providers. For example, British Gas offers cheaper electricity rates for Economy 7 customers between midnight and 8 am. Other suppliers generally stick to the standard hours but can adjust them slightly based on data from their existing customers.
To access off-peak electricity rates, you will need to be on a specific tariff or meter, such as an Economy" tariff like Economy 7 or Economy 10. These tariffs offer a set number of cheaper hours during the off-peak period. For example, Economy 7 provides seven hours of off-peak electricity every day, while Economy 10 offers ten hours.
It's important to note that off-peak electricity rates are typically only available to customers with specific appliances, such as heat pumps, electric cars, storage heaters, or electric boilers. Additionally, some suppliers provide off-peak electricity to all customers, while others target electrically heated homes.
By taking advantage of off-peak electricity rates and shifting your electricity consumption to these periods, you can save money on your energy bills. Many appliances now come with timers or apps that allow you to delay their start until the off-peak period begins.
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Off-peak times are when electricity demand is low
Off-peak times refer to periods of lower electricity demand, typically during the night when most people are asleep, over the weekends, and during peak holiday periods. These times usually fall between 9 pm and 7 am, with some suppliers offering off-peak rates from 11 pm to 6 am or even as early as 10 pm to 7 pm. The specific off-peak hours depend on your energy supplier and the type of tariff you have.
During off-peak hours, electricity prices are lower compared to peak hours. This pricing structure is known as a time-of-use tariff, where you are charged different rates for electricity based on the time of day. By utilising off-peak rates, you can make significant cost savings on your energy bills. Some suppliers provide off-peak rates to all customers, while others offer these rates specifically to households with additional appliances, such as electric vehicles, storage heaters, or electric boilers.
To take advantage of off-peak rates, you may need to adjust your energy consumption habits. Many modern appliances, such as washing machines, tumble dryers, and dishwashers, come with timers or apps that allow you to delay their operation until the off-peak period begins. Additionally, you can use smart power strips to control the power supply to devices like TVs, game consoles, and lamps, ensuring they turn off during peak hours.
For electric vehicle owners, off-peak rates offer an opportunity to charge their cars at a lower cost. Tariffs like Intelligent Octopus Go allow users to set their desired charge level and timeframe, guaranteeing a charge at the off-peak rate. Similarly, tariffs like Cosy Octopus offer multiple off-peak phases during the day, allowing heat pump owners to heat their homes for less.
By understanding how peak and off-peak hours work, you can optimise your energy usage to reduce your energy bills. Off-peak hours vary between suppliers, so it is essential to check with your energy provider to confirm the exact timings of their off-peak rates.
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Off-peak times can help reduce energy bills
Off-peak hours refer to the times when electricity demand is at its lowest. These times are usually overnight, during the weekends, and during peak holiday periods. During these times, the National Grid is under less strain, and electricity is typically cheaper.
The specific off-peak hours can vary between energy suppliers and depend on factors such as their capacity to provide energy, wholesale energy prices, and the current energy price cap. However, off-peak hours typically fall between 11 pm and 6 am or 7 am. Some suppliers may offer a wider off-peak window, such as from 10 pm to 7 pm.
To take advantage of off-peak electricity rates, you will typically need to be on a specific tariff or meter, such as an ""Economy" tariff like Economy 7 or Economy 10. These tariffs offer a set number of cheaper off-peak hours each day, usually ranging from 7 to 10 hours.
By shifting your electricity consumption to off-peak periods, you can reduce your energy bills. This can be achieved by using timers on appliances or investing in smart technology that allows you to control the operation of your devices remotely. For instance, you can set your washing machine, dishwasher, or tumble dryer to run during off-peak hours, even if you're not at home. Additionally, charging electric vehicles during off-peak hours can result in significant cost savings.
Overall, understanding and utilising off-peak hours can be a powerful strategy to reduce energy costs and make your energy usage more sustainable.
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Off-peak times are best for charging electric vehicles
Off-peak electricity refers to the times when the National Grid is under less strain, and electricity demand is at its lowest. This is usually during the night, over the weekend, or during holiday periods. The precise timings vary between suppliers, but off-peak hours typically start around 9 pm or 11 pm and continue until 6 am, 7 am, or 8 am.
Electric vehicle (EV) owners can benefit from off-peak electricity tariffs, which offer cheaper rates during off-peak hours. This is because charging an electric vehicle requires a significant amount of energy, and charging during off-peak hours can help reduce the strain on the National Grid. Additionally, EV owners can take advantage of the lower electricity rates offered during off-peak hours to save money on their energy bills.
To make the most of off-peak electricity rates, EV owners can charge their vehicles overnight, when electricity demand is typically lower. This strategy is especially beneficial if you won't need to use your vehicle in the evening. By shifting your electricity consumption to off-peak hours, you can take advantage of the lower rates offered by your energy supplier during these periods.
Many energy suppliers now offer time-of-use tariffs specifically designed for EV owners, allowing them to charge their vehicles at a lower rate during off-peak hours. These tariffs can provide significant cost savings for EV owners, as they can reduce the overall cost of charging their vehicles. Additionally, some tariffs offer multiple off-peak phases, providing additional flexibility for EV owners to charge their vehicles at a lower rate.
To summarise, off-peak times are best for charging electric vehicles as it helps reduce the strain on the National Grid, and EV owners can take advantage of lower electricity rates to save money on their energy bills. By utilising time-of-use tariffs and charging their vehicles overnight, EV owners can optimise their energy usage and benefit from the reduced rates offered during off-peak hours.
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Off-peak times are ideal for using high-energy appliances
Off-peak hours refer to the times when electricity demand is at its lowest. These times are usually overnight, during the weekends, and during peak holiday periods. During these times, the National Grid is under less strain, and there is less demand from businesses.
Off-peak hours can vary between suppliers, your location, and the time of year. Typically, off-peak hours are between 11 pm and 6 am, although some providers offer off-peak rates from 12 pm to 5 am or 10 pm to 7 pm. It's important to check the exact timings with your energy supplier.
Using electricity during off-peak hours can result in significant cost savings. Energy providers offer reduced rates during off-peak hours, allowing you to power your home at a lower cost. This is especially beneficial for those who use a lot of electricity overnight or during unsocial hours.
High-energy appliances, such as washing machines, tumble dryers, and dishwashers, can consume a significant amount of energy. By using these appliances during off-peak hours, you can take advantage of the lower energy rates and reduce your overall energy costs. Many modern appliances come with timers or apps that allow you to delay their start until the off-peak period begins.
Additionally, if you own an electric vehicle, charging it during off-peak hours can result in substantial savings. Some energy suppliers offer specific tariffs for electric vehicle owners, providing lower rates for charging during off-peak times. By combining the use of high-energy appliances and electric vehicle charging during off-peak hours, you can further maximise your savings and make the most of the reduced energy rates.
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Frequently asked questions
Off-peak times refer to the hours when electricity demand is at its lowest. These times are generally overnight when most people are asleep, and during the weekends. The precise timings vary between suppliers, but off-peak typically starts around 9 pm or 11 pm and continues until 6 am, 7 am, or 8 am.
If you have a standard tariff, you are charged a flat rate for your electricity usage, no matter the time of day. With a time-of-use tariff, you will be charged a different rate during peak and off-peak hours.
Contact your energy provider and discuss the best contract for your needs. You will need a smart meter to take advantage of off-peak rates.
Off-peak tariffs can result in significant cost savings. You can use cheaper off-peak electricity to charge electric vehicles, run high-energy appliances, or use storage heaters.











































