
Night saver electricity is a tariff offered by electricity suppliers that allows customers to take advantage of cheaper electricity rates at night. The exact times that these cheaper rates apply vary depending on the season, with winter night rates generally starting at 11 pm and ending at 8 am, and summer night rates often starting at midnight and ending at 9 am. These tariffs are designed to encourage consumers to use more electricity at night when there is typically a surplus of energy supply. By installing a night saver meter, consumers can save money on their electricity bills, particularly if they use a significant amount of electricity at night or have appliances such as electric storage heaters, electric vehicle chargers, or heat pumps.
| Characteristics | Values |
|---|---|
| NightSaver Meter | A meter that records day and night-time electricity consumption separately |
| Electricity consumed at night | Cheaper than the day rate |
| Winter timings | 11 pm-8 am (late October to late March) |
| Summer timings | 12 am-9 am (late March to late October) |
| Average electricity consumption in Ireland | 14 units of electricity per day |
| Electric Ireland's NightSaver unit rates | 18.52 cent (inc. VAT) during the day and 9.15 cent (inc. VAT) at night |
| Standing charge | €60 higher than a single-unit meter |
| Average cost of heating a 120-litre tank of water | €1.30 a day |
| Potential savings with NightSaver Meter | €250 a year |
| Potential savings by switching energy suppliers | Over €400 a year |
| Smart tariff | Lower rates for electricity at night and off-peak times |
| Peak rates for smart tariff | Between 5 pm and 7 pm |
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What You'll Learn
- NightSaver meters record day and night consumption separately
- NightSaver tariffs are cheaper at night but more expensive during the day
- NightSaver meters are designed to save money and encourage off-peak usage
- NightSaver meters are free to install and can be requested from electricity suppliers
- NightSaver tariffs are best for homes with high night-time electricity usage

NightSaver meters record day and night consumption separately
A NightSaver Meter is a meter that records electricity consumption during the day and night separately. The main difference between a standard meter and a NightSaver Meter is that the latter has two rows of digits, clearly marked with 'I' and 'II' or 'day' and 'night' to distinguish between the two. The NightSaver Meter is designed to save you money by encouraging you to use more electricity at night when there is surplus capacity and, therefore, cheaper rates.
The hours for the NightSaver Meter are clearly defined: between 11 pm and 8 am in the winter (late October/end of October to late March/end of March) and between 12 am and 9 am in the summer (late March/April to late October/end of October). During these night-time hours, you will be charged a lower unit rate for electricity, which is almost half the standard rate. However, it is important to note that the lower night rates are offset by a higher day unit cost and a bigger standing charge.
To take advantage of the discounted night-time rates, you can make simple changes such as running your dishwasher after midnight and using your washing machine before 9 am. Using a plug timer or electricity monitor can also help you optimise your electricity usage. For example, if you have an immersion heater, turning it on overnight can significantly reduce your costs. Similarly, if you own an electric vehicle, charging it at night can result in substantial savings.
Overall, installing a NightSaver Meter can lead to considerable cost savings on your electricity bills. However, it is essential to monitor your day-time and night-time consumption to ensure you are maximising the benefits of the discounted night-time rates.
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NightSaver tariffs are cheaper at night but more expensive during the day
In Ireland, a NightSaver Meter is a type of electricity meter that records daytime and nighttime consumption separately. While electricity consumed at night is cheaper, daytime rates are more expensive than standard rates. The NightSaver tariff is designed to save money and encourage users to utilise electricity at night, taking advantage of surplus capacity.
The NightSaver Meter has two rows of digits, clearly marked to differentiate between daytime and nighttime consumption. The nighttime rates are significantly lower than standard rates, almost half the price. However, this is offset by higher daytime unit costs and a larger standing charge. For example, Electric Ireland's NightSaver unit rates are 18.52 cent during the day and only 9.15 cent at night.
The hours for the NightSaver tariff are clearly defined and vary between winter and summer. In the winter months (late October to late March), the nighttime rates apply from 11 pm to 8 am. During the summer (late March to late October), the nighttime rates shift to 12 am-9 am. These adjustments are automatic, ensuring users can take advantage of discounted rates without adjusting their meters.
To benefit from the NightSaver tariff, it is essential to manage electricity usage accordingly. Homes with electric storage heaters, electric car chargers, and heat pumps typically consume more electricity at night, making them suitable for this tariff. For example, an electric vehicle charger can use 13 kWh in just two hours at night. Similarly, a heat pump set to heat water overnight might use about 4 kWh.
While the NightSaver Meter can lead to significant savings, it is worth noting that the standing charge is approximately €60 higher than a single-unit meter. However, this additional cost can be quickly offset by adjusting energy usage patterns. For instance, running the dishwasher after midnight and using the washing machine before 9 am can result in substantial savings over time.
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NightSaver meters are designed to save money and encourage off-peak usage
NightSaver meters are designed to help users save money on their electricity bills and encourage off-peak electricity usage. They do this by offering cheaper electricity rates at night, but at the cost of higher daytime rates.
A NightSaver Meter is similar to a regular meter but records daytime and nighttime electricity consumption separately. The cheaper night-time rates typically run from 11 pm to 8 am in the winter months (late October/end of October to late March/end of March) and midnight to 9 am in the summer months (late March/April to late October/end of October).
By taking advantage of the discounted night-time rates, users can significantly reduce their electricity bills. For example, using a dishwasher, washing machine, or immersion heater at night can result in substantial savings. Additionally, households with electric storage heaters, electric car chargers, or heat pumps tend to benefit the most from NightSaver Meters as they typically use more electricity at night.
To make the most of a NightSaver Meter, users should aim to shift their electricity usage to the off-peak hours. This may involve adjusting daily routines or utilizing gadgets like plug timers and electricity monitors. While the daytime rates are typically higher, the overall savings can offset this, potentially resulting in annual savings of several hundred euros.
It is worth noting that NightSaver Meters may not be suitable for everyone. The savings are dependent on utilizing off-peak hours, and some households may not have the flexibility to adjust their electricity usage patterns. Additionally, other factors, such as the availability of cheaper electricity suppliers or alternative tariff options, should also be considered when aiming to reduce electricity costs.
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NightSaver meters are free to install and can be requested from electricity suppliers
NightSaver meters are designed to save you money on your electricity bills by encouraging you to use more electricity at night when there is a surplus that suppliers want to be used up. They record daytime and nighttime electricity consumption separately, with electricity consumed at night being cheaper. The hours are defined as: Winter (between 11 pm-8 am) and Summer (between 12 am-9 am).
To get a NightSaver meter installed, you can contact your electricity supplier and request one. They are free to install, and your supplier will arrange for someone to come and install it for you. While the meter installation is free, there is an additional fee added to your standing charge, which is typically between €45-€50.
It is important to note that to make the most of a NightSaver meter, you need to shift a significant portion of your electricity usage to nighttime. This is because the lower night rates are offset by higher daytime unit costs and a bigger standing charge. As a result, you will only save money if you use a notable amount of electricity during the discounted hours.
To take full advantage of the discounted night rates, you can make small changes such as running your dishwasher after midnight and using your washing machine before 9 am. Using your immersion heater at night can also lead to significant savings as it is one of the biggest energy consumers in a household.
By comparing gas and electricity deals from various suppliers, you can identify opportunities to save even more on your energy bills. For example, switching energy suppliers could potentially save you over €400 a year.
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NightSaver tariffs are best for homes with high night-time electricity usage
NightSaver tariffs are best suited for households with high electricity usage at night. The NightSaver Meter records daytime and nighttime electricity consumption separately, with the latter being cheaper. The nighttime period is defined as 11 pm to 8 am during the winter months (late October to late March) and 12 am to 9 am in the summer (late March to late October).
The NightSaver tariff can result in significant savings for households with high nighttime electricity usage. For example, an electric vehicle charger can use 13 kWh in just two hours at night, and a heat pump set to heat water overnight might use about 4 kWh. An immersion heater turned on for an hour at night instead of the day would typically use 3 kWh, which could make the NightSaver tariff worthwhile for the average household.
However, it's important to note that the lower night rates are usually offset by higher daytime unit costs and a larger standing charge. Therefore, the NightSaver tariff is most beneficial for homes with high electricity usage at night, such as those with electric storage heaters, electric car chargers, or heat pumps. By utilising these appliances at night, households can take advantage of the discounted rates and potentially save hundreds of euros annually.
To maximise savings, it is recommended to adjust energy usage habits. Simple changes, such as running the dishwasher after midnight and using the washing machine before 9 am, can make a notable difference. Additionally, utilising plug timers and electricity monitors can further optimise energy usage and enhance savings.
Overall, the NightSaver tariff can be highly advantageous for households with significant nighttime electricity consumption. By understanding the specific needs and usage patterns of your home, you can make an informed decision about whether the NightSaver tariff is the best choice for you.
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Frequently asked questions
Night saver electricity rates start at 11 pm and end at 8 am in the winter months.
Night saver electricity rates start at 12 am and end at 9 am in the summer months.
A NightSaver Meter is a meter that records day and night-time electricity consumption separately. NightSaver Meters have two rows of digits, clearly marked to distinguish between day and night consumption.
You can get a NightSaver Meter for free by calling your electricity supplier and requesting one. They will arrange for someone to come to your house and install it.











































