
NMI stands for National Metering Identifier, a unique 10- or 11-digit number used to identify a specific property's electricity meter in Australia. It is used by power companies to accurately link a customer to their electricity meter and power usage. NMIs are issued by local network service providers to energy retailers, who then allocate the meter a new NMI. NMIs can be found on electricity bills, usually on the first page, and they help ensure that electricity customers are billed for their correct power usage.
| Characteristics | Values |
|---|---|
| Full Form | National Metering Identifier |
| Purpose | To identify a specific property's electricity meter |
| Usage | To get data about how much electricity is used |
| Format | 10 or 11 digits |
| Unique | Yes |
| Location | First page of electricity bill |
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What You'll Learn

NMI is a unique identifier for electricity meters
NMI stands for National Metering Identifier, and it is a unique identifier for electricity meters. It is a 10- or 11-digit number that is used to identify a specific property's electricity meter and connection. NMIs are issued by local network service providers to energy retailers and are used to accurately link a customer to their electricity usage.
Each electricity meter in Australia has its own unique NMI, and if you have multiple electricity meters on your property, each will have its own NMI, which will be shown on the billing from your power supplier. The NMI helps match a property to its energy account, ensuring that electricity customers are billed for their correct power usage.
You can usually find your NMI on the first page of your electricity bill, under ''Your Account Details' or 'Your Electricity Supply Details'. It may also be on the second page of the bill. The NMI is always located with your meter's usage data and will be written as "National Meter Identifier (NMI)", "National Metering Identifier", or simply "NMI".
If you are building a new home with a new power connection, your power retailer will allocate a new NMI to your electricity meter. Similarly, if you move to a new location, you will be given a new NMI for your new electricity connection. Your NMI will only change if the location of your electricity network connection point changes.
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It is used to track energy usage
NMI stands for National Metering Identifier. It is a unique 10- or 11-digit number attributed to each electricity connection in Australia. The number helps match a property to its energy account, ensuring that electricity customers are billed for their correct power usage.
The NMI is associated with an electricity meter and connection point. It is used to identify a specific property's electricity meter and connection point. When you move to a new location, you will be given a new NMI. This is because the NMI helps to ensure that electricity is connected at the right property.
The NMI is often located on the first page of your electricity bill near your customer details. It may also be found on the second page. Your NMI will be located on your meter, but it is not the same as your electricity meter serial number.
The NMI is used to track energy usage by collecting meter usage data. This data is used by power companies to accurately link a customer to their electricity meter and power usage. This ensures that customers are billed for their correct power usage.
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NMI is required for electrical connection work
NMI, or National Metering Identifier, is a unique identifier for electricity connection points in Australia. It is a 10- or 11-digit number that is used to identify a specific property's electricity meter and energy usage. Each electricity meter has its own NMI, which is shown on the billing from the power supplier.
The NMI is required for electrical connection work, as it helps to ensure that electricity is connected to the correct property. When moving to a new location, a new NMI will be required as it is associated with the electricity network connection point.
For those installing a new electricity meter, an NMI is necessary for the electrician to connect the property. The electrician may also need to include the NMI on any paperwork for electrical work.
Additionally, providing the NMI can help speed up the process of switching electricity retailers. It can be found on the electricity bill, usually on the first page with the account or customer details. If a copy of the bill is unavailable, the electricity retailer can assist in finding the NMI.
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It helps ensure accurate billing
NMI stands for National Metering Identifier, a unique number used to identify a specific property's electricity meter. It is like a serial number or ID for your home's electricity meter. Each electricity meter has its own unique NMI, which is usually 10 or 11 digits long.
The NMI is used to collect meter usage data and get information about how much energy you use in your home or business. This ensures that electricity customers are billed for their correct power usage. It helps to accurately link a customer to their electricity meter and power usage.
For instance, if you have multiple electricity meters on your property, each will have its own NMI, which will be shown on the billing from your power supplier. This means that you only pay for what you use.
The NMI is also useful when connecting electricity to your home. Providing your NMI to your electricity retailer ensures that the electricity is connected at the right property. It is also necessary when installing an electricity meter at a newly built property, as your electrician cannot connect your property without one.
You can find your NMI on your electricity bill, usually on the first page with your account details.
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NMI is also used for gas meters
NMI stands for National Metering Identifier and is a unique identifier for electricity meters in Australia. It is used to identify the meter at a particular address and is usually located on the first page of the electricity bill.
While NMI is primarily used for electricity meters, it is also used for gas meters in some contexts. For instance, NMi, an organization that provides testing and certification services for utility meters, uses the acronym NMI for gas meters. They offer testing services for gas meters to ensure compliance with global metering standards and help manufacturers achieve regulatory approval.
In Australia, gas meters have a unique identifier called the Meter Installation Reference Number (MIRN). This number serves a similar purpose to the NMI for electricity meters and is used by the meter service provider to identify the gas meter. The MIRN can be found on the gas bill, similar to how the NMI is located on the electricity bill.
It is important to note that while NMI is used for electricity meters in Australia, the identification system for gas meters may vary depending on the region. For example, in New South Wales, the gas meter number is called the Delivery Point Identifier (DPI) and can be found on the gas bill or the gas meter itself.
Therefore, while NMI is primarily associated with electricity meters in Australia, it is also relevant in the context of gas meters, particularly when referring to the testing and certification services provided by organizations like NMi, or in certain regions where NMI may be used as an identifier for gas meters.
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Frequently asked questions
NMI stands for National Metering Identifier or National Meter Identifier.
An NMI number is used by power companies to link a customer to their electricity meter and power usage.
You can find your NMI number on your electricity bill. It will usually be located on the first page of your bill, under 'Your Account Details' or 'Your Electricity Supply Details'.
An NMI number consists of 10 or 11 digits.
While it is not mandatory, providing your NMI number to your electricity retailer can help ensure that electricity is connected at the right property.









































