PREPAID 101 | METERMALL GUIDES
Prepaid electricity meters provide a simple way to measure electricity consumption while allowing electricity credit to be purchased before it is used.
For homeowners, landlords and property managers, prepaid metering can provide greater visibility over electricity consumption and offer a practical way to manage electricity across homes, rental properties and multiple units.
But how does a prepaid electricity meter actually work? Here’s a simple overview.
What is a prepaid electricity meter?
A prepaid electricity meter measures the amount of electricity being consumed while keeping track of available prepaid electricity credit.
Unlike a traditional billing arrangement where electricity is consumed first and billed afterwards, prepaid electricity works on a pay-before-you-use principle.
The process is straightforward:
- Electricity credit is purchased.
- A prepaid token is generated for the registered meter.
- The token is entered into the meter or Customer Interface Unit (CIU), depending on the meter setup.
- The purchased electricity credit is loaded.
- The available credit reduces as electricity is consumed.
This gives users greater visibility over their available electricity and allows them to purchase additional credit when required.
MeterMall Explains
Prepaid electricity simply means purchasing electricity before using it.
The prepaid meter measures consumption and deducts it from the available electricity credit as electricity is used.
What is a prepaid electricity sub-meter?
A prepaid meter used for sub-metering does not replace the property's municipal or primary electricity meter.
Instead, a sub-meter is installed downstream from the property's main electricity supply to measure the consumption of a specific tenant, dwelling, section or unit.
For example, a property may have one municipal electricity connection supplying several rental units. Individual prepaid sub-meters can then be installed to measure the electricity consumed by each unit.
The property's municipal electricity account remains separate from the individual prepaid sub-meters.
Good to Know
A prepaid sub-meter does not replace your municipal electricity meter.
It provides an additional level of metering that can help property owners measure and manage electricity consumption within a property.
What is a CIU?
When looking at prepaid electricity meters, you'll often see the term CIU.
CIU stands for Customer Interface Unit.
It is typically a separate keypad or interface that allows the user to interact with a compatible prepaid electricity meter.
Depending on the meter configuration, the CIU can be used to enter prepaid electricity tokens, check available credit and access certain meter information.
This is particularly convenient where the actual electricity meter is installed in a secure meter box or distribution area while the CIU remains accessible inside the home or rental unit.
The important distinction: the CIU is not the electricity meter itself.
How do prepaid electricity tokens work?
Prepaid electricity credit is purchased using the unique meter number associated with the prepaid meter.
A token is then generated for that meter and entered through the appropriate meter interface or CIU.
Once the token has been successfully accepted, the purchased electricity credit becomes available for consumption.
Because prepaid tokens are associated with a specific meter, it is important to use the correct meter number when purchasing electricity.
The meter must also be correctly registered on the applicable vending platform before prepaid tokens can be generated successfully.
MeterMall Tip
Register your meter as soon as possible after receiving it.
Completing the registration process early helps ensure that the meter is ready for prepaid vending when electricity tokens are required.
Why use prepaid electricity for a rental property?
Prepaid electricity can be particularly useful for landlords and property owners who need to manage electricity consumption across rental properties.
Rather than manually calculating individual electricity usage after it has been consumed, prepaid sub-metering allows individual tenants or units to purchase electricity according to their requirements.
Prepaid metering can help provide:
- Greater visibility over individual electricity consumption
- Simpler utility recovery
- Reduced reliance on manual meter readings
- Less administration around electricity usage calculations
- Greater control for occupants over their electricity purchases
- Individual metering for multiple units on the same property
For properties with multiple rental units, separate prepaid meters can provide a practical way to distinguish electricity consumption between individual occupants.
Where can prepaid electricity tokens be purchased?
Once a compatible prepaid meter has been correctly registered for vending, electricity tokens can be purchased through supported vending channels.
Depending on the vending platform, these can include participating retailers, banking apps, online banking platforms, ATMs and other approved prepaid electricity vendors.
This gives prepaid electricity users convenient options for purchasing additional electricity when required.
Does a prepaid electricity meter need professional installation?
Prepaid electricity meters should be installed by a suitably qualified installer in accordance with applicable electrical requirements and the manufacturer's installation instructions.
Correct installation is important for the safety, operation and reliability of the metering system.
Before installation, it is also important to ensure that the correct meter has been selected for the property's electrical requirements.
How do you choose the right prepaid electricity meter?
Not every property requires the same prepaid metering solution.
Before purchasing, consider:
- Whether the electricity supply is single-phase or three-phase
- Where the meter will be installed
- Whether a separate CIU is required
- How many units need to be individually metered
- The property's electrical requirements
- Whether the application is residential, rental or commercial
Choosing the correct meter from the beginning can make installation and ongoing prepaid electricity management considerably easier.
Prepaid metering made simpler
Prepaid electricity doesn't need to be complicated.
With the right meter, correct registration and professional installation, prepaid metering can provide a convenient way to manage electricity consumption across homes, rental properties and developments.
MeterMall is a South African online store specializing in prepaid electricity and water metering solutions, making it easier to choose, purchase and register prepaid meters online.
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How to Choose the Right Prepaid Electricity Meter
In the next MeterMall Guide, we'll explain what to consider when choosing a prepaid electricity meter, including single-phase and three-phase requirements, CIUs and different property applications.
About MeterMall
MeterMall is a South African online store specialising in prepaid electricity and water metering solutions.
Our goal is to make prepaid metering easier to understand, purchase and manage for homeowners, landlords, property managers and developments across South Africa.
MeterMall | Prepaid Metering. Made Simpler.
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