Electricity meters come in different types depending on how and when power is supplied to your property. Here's a breakdown of the most common Frank meter configurations, what they do, and how they affect your electricity usage and costs.
Uncontrolled Meter (UN24)
Configuration Code: UN24
Description:
One register = one reading
Power is available 24 hours a day
Commonly used for power points and general appliances
Can be the only meter at a property
Premium cost per unit due to constant availability
Controlled Meter (CN19 and variations)
Configuration Code: CN19, CN18, etc.
Description:
One register = one reading
Includes a relay that allows the Network Company to turn off supply during peak demand
The number (e.g., 19) indicates minimum hours of supply per day (actual hours may vary by region)
Commonly used for hot water cylinders or underfloor heating
Appliances must be permanently wired
Must be used with another meter configuration type e.g UN or IN
Lower cost per unit
All Inclusive Meter (IN24 or IN19 and variations)
Configuration Code: IN24, IN19, etc.
Description:
One register = one reading
Combines features of Uncontrolled and Controlled meters
Includes a relay for hot water control during peak demand
Power points and lighting have 24-hour supply
Can be the only meter at a property
Cost per unit is either the same as Uncontrolled or somewhere between Uncontrolled and Controlled
Day/Night Meter (DUN16/NUN8)
Configuration Code: DUN16, NUN8
Description:
Two registers = two readings
Provides 24-hour supply
Day register: 7am–11pm (or 7am–9pm in Orion/Electra networks)
Night register: 11pm–7am (or 9pm–7am in Orion/Electra networks)
Can be the only meter configuration combo at a property
Day rate is higher than Uncontrolled (except in Wellington)
Night rate is lower in most areas
In Orion Network, hot water setup varies and may not be easily identifiable
Night Only Meter (NO8 or CN8)
Configuration Code: NO8, CN8
Description:
One register = one reading
Includes a relay that turns off power at 7am
Supply is available only from 11pm–7am
Commonly used for Night Store heaters
Must be used with another meter
Solar Meter (EG24)
Configuration Code: EG24
Description:
Records generation sent back to the grid
Used with import/export meters
Helps track solar energy production
Notes:
Meter configuration codes may vary slightly by network area.