A single property network (SPN, sometimes called an embedded network) is a private electricity network servicing multiple lots or tenancies within the one property. It is connected to the grid through a 'master meter' that measures the electricity supplied for everyone on that property at that connection point.
The single property network operator/manager buys electricity from a licensed retailer to supply the whole property and on-sells that electricity to individual consumers on the property. There may be solar panels or batteries in the single property network that contribute to the electricity supply for the property. The consumption of each lot or tenancy is usually measured by its own sub-meter. These sub-meters also form part of the single property network.
Generally, the single property network operator/manager measures each customer’s electricity use through a sub-meter and charges the customer accordingly.
Single property networks can be found in:
- apartment buildings
- retirement villages
- caravan and long stay parks
- shopping centres
- office blocks
- industrial parks
- university and health campuses
- airports
- seaports
Not all these types of buildings will have single property network - some can have separate electricity meters for each lot. Where there are separate electricity meters for each lot, the customers in each lot will receive their electricity bill from a licensed retailer such as Synergy or Horizon Power.
Prior to the AES regulatory framework coming into operation on 1 January 2027, most single property networks operated under an exemption from the requirement to be licensed, the Electricity Industry Exemption Order 2005. That meant there were few regulatory obligations on SPN providers for the supply of electricity within the single property network.