Embedded Electricity Networks in Apartments: The Hidden Cost That Adds Thousands Over Your Ownership

You’re buying an apartment in a newer Melbourne high-rise. The Section 32 mentions an “embedded network” or “exempt seller”. The body corporate certificate refers to “the network operator”. The agent says the building has “centralised utilities”.

These are all clues that the apartment is on an embedded electricity network — a private electricity supply arrangement that can lock you into a single retailer, often at prices 20–50% above what you’d pay on the open market. Embedded networks are legal, increasingly common in Victorian apartments, and one of the most under-disclosed cost issues in the strata market.

This guide explains what embedded networks are, how to spot one, what it costs you, and what protections you have.

What is an embedded electricity network?

An embedded network is a private electricity distribution system within a single building or complex. The grid supplies electricity to a single connection point at the building, and a private network operator distributes it to individual apartments. The operator bills each apartment directly for its consumption.

From the buyer’s perspective, the key consequence is that you cannot freely choose your electricity retailer. You buy from the embedded network operator (or a retailer they have an arrangement with). The competitive retail market that lets you switch retailers for a better deal — that doesn’t apply to your apartment.

Why developers install embedded networks

Embedded networks are usually installed because the developer receives a financial benefit, not because it benefits future residents. Common arrangements:

• A network operator pays the developer an upfront fee (sometimes $50,000–$200,000) for the right to operate the network for 10–25 years
• The developer receives a share of the operator’s ongoing revenue
• The network installation is funded by the operator, reducing developer construction costs

The cost is then passed to apartment owners and tenants over the term of the operator’s exclusive supply rights.

Cost comparison — embedded vs market

Over a 10-year ownership period, a typical apartment buyer pays $3,000–$6,000 more on an embedded network than they would on the open market. For larger apartments (3-bed, family) the differential can be $500–$1,200/year.

How to detect an embedded network

Embedded networks rarely use the term “embedded network” in marketing. The signals to look for:

• In the Section 32:Mention of “embedded network”, “exempt seller”, “private network operator”, “centralised utility supply”
• In the OC certificate: Reference to a network operator agreement, exclusive supply contracts, or utility metering arrangements
• In the OC rules:Restrictions on installing solar panels or batteries, requirements to use the OC’s utility provider
• From the agent:Phrases like “all utilities included in OC fees”, “centralised energy”, “managed electricity”
• From the building: A single main meter at the building entry, individual sub-meters in each apartment without retailer branding

Your rights — the regulatory framework

Embedded networks in Victoria are regulated by the Australian Energy Regulator under the National Energy Customer Framework, with Victorian-specific rules from the Essential Services Commission. Key protections:

• Right to choose your retailer. Even on an embedded network, you have a legal right to buy electricity from a different retailer if one is willing to supply you. In practice, few do — retailers find serving embedded customers commercially unattractive.
• Price transparency. The network operator must provide you with retail prices and an annual statement.
• Hardship protections. Standard payment difficulty provisions apply.
• Complaints to EWOV. The Energy and Water Ombudsman Victoria handles complaints about embedded networks.

The right to switch retailers is theoretical for most embedded customers. The practical reality is that for the foreseeable future, you’ll be supplied by the network operator at their rates.

Solar and battery — the embedded network blocker

Embedded networks often restrict residents from installing solar panels, batteries, or EV chargers. This may be:

• A direct restriction in the network operator agreement
• An OC rule requiring use of the network operator’s centralised system
• A practical barrier — the embedded network meter doesn’t record solar export, so feed-in tariff is zero

If you plan to install solar or have an EV, an embedded network building is almost certainly the wrong choice.

Buyer questions before bidding

• Is the building on an embedded electricity network?
• Who is the current network operator?
• What are the current tariffs vs comparable open-market tariffs?
• How long is the operator’s exclusive supply contract (years remaining)?
• Is there a similar arrangement for gas, hot water, or NBN?
• Can residents install solar or batteries?
• What feed-in tariff applies if solar is installed?

Negotiation considerations

Embedded networks justify a price reduction reflecting the higher ongoing energy costs. A reasonable adjustment is the present value of the additional energy cost over the operator’s contract remaining term — typically $4,000–$10,000 for a typical apartment.

OCs occasionally renegotiate or terminate operator contracts. Existing embedded networks have been disconnected and rebuilt as market-supply networks in some Victorian buildings, but the cost is $100,000+ for the building, generally funded by special levy. This is rarely a near-term solution.

Ready to check your contract? Upload your Section 32 or Contract of Sale at precontractreview.com for a pre-contract check — typically in just a few minutes.