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South Australia · Transmission

Connect to ElectraNet - South Australian transmission.

For transmission-connected plant in the power system running one of the world's highest shares of inverter-based generation at gigawatt scale - where EMT model quality decides outcomes.

At a glance

South Australia at a glance

RulebookNER Chapter 5
Who you deal withElectraNet (SA's TNSP), with AEMO on standards and registration
Indicative timelineCommonly a year or more to connection agreement for significant plant
ScopeTransmission-connected generation, storage and large loads

Quick answers

ElectraNet, quickly

What comes before the formal connection enquiry with ElectraNet?

ElectraNet recommends a connection options report and indicative pricing ahead of the formal enquiry under clause 5.3.2 - a pre-feasibility step that shapes everything after it.

What does ElectraNet's enquiry response cover?

The response to a clause 5.3.2 enquiry sets out shared-asset costs, contestability and functional specifications - the commercial and technical shape of the connection, early. ElectraNet publishes response timeframes for the enquiry stages.

Why do EMT studies matter so much in South Australia?

Because SA runs one of the highest shares of inverter-based generation of any gigawatt-scale system in the world. Weak-grid dynamics make fast inverter control interactions a first-order design question, and EMT (PSCAD) is the domain that resolves them.

When is a full impact assessment required?

Where the connection's system strength impact requires it - and in a state where weak-grid behaviour is the default assumption, plan for that possibility from the start.

Who signs off the performance standards in SA?

AEMO endorses the performance standards before the offer to connect and transmission connection agreement - and SA's operating history means standards are negotiated carefully and verified thoroughly, with GPS compliance and R2 testing proving them on-system through commissioning.

How long does an ElectraNet connection take?

End to end, significant plant commonly runs a year or more to connection agreement, with the deepest variability in performance standard negotiation and system strength outcomes.

The pathway

ElectraNet's path to an agreement

  1. Pre-feasibility

    Connection options report and indicative pricing - recommended before formal lodgement.

  2. Connection enquiry (5.3.2)

    ElectraNet's response sets out shared-asset costs, contestability and functional specifications.

  3. Application to connect

    Proposed performance standards, supporting network studies and a preliminary works agreement.

  4. Full impact assessment

    Where the connection's system strength impact requires it.

  5. Offer to connect

    Transmission connection agreement, following AEMO's endorsement of performance standards.

  6. Design, build and registration

    Delivery of connection assets and AEMO registration.

  7. GPS compliance and R2 testing

    On-system proof through commissioning.

APD Global transmission and substation design

Studies

Where EMT carries real weight

System strengthFirst-order in SA - the state's generation mix makes weak-grid behaviour the default assumption.
PSCAD EMTValidated PSCAD models are where SA connections are made or broken.
PSS®E RMSThe standard wide-area dynamic suite alongside the EMT work.
Steady-stateLoad flow and fault level behind the application.

South Australia runs one of the highest shares of inverter-based generation of any gigawatt-scale power system in the world - the study expectations reflect it. Power system studies.

The honest part

Where it gets hard

Weak-grid dynamics

Low system strength regions make inverter control interactions a first-order design question, not a compliance afterthought - EMT studies done early change plant selection, and APD runs them proponent-side.

Performance standards under scrutiny

SA's operating history means standards are negotiated carefully and verified thoroughly - model quality at application is the schedule.

Official documents

ElectraNet's own pages

Last reviewed: October 2026 · Always confirm current requirements with the network directly.

Proof, not promises

APD on weak grids and big batteries

Aerial view of the Waratah Super Battery at Munmorah - rows of battery units beside the high-voltage switchyard

Grid-scale BESS

Waratah Super Battery

Independent Engineer on one of the world's most powerful batteries - inverter-based plant at the hard end.

The project →
Simulated versus measured model validation traces from generator performance standard testing

Model validation

GPS, proven

Simulated versus measured - the model validation discipline SA connections live on.

The GPS case →

Keep navigating

The NEM process

The Chapter 5 spine every region shares.

Open →

Victoria - VicGrid

The neighbouring declared shared network.

Open →

BESS grid connection

Battery-specific studies and connection engineering.

Explore →

Pathway summarised from the network's published connection process as at October 2026. Processes, fees and thresholds change - the network's own documents are the authority.