Execution, operation and close out

Who is this for?

Major customers that have completed the Planning stage and have an executed Access Offer.

How long will it take?

Project specific

How much will it cost?

Project specific

Connection process

Execution

During this stage we will complete the dynamic network studies, detailed design, procurement, construction and commissioning of the required network modifications and your facility (as applicable) under the terms of your Interconnection Works Contract (IWC).

Pre-Construction Activities

Below are the indicative costs and timings for each of the pre-construction activities that may be required: 

Activity	Estimated cost*	Estimate timeframe*	Customer inputs/deliverables required
Dynamic Studies - RMS Networks	$55,000 (excluding GST)	10 weeks	Access Offer contracts (IWC and ETAC) executed, and payment/securities received
Stage 1: EMT Studies (SMIB)	$30,000 (excluding GST)	5 weeks	Access Offer contracts (IWC and ETAC) executed, and payment/securities received Updated Connection Application PSCAD Model Model User Guide
Stage 2: EMT Studies (Networks)	$55,000 (excluding GST)	10 weeks	Access Offer contracts (IWC and ETAC) executed, and payment/securities received Updated Connection Application PSCAD Model Model User Guide
Detailed Design	Project specific	Project specific	Access Offer contracts (IWC and ETAC) executed, and payment/securities received

Construction and Commissioning

Below are the high-level activities and customer inputs/deliverables required:

Activity	Estimated cost*	Estimate timeframe*	Customer inputs/deliverables required
Procurement and Construction (including GPS Assessment R1 Validation - Generation only)	Project Specific	Project Specific	Access Offer contracts (IWC and ETAC) executed and all IWC customer deliverables have been satisfied, these may include: Final studies and designs completed Financial close achieved (payment or securities received) All land access agreements are in place All easements have been agreed All Environmental, Planning and Heritage Approvals have been provided All third-party approvals (gas, water, railway, telecommunications etc.) provided GPS R1 assessment submission (Generation only)
Commissioning (including GPS Assessment R2 Validation - Generation only)	Project Specific	Project Specific	For market participant generators a Commissioning Test Plan, which documents commissioning tests to be performed, must be approved by AEMO in advance of any testing. GPS R2 assessment submission (Generation only)

Operation and Close Out

Once constructed and commissioned, the new or modified connection assets can begin operating under the terms of the Electricity Transfer Access Contract (ETAC) and we can formally close out your project.

For generators, operation is subject to receiving an Approval to Generate Notification, in accordance with the WEM Rules.

Activity	Estimated cost*	Estimate timeframe*	Customer inputs/deliverables required
Project close out	$10,000 (excluding GST)	Up to 12 months	Nil

*The estimated costs and timeframes shown above are to be used as a guide and will vary depending on project specifics, such as facility size, connection voltage, complexity and geographic etc. The durations are based on all customer deliverables having been received and with no queuing time. Some activities may be able to happen in parallel.