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Report Data


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Connection Point Constraints

Constrained connection point Year Gadara Broken Hill 4 Yass Sydney West Sydney East Armidale Tamworth 330 kV Coleambally Molong Tuggerah Broken Hill Wellington Parkes Darlington Point3 Yass Munyang Wagga 330kV Sydney West2 Macarthur2 Murrumburrah Deniliquin Darlington Point Wagga 330 kV Ingleburn Muswellbrook Liverpool Haymarket Forbes Broken Hill Darlington Point Darlington Point4 Wagga 132 kV and Yanco Vineyard Vineyard Western Sydney Priority Growth Area Various substation sites Southern NSW Far West NSW Sydney West Various Substation sites 2 Ingleburn Kemps Creek Liverpool Moree Murrumburrah Panorama Sydney North- Southern NSW2 Sydney West Sydney northwest 330 kV smart grid controls Narrabri Taree North West NSW Various substation sites 22 Greater Sydney Region Moree/ Inverell Region Canberra Beryl Canberra Sydney South Sydney East0 Sydney North Albury Dapto Tomago Hume Wagga 132 kV Murray Eraring Darlington Point2 Inverell Gunnedah2 Tumut Taree Yass2 Tenterfield Molong2 Various Substation Sites2 Sydney East Lismore Wallerawang Lower Tumut Regentville Panorama Cowra Newcastle Sydney East Vales Point Forbes Nambucca Gunnedah Tomago Kempsey Finley Dumaresq Kemps Creek Narrabri2 Uranquinty Beaconsfield Vineyard Various Substation Sites22
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Transmission Line Constraints

TAPR Template Information Year Molong - Orange North (Project 1) Wagga 330 - Wagga North and Wagga 132 - Wagga North Molong - Orange North (Project 2) Sydney South - Dapto Liverpool - Sydney South Kemps Creek - Sydney South Marulan - Avon Vales Point - Munmorah Tamworth - Armidale Tomago - Newcastle2 Wellington - Orange North Tomago - Taree Taree - Port Macquarie Armidale - Koolkhan2 Burrinjuck - Tumut Sydney West - Sydney South - Wallerawang Kemps Creek - Sydney South - Ingleburn Eraring - Vales Point & Eraring -Newcastle Eraring - Vales Point3 Sydney South - Wallerawang - Ingleburn Tomago - Newcastle Sapphire - Armidale Sapphire - Armidale2 Vales Point - Eraring - Newcastle2 Vales Point - Eraring - Newcastle Beryl - Crudine Ridge Wind Farm Parkes - Forbes Canberra - Queanbeyan Jindera - Albury ANM - Albury Mount Piper - Crudine Ridge Wind Farm Newcastle - Tomago - Waratah2
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Contingent Projects

Coningent Project Name Year Supply to Bathurst Orange and Parkes Stage 2 Moree Special Activation Precinct Manage increased fault levels in Southern NSW Supply to North West Slopes Area Stage 2 System Security Roadmap operational technology
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Feeder Overload Data


Location FDR Name Extent of Primary Feeder Overload (% above normal cyclic rating)(Summer) Extent of Primary Feeder Overload (% above normal cylic rating)(Winter) Reduction Required (MVA) Potential Solution
Actual 18/19 Forecast 19/20 Forecast 20/21 Actual 2019 Forecast 2020 Forecast 2021
× Rosetta APR Portal - Platform Information

The Transgrid TAPR Portal is run on a proprietary mapping platform highly optimised to overlay vast amounts of spatial and temporal information.
More information can be found at the Rosetta Analytics™ website by clicking here.

Copyright © 2016-2023 Rosetta Analytics™
Copyright © 2007-2023 Source Code and Intellectual Property by Anthony Quattrone, PhD (anthonyquattrone.com)

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Disclaimer

The NSW Transmission Annual Planning Report (TAPR) portal is prepared and made available solely for information purposes. It is made available on the understanding that Transgrid and/or its employees, agents and consultants are not engaged in rendering professional advice. Nothing in this document is a recommendation in respect of any possible investment.

The TAPR portal reflects the forecasts, proposals and opinions adopted by Transgrid as at 21 August 2024, other than where otherwise specifically stated. Those forecasts, proposals and opinions may change at any time without warning. Anyone considering this document at any date should independently seek the latest forecasts, proposals and opinions. The TAPR portal or the information in it may be subsequently amended or updated by Transgrid.

This TAPR portal includes information obtained from AEMO and other sources. That information has been adopted in good faith without further enquiry or verification and Transgrid takes no responsibility for any error, omission or inaccuracy in that information.

The information in this TAPR portal should be read in the context of the Electricity Statement of Opportunities, Integrated System Plan, and the National Transmission Network Development Plan published by AEMO and other relevant regulatory consultation documents. It does not purport to contain all of the information that AEMO, a prospective investor, Registered Participant or potential participant in the NEM, or any other person or interested party may require for making decisions. In preparing the TAPR portal it is not possible, nor is it intended, for Transgrid to have regard to the investment objectives, financial situation and particular needs of each person or organisation which reads or uses this document.

In all cases, anyone proposing to rely on or use the information in this document should:

1. Independently verify and check the currency, accuracy, completeness, reliability and suitability of that information

2. Independently verify and check the currency, accuracy, completeness, reliability and suitability of reports relied on by Transgrid in preparing this document

3. Obtain independent and specific advice from appropriate experts or other sources.

Accordingly, Transgrid makes no representations or warranty as to the currency, accuracy, reliability, completeness or suitability for particular purposes of the information in this TAPR portal.

Persons reading or utilising this TAPR portal acknowledge and accept that Transgrid and/or its employees, agents and consultants have no liability for any direct, indirect, special, incidental or consequential damage (including liability to any person by reason of negligence or negligent misstatement) for any damage resulting from, arising out of or in connection with, reliance upon statements, opinions, information or matter (expressed or implied) arising out of, contained in or derived from, or for any omissions from the information in this document, except insofar as liability under any NSW and Commonwealth statute cannot be excluded.

By providing your details to this TAPR portal, we will treat your information in accordance with Transgrid's Privacy Policy
Privacy Policy: https://www.transgrid.com.au/Pages/privacy.aspx

When you use and access the TAPR Portal we place cookies in your web browser for tracking purposes.

Note: The data in the TAPR Portal was last updated 21st August 2024.
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Rosetta Portal System Strength Heat Map - FAQ

The following questions are written from the viewpoint of a proponent intending to connect grid following inverter-based generation resources

What synchronous generation profile was used in the network studies to generate the heat map i.e. maximum or minimum fault levels?
The synchronous generation profile is identical to the one used when undertaking Preliminary Impact Assessments. This aligns with AEMO’s System Strength Impact Assessment guidelines which states that "Fault level calculations should consider an intact network, with the minimum number of synchronous machines online consistent with the system strength requirements"
As such, the heat map represents a minimum fault level scenario.

Is this system strength under normal conditions or contingency conditions (N-1)?
The heat map represents the system strength of a fully intact system under normal operating conditions.

Does this heat map take account of existing asynchronous, committed asynchronous and advanced asynchronous generators?
The heat map is a simplified representation of available fault levels and takes into account existing and committed asynchronous generators only.

Why are some locations showing both as high and low in system strength?
For example, for a 330/132 kV substation the 330 kV is indicating low system strength and 132 kV is indicating high system strength.
This difference arises due to assumptions around projects sizes at different voltage levels. For example, it is assumed a larger size project would connect at a higher voltage level: this leads to a large reduction in Available Fault Level. Conversely, it is assumed a smaller size project would connect at a lower voltage level: this leads to a smaller reduction in Available Fault Level. At locations where there is more than one voltage level, there may be more than one representation of system strength.

If a substation is indicating low system strength does this mean I cannot connect to that substation?
No, this does not mean you cannot connect to a location which is indicating low system strength.

If a substation is indicating high system strength does this mean there is no requirement for a Full Impact Assessment and/or system strength remediation?
No, this does not mean there is no requirement to undertake a Full Impact Assessment (FIA) and/or system strength remediation. Per NER requirements, a Preliminary Impact Assessment is required to be undertaken as part of a connection enquiry response. This in turn will determine the requirement to undertake a FIA.
The outcome of the FIA determines if system strength remediation is required.

There is medium to low system strength at the location I wish to connect my project but I believe this is sufficient under system normal and we can install a transfer trip scheme to disconnect from the grid for contingencies.
The requirement for a remediation strategy due to low system strength will be confirmed following a Full Impact Assessment. A transfer trip scheme may not be an acceptable remediation strategy for your circumstances.
Implementation of transfer trip schemes are subject to (but not limited to) AEMO agreement and approval during GPS negotiation and technical feasibility and/or any technical limitations discovered during functional and/or detailed design phases.

Why the value of SSLF for some substations have been calculated in respect to system strength nodes which are far away from them?
The SSLF is representative of electrical distance between each substation and the system strength node. This means that physical distance between the system strength node and the corresponding busbar is not a determining factor.

Does the SSLF values are representing the maximum value and a lower SSLF can be achieved for the same busbar?
No, the minimum SSLF has been provided. This means that SSLF while considering other system strength nodes will be higher for the same busbar.
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Available Capacity for Load - FAQ

1. What is available capacity for load?
The available capacity for load is an estimated MW value which can be connected to a particular busbar in Transgrid's existing network. Forecasted loads beyond Summer 2024/25 were not considered in the assessment.

2. How is available capacity for load determined?
The available capacity for load, for a particular busbar, is determined based on network thermal and/or voltage limitations, for system normal and critical N-1 conditions.

3. Does available capacity consider proposed network developments?
The assessment was done based on the existing 2024 network configuration.

4. What busbars are considered for load capacity?
Busbars up to 220 kV have been considered. Load connections are not limited to these busbars or voltages.

5. Can I connect a larger load than the available capacity value or at a different connection point?
To obtain accurate information about what can be connected to Transgrid's network, the formal connection process must be followed. A connection enquiry starts the formal connection process. Each enquiry is reviewed on an individual basis, taking into account the technical specifications of the proposed connection. To make an enquiry, please email connections@transgrid.com.au. We will respond to your enquiry in accordance with National Electricity Rules.
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Available Capacity for Generation - FAQ

1. What is available capacity for generation?
The available capacity for generation is an estimated MW value which can be connected to a particular busbar in Transgrid's existing network. Generator connections in the connection process were not considered in the assessment.

2. How is available capacity for generation determined?
The available capacity for generation, for a particular busbar, is determined based on network thermal and/or voltage limitations, for system normal conditions.

3. Does available capacity consider proposed network developments?
The assessment was done based on the existing 2024 network configuration.

4. What busbars are considered for generation capacity?
Generation capacity at 220 kV and 330 kV busbars have been considered. Generator connections are not limited to these busbars or voltages.

5. Can I connect a larger generator than the available capacity value or at a different connection point?
To obtain accurate information about what can be connected to Transgrid's network, the formal connection process must be followed. A connection enquiry starts the formal connection process. Each enquiry is reviewed on an individual basis, taking into account the technical specifications of the proposed connection. To make an enquiry, please email connections@transgrid.com.au. We will respond to your enquiry in accordance with National Electricity Rules.
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Contact

For all enquiries regarding the Transmission Annual Planning Report and for making written submissions, contact tapr@transgrid.com.au.
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Historic Load Trace Data


Date Time kw