Colongra Gas Transmission & Storage Pipeline
The Colongra Gas Transmission and Storage Pipeline was designed and built by Jemena to deliver gas to Snowy Hydro Limited's 667MW gas turbine facility near the existing Munmorah power station on the Central Coast of NSW. The pipeline not only transports gas to the power station but also stores enough gas to allow the power station to run at full capacity for five hours.
The Colongra pipeline includes 3.5 kilometres of 10 inch feeder pipeline, a 42 inch storage pipeline, a compressor station that increases gas pressure from 3.4MPa to 13MPa and a let-down station. It is the largest on-shore gas pipeline in Australia and is double looped to create nine kilometres of pipeline storage in a three kilometre stretch of land.
We look forward to discussing your gas transportation requirements.
Contact Us
To discuss your gas transportation needs, please contact our Client Services Manager - Commercial via
Email - pipeline.commercial@jemena.com.au
Fax - 03 9173 7514
Unless stated otherwise, information published on this page for the purposes of Division 2 Part 10 of the National Gas Rules was last updated on 10 May 2024, is current as of that date and replaces all previous versions.
Pipeline Information |
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| Pipeline Class | Transmission |
| Pipeline Map |
Click here for Colongra Gas Transmission and Storage Pipeline Schematic map |
| Nameplate Rating | Click here for nameplate rating published on AEMO’s website |
| Construction Date | March 2009 |
| Receipt Point(s) | Munmorah Compressor Station |
| Delivery Points | Munmorah Delivery Station |
| Connected Facilities | Click here for Colongra Gas Transmission and Storage Pipeline connected facilities |
| Length | 9km * (*13.23km including laterals) |
| Pressure | 3.4 to 13.0 MPa |
| Compression | 2 Ariel Reciprocating Compressors with Wauesha Gas Engines (one per compressor) |
| Gas Specification | Refer to Colongra Standard form GTA (Schedule 1 and Schedule 3) |
| Supplier Curtailment Methodology | Click here for Colongra Supplier Curtailment Methodology |
| Type of Gas Transported |
Natural gas – refer to pipeline’s indicative gas specification published on this page. Note that gas injected into the pipeline may be supplied from other pipelines which carry a co-mingled gas stream and may therefore potentially include gas blends. Any such gas blend must comply with Colongra Pipeline's applicable gas specification. |
| Future Changes to Type of Gas Transported | The service provider is not currently aware that the type of gas transported through the Colongra Pipeline is going to change in the future. |
Pipeline Service Information |
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| Pipeline Services | Click here for Colongra Transportation Services and Pricing Methodology |
Service Usage Information |
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| Historical monthly quantities of gas metered injected into and withdrawn from the pipeline and gas scheduled for injection into and withdrawal from the pipeline attributable to each pipeline service | Click here for Colongra service usage information |
| Number of contracted customers as at the last day of the financial year | 1 |
Service Availability Information |
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| Information about matters expected to affect the capacity of the pipeline over the next 12 months |
Click here for Medium Term Capacity Outlook (12 Month) |
| An outlook for the firm capacity expected to be available for sale over the next 36 months |
Click here Uncontracted Capacity Outlook (36 Months) |
| Information on any other limitations on the availability of pipeline services | Relevant technical and operational requirements for access to this pipeline are referred to on this page. Jemena will provide you with any other information relevant to your access request. |
Standing Terms |
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| Services and standing price methodology. This document also includes information about charging structures and other prices and charges applicable to each pipeline services. | Click here for Colongra Transportation Services and Pricing Methodology |
| Standing prices (reference transportation tariffs) | Click here for Colongra Tariff Schedule |
| Standard Terms and Conditions (GTA) | Click here for Colongra Standard Terms and Conditions |
User Access Guide and Interconnection |
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| User Access Guide | Click here for Jemena - User Access Guide |
| Access Request Form | Access Request Form |
| Standard Connection Agreement | Jemena - Template Interconnection Agreement |
| Standard Confidentiality Agreement for connection | Jemena Template Confidentiality Agreement (Two Way) Interconnection |
Actual Prices Payable Information |
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| Actual Prices Payable | Click here for Actual Prices Payable data |