About our network
ActewAGL Distribution is constantly planning for the future and securing the ACT and region's energy supplies. ActewAGL Distribution also engages Jemena to perform natural gas network functions through the Distribution Assets Management Services agreement.
ActewAGL has completed major capital works to increase the capacity of its distribution network supplying central Canberra.
The project involved the expansion of the Civic zone substation building and switchyard and consisted of four major works.
Construction work was being undertaken by Jemena and the project was completed in 2013.
132kV/11kV 55MVA transformer being installed on site
Construction work on the building extension and excavation works (within the 132kV switchyard) for the new cable duct system
At ActewAGL, we understand the ongoing energy needs of the community. That’s why we intend to construct a new 132/11kV zone substation in Molonglo, so we’re ready to meet the electricity needs of the Molonglo Valley, in the future.
The substation will provide an additional 55MVA capacity, enough to supply more than 20,000 homes with electricity.
Molonglo Stage 1 - land acquisition and development application (DA) approval is underway, with completion of the Stage 1 construction in the next 4 to 5 years.
ActewAGL has completed construction of a new 132/11kV zone substation to increase the capacity of its distribution network supplying the South Canberra region. In particular, this is to meet the existing and growing demand in Fyshwick, Canberra Airport precinct and South Canberra.
The East Lake zone substation development will be undertaken in two stages. Stage 1 was completed in early 2014.
132 11kV power transformer installation and cabling completed 11kV switchgear installation and pre -commissioning completed
132KV Gas Insulated Switchgear installation
The second point of electricity supply into the ACT will supplement the existing major electricity supply point in northern Canberra. The additional supply point is required to provide a reliable and secure electricity supply to the ACT.
The project is made up of the following two stages of work.
Stage 1: This stage involved the construction of two new 132kV transmission lines to connect the Transgrid zone substation at Williamsdale and the existing ActewAGL subtransmission line near Theodore. This work was completed in March 2012.
Stage 2: This stage involves an upgrade of the 132kV transmission line between Gilmore and Theodore to improve the connection capacity from Williamsdale substation. This work is scheduled to be completed over the next three years.
(L) Site tour with ActewAGL CEO Michael Costello inspecting the 132kV line route and machinery to pull the Optical Ground Wire (OPGW)
(R) Completed Mobile Substation Site (MOSS) at Angle Crossing ready to commission and connect to the ActewAGL 132kV Transmission Line
Capacity to deliver approximately 30,000 scmh needs to be introduced into the gas distribution networks in Queanbeyan and surrounding areas over the next 20 years to supply demand for the areas of Jerrabomberra, Queanbeyan, Fyshwick, Hume and the proposed new developments at Googong and Tralee. To cater to this growth, ActewAGL plan to construct a new 5 km primary main and a new Primary Regulating Station (PRS) at Hume.
The new primary main will extend from the existing Jerrabomberra Package Off-take Station (POTS) at Narrabundah to a junction at the corner of Lanyon Drive and Monaro Highway at Hume. The planned location of Hume PRS is in Section 18, north of Lanyon Drive, east of the Monaro Highway and south of the new SES training facilities.
Together, these facilities will ultimately supply natural gas to approximately 25,000 customers in the areas of Jerrabomberra, Queanbeyan, Fyshwick, Hume, and the future proposal developments of Googong and Tralee. In addition, they will provide long-term capacity for prospective large consumers in Hume and provide a long-term supply into the Hume – Tuggeranong Interconnection (HTI).
ActewAGL has commenced major capital works to enhance the capacity and reliability of natural gas supply to Hume and Tuggeranong to meet future commercial and residential growth in these areas.
The natural gas network in Canberra’s Tuggeranong district is approaching its designed winter capacity. To support growing demand and ensure continuity of supply over the next 20 years, it is forecast that approximately 27,000 cubic metres per hour of gas will be needed in the Tuggeranong area. To achieve this, a gas network interconnection is required between Hume and Monash and will be constructed in two stages:
Installation of 2.4 km gas main along the Monaro highway between Lanyon Drive and Tralee Street, Hume. (See Figure 1 below)
Construction of a 5.3 km gas main along the Monaro Highway and Isabella Drive to Ashley Drive, Monash.
Completion due April 2013
Stage 1 of the project is now complete. Project Management and site supervision was performed by Jemena Asset Management. Construction was undertaken by civil engineering contractors Diona Pty Ltd.
Onsite activity included open trench excavations and welding of pipe. Trenchless technology including boring and directional drilling was also employed to avoid damaging the root systems of nearby trees.
Stage 2 of the project is expected to commence mid 2012.
Closely related to this project is the extension of primary gas mains from Narrabundah to Hume, together with the construction of a new Primary Regulating Station at Hume. Programmed for completion before winter 2013, these facilities will ultimately supply approximately 25,000 customers in the areas of Jerrabomberra, Queanbeyan, Fyshwick, Hume, and the future proposed developments at Googong and Tralee. In addition, these facilities will further reinforce supply of natural gas to Hume and Tuggeranong.
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