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Evoenergy is continually planning for the future and securing the ACT region's energy supplies through a range of projects.

Jerrabomberra transmission line extension

The electricity demand in Jerrabomberra is growing significantly. To meet the future electricity needs of this area we plan to install a new 132kV transmission line.

The proposed 3.6 kilometre transmission line will extend from the existing East Lake to Gilmore 132 kV line on the Monaro Highway, travelling east along Hindmarsh Drive to Canberra Avenue and adjacent to Canberra Avenue in a southerly direction. The line will then connect into a new zone substation at HMAS Harman (to be constructed separately to the transmission line works).

We have engaged engineering consultants GHD to prepare an environmental impact statement. The environmental impact statement will assess potential impacts and identify measures to be implemented to manage these impacts.

For more information or to register your interest to participate in the regulatory investment test for this project, visit engagement opportunities.

Lawson South Stage 2

Following a number of changes to the ACT Government Suburban Land Agency’s (SLA) development strategy for Lawson South Stage 2, Evoenergy has completed preliminary design work for the requisite undergrounding of both 132kV transmission lines and 11kV distribution lines around the Belconnen zone substation. Noting the variation to previously agreed works, we will continue to work with the SLA to support their approach to market.

Molonglo zone substation

Over the next 30 years, the Molonglo Valley District is expected to be home to around 21,000 new dwellings. To meet the future electricity needs of this area, we intend to construct a new 132/11kV zone substation in Molonglo.

The substation will provide an initial additional capacity of 15MVA, followed by an ultimate 55MVA of capacity in future years. This is enough to supply more than 20,000 homes with electricity.

Stage 1 of this project including land acquisition and development application (DA) approval is underway, with completion of initial construction in the next two to three years.

We have identified potential non-network solutions in Molonglo such as battery storage to complement the construction of the Molonglo zone substation. For more information about the regulatory investment test currently open for consultation, or register your interest to participate, visit our engagement opportunities page.

Optical fibre replacement project

Evoenergy is installing optical fibre communications between our zone substations to improve system reliability and security standards. Five optical fibre wires have been installed, with one further cable still to be completed. This project involves replacing existing wires with new aluminium ones that contain optical fibre cores through the middle of the conductors on top of the towers.

As our network grows and customer base expands these security upgrades will allow us to get more out of existing assets, reduce costs and provide opportunities to diversify the grid. The works will also ensure we continue to meet reliability and security standards as set by the Australian Energy Market Operator (AEMO). The second stage is in progress, with remaining stages due for completion by the middle of 2018.

Secondary electricity supply for the ACT

Having a second point of electricity supply into the ACT will supplement the existing major electricity supply point in northern Canberra and is an important part of ensuring a reliable and secure electricity supply to the ACT.

The first stage of the second point of supply to the ACT project involved the construction by TransGrid in 2013 of the 330/132 kV Williamsdale Substation in the south of the ACT. This substation has been connected to Evoenergy's network via two new 132 kV transmission lines to Evoenergy's Theodore and Gilmore substations.

To complete the second point of supply to the ACT project, the following works are proposed and will be completed by 2020:

 

Construction of a new 330/132 kV substation by TransGrid at Stockdill Drive, West Belconnen.
Construction by TransGrid of a new 330 kV transmission line from Stockdill Substation to Canberra Substation.
Reconnection by TransGrid of its 330 kV Upper Tumut - Canberra transmission line to Upper Tumut - Stockdill.
Reconnection by TransGrid of its 330 kV Canberra - Williamsdale transmission line to Stockdill - Williamsdale.
Construction by Evoenergy of a new 132 kV transmission line from Stockdill Substation to connect to its Canberra - Woden transmission line.

Construction work has commenced. The Environmental Impact Statement (EIS) and the Construction Environmental Management Plan (CEMP) have been approved by ACT Environment, Planning and Sustainable Development Directorate (EPSDD). Click here to view the project CEMP.

Further information on this project can be found here or on the TransGrid website.

Evoenergy has published an Annual Compliance Report in accordance with EPBC Approval 2016/7784 on 11 January 2021. View the Annual Compliance Report here.

Transmission Network Service Provider TNSP

To accurately record network losses, and in compliance with regulatory requirements on metering, Evoenergy is adding metering at each zone substation.

Civic Zone Substation, Firth Rd to Edinburgh Avenue, Acton

Evoenergy has completed capital works for the construction of a new 11 kV cable feeder from Civic Zone Substation, Firth Rd Acton to Edinburgh Avenue, Acton to supply new residential and commercial developments in the Canberra CBD. The project was delivered in two stages. The first stage from the Zone Substation to Clunies Ross Street and the second stage from Clunies Ross St to Edinburgh Avenue Nishi building.

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