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Loganlea to Jimboomba network upgrade

Residential and commercial growth in South East Queensland and an increased demand for energy has led to a sharp rise in electricity consumption. As a result, the region’s existing electricity supply is reaching capacity.

To meet increased demand, ENERGEX has embarked on a five year, $4 billion investment program across South East Queensland. This investment will reinforce the network and provide a more reliable and safe supply of electricity to residents and businesses.

It is proposed that Logan, one of the region’s fastest growing areas, should benefit from this investment program.

what is the Loganlea to Jimboomba network upgrade?
what will the network upgrade involve?
final IAR consultation now closed
where is the proposed corridor?
how has the proposed corridor route changed?
what are the outcomes of consultation?
how has ENERGEX used the feedback received?
how has the proposed corridor route changed?
what happens next?
what is the timeframe for the network upgrade?
what is the approval process for the network upgrade?
how will I be kept informed?
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what is the Loganlea to Jimboomba network upgrade?

The proposed Loganlea to Jimboomba network upgrade is an approximately 22 kilometre, 110,000v (110kV) powerline of predominantly overhead construction from Loganlea Substation on Meakin Road, Loganlea to Jimboomba Substation, located on Camp Cable Road, Jimboomba.

The proposed new 110kV powerline will, if constructed, help provide additional security and reliability to the electricity supply to the broader Mount Lindesay, Jimboomba and northern Beaudesert areas, including support for future development in Flagstone and Yarrabilba.

what will the network upgrade involve?

ENERGEX proposes to construct a new 110kV powerline between Kingston Substation at Chambers Flat Road and Jimboomba Substation at Camp Cable Road. The proposed new powerline would connect to an existing 110kV powerline that runs between Kingston Substation and Loganlea Substation.

The proposal involves constructing concrete poles averaging 22 metres tall along the majority of the route, spaced an average of 200 metres apart.

examples of the type of concrete poles (221 kb)

final IAR consultation now closed

Consultation is now closed on the Final IAR. Thank you to everyone who took the time to make a submission.

Formal submissions were accepted from 21 June 2010 to 9 July 2010.

where is the proposed corridor?

The initial 2.5km section between an existing Powerlink owned substation on Meakin Road, Loganlea and an existing ENERGEX substation on Chambers Flat Road, Kingston already contains infrastructure capable of supplying the forecast increase in demand. This section will form part of the approvals process applicable to the entire line, but will require no new construction.

The corridor for new construction leaves Kingston Substation then traverses Kingston Road and Logan Reserve Road, then following the new proposed alignment, straight through to the end of Glen Road. The corridor then crosses the Logan River at Anzac Avenue, and heads south on Waterford-Tamborine Road to join an easement containing an existing 33kV powerline. The corridor follows this easement, crossing over Hotz Road and existing electricity infrastructure before crossing Camp Cable Road and continuing west to Jimboomba Substation.

The proposed corridor as outlined in the Final IAR was determined following consultation with the community on the IAR and Supplementary IAR. Based on feedback received during initial stakeholder consultation, ENERGEX made some changes in the northern section of the corridor. These changes were detailed in the Supplementary IAR which was voluntarily released by ENERGEX for public comment on 17 March 2010.

For information about the route selection process, please visit archived information.

preferred corridor route – Supplementary IAR, 17 March 2010 (map is not to scale) (557kb)

what are the outcomes of consultation?

Consultation on the IAR

In June 2009 ENERGEX released the IAR for public comment, as part of ENERGEX’s obligations under the Community Infrastructure Designation (CID) process. The IAR informed the community of the project and provided information about work undertaken by ENERGEX to identify and address social, environmental and economic issues relating to the project. ENERGEX received 72 submissions on the IAR from a range of stakeholders including affected landowners, local residents, the wider community, Logan City Council and Government agencies. The response to the project helped to formally identify the main issues of concern in relation to the Project including:

route selection
property values
health and safety (including electric and magnetic fields, and the safety of poles along the Logan River)
short and longer term impacts on the environment, especially along the Logan River
vegetation management and tree clearing
visual amenity
impacts on local wildlife, and
the consultation process.

Consultation on the Supplementary IAR

In March 2010, ENERGEX released the Supplementary IAR for community consultation. This was not part of ENERGEX’s requirements under the CID process but an additional, voluntary consultation activity undertaken to ensure the community was able to provide feedback to ENERGEX about changes to the route corridor resulting from comments received on the IAR in mid-2009. ENERGEX received 59 submissions on the Supplementary IAR from a range of stakeholders along the corridor route.
More information about the outcomes of this consultation on the IAR and Supplementary IAR is available in the Chapter 17 of the Final IAR.

Consultation on the Final IAR

From 21 June to 9 July 2010, ENERGEX released the Final IAR for community consultation. This was the final formal consultation activity for the Project and part of ENERGEX’s legislative requirements under the CID process.

During consultation, more than 100 submissions were received about the Project from a range of stakeholders. More information about the outcomes of all consultation undertaken for the Project will be available in the Final Assessment Report, due for public release in late 2010.

how has ENERGEX used the feedback received?

ENERGEX has analysed all IAR and Supplementary IAR submissions and comments received in relation to the project. In response to the IAR feedback received, ENERGEX conducted further investigations to help address the issues and concerns raised by the community.

In response to this, ENERGEX also produced a further report – the Supplementary IAR - which outlines the changes made in response to community feedback and lists the potential impacts and mitigation measures specific to the revised section of the corridor. All members of the community who made a submission have received personal detailed responses to their submission.

ENERGEX has undertaken additional environmental studies and looked for opportunities along the preferred corridor to make improvements that would further mitigate concerns. As a result, ENERGEX plans to make some changes to the proposed powerline corridor, including reducing the impact on the number of properties directly affected, the number of river crossings and the alignment of the proposed powerline along the Logan River.

Feedback received during consultation on the Final IAR is currently being assessed by ENERGEX.

how has the proposed corridor route changed?

Following consultation on the IAR, the preferred corridor route was altered between Logan Reserve Road and Glen Road. There will now be an additional 3.5 kilometres of underground construction, removing the impact on 24 properties and two crossings of the Logan River. This altered corridor forms the proposed corridor route for the Project, reported on in the Final IAR.

The first 2.2 kilometres of the chosen route was always planned as underground construction, simply because there was no room to build it overhead with the existing electricity assets in the area.

While ENERGEX maintains the original proposal would not have a detrimental impact on the Logan River, we acknowledge the value placed on the river by the local community. With this in mind, ENERGEX has now committed to continuing the underground construction for another 3.5 kilometres to the end of Glen Road into unformed road reserve.

Glen Road presents a unique opportunity along the route where a suitable, straight road reserve exists to contain the construction, and the balance between the additional overhead cost is largely neutralised by the alternative easement acquisition costs, and complex overhead construction costs in this particular area.
The additional underground component now proposed has a number of advantages as it:

removes two crossings of the Logan River
removes one third of the river component of the project
removes the need for an easement across 22 properties overall, effectively reducing the number of landowners directly affected by the project, by nearly 25 per cent
is relatively cost neutral to ENERGEX when considering the alternative complex overhead construction in this particular section, and the reduced easement cost - this is important because infrastructure costs are passed on to consumers in the price of electricity
allows ENERGEX to proceed with an important powerline corridor, which is essential to maintaining a safe and reliable supply of electricity to the area, while further addressing community concerns.

what happens next?

In late 2010, ENERGEX will produce a Final Assessment Report (FAR) for the project. The FAR will include all submissions made during consultation on the Project, including for the Supplementary IAR. The FAR will be submitted to the Minister for Natural Resources, Mines and Energy for consideration of the Project, prior to designation and construction approval.

Property owners who are affected by easement acquisition will be contacted directly by ENERGEX in late July to discussion the acquisition and compensation process.

what is the timeframe for the upgrade?

stage	expected date	information
Stage 1: Initial Assessment Report (CID Step 1 and 2)	15 June - 3 July 2009	ENERGEX prepared an Initial Assessment Report (IAR) regarding the powerline corridor. The IAR set out all information relating to the preferred corridor as identified in the CSR. The IAR was released for initial stakeholder consultation from 15 June to 3 July 2009.
Stage 2: Supplementary IAR	17 March – 8 April 2010	Following the initial phase of consultation on the IAR, ENERGEX produced a Supplementary IAR that set out all information about the proposed corridor route change to the northern end of the alignment. The Supplementary IAR was released for additional, voluntary stakeholder consultation from 17 March until 8 April 2010.
Stage 3: Final IAR (CID Step 3 and 4)	21 June - 9 July 2010	Following Stage 2 of the Project, ENERGEX has produced a Final IAR detailing all information relating to the Project, including as a result of changes detailed in the Supplementary IAR. The Final IAR has been released for final stakeholder consultation from 21 June to 9 July 2010.
Stage 4: Final Assessment Report (CID Step 5)	Late 2010	Following consultation on the Final IAR, a Final Assessment Report (FAR) will be prepared, incorporating stakeholder and community feedback received during the final consultation undertaken in Stage 3 of the Project.
Stage 5: Forward FAR to the Minister (CID Step 6)	Late 2010	The FAR will be sent to the Minister for Natural Resources, Mines and Energy for consideration of the Project and requesting Ministerial Designation.
Stage 6: Ministerial Designation	Early 2011	When satisfied with ENERGEX’s proposal, the Minister will designate the corridor for the Project and approve it for construction.
Stage 7: Construction	Early to mid-2011	Subject to approval, construction will start on the Project.
Stage 8: Commissioning	Early to mid-2012	Subject to approval, the new powerline will be commissioned.

what is the approval process network upgrade?

As an electricity distributor, ENERGEX complies with the environmental assessment and community consultation guidelines adherent to the Sustainable Planning Act 2009.
For further information see our proposed corridor approval process.

how will I be kept informed?

ENERGEX is committed to providing comprehensive and open communication throughout the Loganlea to Jimboomba network upgrade project. ENERGEX will keep the community and stakeholders up to date about the project and consultation process through a combination of project newsletters, advertisements in the local press and community information days.