Route investigations, options and refinements | Transgrid

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About us
- Who we are A dependable partner to millions of Australians, we’re the backbone that energy suppliers rely on.
- What we do We operate and manage the high voltage electricity transmission network in NSW and the ACT.
- Our approach By leading the transition to a clean energy future, we aim to make a better power system for Australians.
- Leadership Our directors and executive team have a wealth of combined experience across the energy industry.
- Our history Since the 1950's, our network has developed to meet the growing needs of energy consumers.
- Network Our network extends throughout NSW and the ACT, with connections to Queensland and Victoria.
- Regulatory framework In the National Energy Market, our operations are governed by a number of institutions.
- Suppliers We invest in building sustainable working relationships with all our procurement partners.
- Our culture We focus on making services affordable, prioritising safety, and delivering for our customers.
- Debt Investors We provide information for our registered debt investors
Safety
- Community safety To ensure the safety and reliability of our transmission network, we routinely inspect our transmission poles, towers and lines to assess their condition.
- Working near underground cables Different requirements apply to work taking place near underground transmission cables. A Before You Dig (BYD) search is essential prior to any excavation work taking place.
- Managing bush fire risk Annual inspections are an important part of our comprehensive maintenance program, and ensure the transmission network is safe for our staff and the community.
- Working safe The safety and welfare of our people, delivery partners, and the broader community is our highest priority.
Community
- Landowners Our community engagement teams consult with landowners and residents across our network and along proposed project routes.
- Social licence program We are undertaking a program of initiatives to build social licence and deliver better outcomes for impacted communities. We have a range of current key work streams.
- Stakeholder engagement We are dedicated to continuously improving our engagement with key stakeholders to support our decision making and deliver community benefits.
- Cultural heritage and reconciliation Implementing our Reconciliation Action Plan contributes to creating a more equitable future.
- Environment Integrating sustainability principles across our operations helps to protect our communities.
- Community Partnerships Program Our Community Partnerships Program benefits areas where our assets are located or under development.
- Sponsorships & Partnerships Promoting diversity and inclusion is a key component of our sponsorship program.
- Transgrid Discovery Hub The Transgrid Discovery Hub allow a consistent and accessible point of connection with community, landowners, and businesses in the Wagga and surrounding areas.
Energy
transition
- Building a better power system through system security and operability With the closure of Liddell power station in April 2023 and the planned 2025 closure of the Eraring Power Station, Transgrid is on the frontline of making profound changes to maintain system strength and ensure the safe and secure operation of the power system.
- Fostering the clean energy workforce of the future The shift to a clean energy future isn't just about changing how we generate electricity—it's also about creating job opportunities, upskilling our workforce, and strengthening our regional economy.
- What are Renewable Energy Zones (REZs) and why are they important for our sustainable future? Learn about the pivotal role of Renewable Energy Zones (REZ) in reshaping NSW’s energy landscape, and explore how Transgrid is at the forefront of this effort.
- How upskilling Australians could be the gamechanger in accelerating our clean energy transition We explore the skill challenges in clean energy industries, the government's initiatives to address the shortage, the benefits of investing in clean energy skills, and Transgrid's commitment to creating job opportunities in the renewable energy sector.
Projects &
innovation
- EnergyConnect EnergyConnect is a critical project that will lower power bills for homes and businesses.
- HumeLink A new 500kV transmission line will carry electricity to customers from new generation sources.
- Victoria to NSW Interconnector West VNI West is a core component and priority project in AEMO’s 2022 ISP, which confirms the need for short- and longer-term investment to increase the transfer capacity between the states.
- Mount Piper to Wallerawang Transmission Line Upgrade Project Strengthening the grid to deliver affordable, reliable and clean energy to customers.
- Wallgrove Grid Battery A 50MW/75MWh lithium ion battery will be installed at Transgrid’s Wallgrove substation in Western Sydney.
- Queensland-NSW Interconnector The interconnector upgrade will boost interstate power flows and lower energy bills.
- Powering Sydney's Future Powering Sydney's Future secures the electricity supply for Sydney’s CBD and surrounding suburbs.
- Network solutions Learn about our other projects which secure ongoing supply for energy customers.
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HumeLink
Route investigations, options and refinements

Route investigations, options and refinements

Document

What We Heard Report (Interactive Map)

PDF 1.42 MB

Last Modified: Tue 27 Feb 2024

Document

Humelink route selection fact sheet

PDF 717.95 KB

Last Modified: Tue 27 Feb 2024

Document

HumeLink route refinement decisions March 2022

PDF 692.18 KB

Last Modified: Tue 27 Feb 2024

Document

Tumut area route refinement decision March 2022

PDF 509.04 KB

Last Modified: Tue 27 Feb 2024

Document

Bannaby route refinement decision March 2022

PDF 555.88 KB

Last Modified: Tue 27 Feb 2024

Document

Pejar Dam route refinement decision March 2022

PDF 417.78 KB

Last Modified: Tue 27 Feb 2024

Document

Green Hills route refinement decision March 2022

PDF 553.47 KB

Last Modified: Tue 27 Feb 2024

Document

GHD route options assessment report and factsheet

PDF 103.93 KB

Last Modified: Tue 27 Feb 2024

Document

GHD route options assessment report

PDF 1.37 MB

Last Modified: Tue 27 Feb 2024

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Transgrid acknowledges Aboriginal and Torres Strait Islander peoples as the Traditional Custodians of the lands on which we work and we pay our respect to their Elders past and present.