Clean Energy Link (SWIS)
The State Government is delivering its vision to make Western Australia a renewable energy powerhouse. As part of this, our main electricity network, the South West Interconnected System (SWIS), is changing. The Clean Energy Link transmission projects will connect the new renewable generation, energy storage and industrial load projects we need to retire coal, embrace renewables and build a stronger, more diversified economy.
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Project already under construction - Clean Energy Link - North
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Toward developing local transmission component manufacturing in WA
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Individual transmission poles required as part of Phase Two Clean Energy Link projects
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Invested in Clean Energy Link transmission projects so far
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The SWIS Transmission Plan
The SWIS Transmission Plan is our roadmap for building a future-ready network in our main electricity system. As we move to retire all State-owned coal power plants by 2030, the Plan outlines the new transmission links required to connect the renewable projects needed to keep our energy reliable and affordable while powering our growing economy. Developed by Energy Policy WA with support from PoweringWA and Western Power, it builds on the extensive modelling and system planning carried out in the Whole of System Plan 2020, the SWIS Demand Assessment: 2023 to 2024 and the SWIS Planning Update. By shaping the future network build around the needs of industry, decarbonisation goals and economic growth, the Plan ensures transmission infrastructure delivers real benefits to our communities, households and businesses.
Planning and phasing
Phase One: 2025 - 2030
Phase One Clean Energy Link projects will connect the new energy generation we need as we retire the remaining State-owned coal power plants on the SWIS. This will ensure growing electricity demand is met with cleaner energy and power the industries we need to drive a stronger, more diverse economy – now, and well into the future.
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Project Focus: Clean Energy Link – North
In mid-2025, Western Power commenced construction on Clean Energy Link - North. Supported by $1.2 billion in funding, the project is strengthening the network through Perth’s northern suburbs and the Wheatbelt to increase the flow of clean energy between Perth and the Mid West region.
The project will upgrade the current mix of 132 and 330 kilovolt transmission infrastructure in the northern part of the network. This includes upgrading existing lines between Northern Terminal in Malaga and Three Springs to support the connection of future renewable generation projects and fully unlock existing wind energy generation in the Mid West. More than 400 jobs will be created over the course of the project's construction.
These upgrades represent a big leap in network capability. The project will allow around 400 megawatts of existing wind energy, and up to 1 gigawatt of new renewable generation, to connect to the SWIS - providing enough clean energy to power hundreds of thousands of WA homes and businesses. Clean Energy Link - North is on schedule to be delivered by the end of 2027.