Maragle – Snowy Line is a 330kV overhead line with a length of 10km from Maragle Switching Station, Snowy Mountains, New South Wales, Australia, to Snowy 2.0 pumped-hydro project, New South Wales, Australia.

The project, which is currently under construction, is expected to be commissioned in 2021.


Maragle – Snowy Line is an overhead line that will be operated by TransGrid. The line will carry alternating current (AC).

The development of the Maragle – Snowy Line project has been approved by the Australian Energy Regulator.

Maragle – Snowy Line project development status

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By GlobalData

The construction works on the Maragle – Snowy Line project were commenced in 2020 and commissioning is expected in 2021.

Contractors involved

UGL was appointed by TransGrid to undertake the construction works on the Maragle – Snowy Line project.

About TransGrid

TransGrid (TransGrid), is a provider of electricity network and solutions. The company offers infrastructure services which include feasibility and estimation studies, option analysis, grid connection for new generators, asset redevelopment and consultation services; and telecommunication transmission services. It also provides connections and modifications, network planning, demand management and co-location services. The company supplies power through a network of high voltage overhead transmission lines, underground cables, switching stations and transmission structures.


All publicly-announced T&D Line & Substation projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects is sourced through secondary information sources such as country specific utility players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.