ABB joint winner of engineering award for the world’s longest underground power line

2003-09-02 - Murraylink project in Australia uses ABB’s HVDC Light technology

Zurich, Switzerland, September 2, 2003 – The Murraylink Transmission Company, which comprises ABB, KBR and PIHA Australia, has won a second prestigious award for the Murraylink interconnector in Australia, the world’s longest underground power transmission line.

The Engineering South Australia Award 2003 was handed to the Murraylink Transmission Company in Adelaide, Australia, at the end of August.

The project has already won the 2002 Case EARTH Award for Environmental Excellence for best practice and innovation in the environmental management of civil construction projects.

Murraylink, which was commissioned in October 2002, minimizes environmental, aesthetic and land impact.

The 177-kilometer transmission line uses ABB’s unique HVDC Light technology to increase the capacity and reliability of South Australia’s electricity supply system.

“The award is further confirmation of the value of our HVDC Light technology,” says Peter Smits, head of ABB’s Power Technologies division.

“Grid stability and security are higher on the agenda after recent electricity blackouts. With HVDC, ABB is providing grid operators with solutions to a widely recognized challenge.”

Murraylink added about 220 MW of energy supply to the South Australia system - enough to meet the electricity needs of around 120,000 households. It stabilizes the network during normal operation and reduces the risk of faults.

Due to its robust technology, HVDC Light systems cannot be overloaded and are not exposed to the risk of cascade tripping.

ABB ( is a leader in power and automation technologies that enable utility and industry customers to improve performance while lowering environmental impact. The ABB Group of companies operates in around 100 countries and employs about 133,000 people.

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    ABB's HVDC Light technology enables "invisible power transmission". The power cables are laid underground.

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