ABB Completes World's Longest, Most Powerful High Capacity Transmission Link (A Year Ahead of Schedule)

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ABB completed another major milestone with the commissioning of the world's longest and most powerful transmission link in commercial operation. The 1,240-mile ultrahigh-voltage direct current (UHVDC) transmission line in southeastern China connects the Xiangjiaba hydropower plant to Shanghai, the country's leading industrial and commercial center. The line is capable of transmitting up to 7,200 MW and can serve up to 24 million people. The high-capacity line takes up less space than the existing system and line losses are less than 7%, substantially lower than the existing 500 kV system. ABB was the system designer and primary equipment provider to the State Grid Corporation of China. The project was finished one year ahead of schedule.

Quick Take: That's some impressive engineering and technology. It should be very useful in connecting remote power sources with major commercial and population centers, particularly as renewable energy sources are developed.

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