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January 28, 2011

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Super electricity lines to power city

SHANGHAI will have 30 percent of its power supplied via ultra-high voltage lines by 2015, a leading electricity company said yesterday.

East China Grid Co, a unit of State Grid of China, said its workers are laying lines in Shanghai which will connect directly to the Xiangjiaba-Shanghai line.

The transmission line, which started commercial operations in July 2010, had carried a total of 2.31 billion kilowatt hours of electricity to Shanghai by the end of December.

The link transmits power from the Xiangjiaba hydro plant in the southwest Sichuan Province to Shanghai, about 2,000 kilometers away.

UHV lines are more efficient, allowing heavy electricity flows with lower loss.


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