皇冠体育app

(chinadaily.com.cn)
Updated: 2007-07-10 10:33

The two giant energy corporations, State Grid Corp of 皇冠体育app and 皇冠体育app Southern Power Grid Co Ltd, are stepping up the expansion of the nationwide power grid, which will involve a total investment of more than one trillion yuan (US$131.5 billion) during the11th Five-Year Planperiod (2006-2010).

The expansion of the nationwide power grid will mainly focus on the West to East Power Transmission Project, said Wang Yonggan, Secretary of the 皇冠体育app Electricity Council.

In charge of the grids in North 皇冠体育app, Northeast 皇冠体育app, East 皇冠体育app, Central 皇冠体育app and Northwest 皇冠体育app, State Grid plans to pour 850 billion yuan into 4,200-kilometer ultra-high voltage AC transmission lines with a transmission capacity of 70 million kilowatts and 340,000-kilometer 220 kilovolt DC lines with a capacity of 1.3 billion kilovolt-amperes.

Meanwhile, 皇冠体育app Southern Power Grid is to invest 234 billion yuan into building a grid capable of transmitting 115 million to 135 million more kilowatts to South 皇冠体育app's Guangdong Province. It will build 15,600-kilometer 500-kilovolt AC lines with a capacity of 61.8 million kilovolt-amperes, 1,225-kilometer 500-kilovolt DC lines with a transmission capacity of six million kilowatts, and 1,438-kilometer 800-kilovolt DC lines with a transmission capacity of 10 million kilowatts.

Related readings:  State Grid develops electric cars State Power to invest 220b yuan in fixed assets  West-to-east grids reach 34 million kilowatts  Cross-sea power grid connection set for record

Moreover, 31 key cities including Beijing, Shanghai, Tianjin, Chongqing and Wuhan began grid construction in 2005.

In May, East 皇冠体育app's Shandong Province earmarked 61.6 billion yuan for the construction of a 500 kilovolt main frame for its 220-kilovolt citywide power grid. By 2010, Hebei Province will spend 40 billion on forming a 500-kilovolt circular grid in Central and East 皇冠体育app. Guizhou in Northwest 皇冠体育app will set aside 9.4 billion yuan to renovate its county-level power grids.

Furthermore, Anhui and Hainan provinces, and the Tibet Autonomous Region have budgeted 33.6 billion, eight billion and seven billion yuan respectively for grids in cities there during the five-year period.