COLUMN-Super-grid: China masters long-distance power transmission: Kemp

miércoles 18 de junio de 2014 22:01 GYT

(John Kemp is a Reuters market analyst. The views expressed are his own)

By John Kemp

LONDON, June 19 (Reuters) - China's power engineers have become world leaders in ultra-high-voltage transmission systems connecting far-off power sources with cities hungry for electricity.

China already has seven ultra-high-voltage (UHV) lines in operation, more than any other country, carrying power over thousands of kilometres at around 800,000 or even 1 million volts.

In April, the government gave the go-ahead to build another line operating at 1 million volts between rural Anhui province and the cities of Nanjing and Shanghai.

The National Energy Administration, which is part of the powerful National Development and Reform Commission, the country's top economic regulator, has ambitious plans for as many as 12 inter-regional ultra-high-voltage transmission corridors spanning the country.

Most of the existing and planned transmission lines run broadly west to east and are intended to take power from western and central regions, where there are abundant hydro, coal, gas, solar and wind resources, to major industrial cities near the east coast.

With so many projects planned, State Grid Corp of China (SGCC) is looking forward to a "golden era" of UHV development at home and likens its UHV experience to a "golden business card" to help it win business overseas, according to a company release ("China enters a golden era of UHV development", May 16).