Yunnan power from west to east increase of over 10 years, 200 times
In just the past 2009 years, Yunnan, Guangdong send electricity to 23.98 billion kwh in 2000, sent to Guangdong, Yunnan Power consumption is only 113 million kwh, electricity consumption growth in 10 years sent more than 200 times. Implementation of the project from west to east, on the Yunnan-building to water-based Development of Electric Power to provide a broad market space and a strong driving force.
Send power: 10 elderly a much higher level
Yunnan is a region rich in hydropower resources, with approximately 100 million kilowatts of hydropower resources, ranking the second place, accounting for 25% of the amount can be developed. Abundant hydropower resources in Yunnan Province in recent years is accelerating construction of the power grid sent out a bridge wings. August 2000, Yunnan, Guangdong provincial government signed the "" cloud power to send Guangdong "Agreement", formally opened the prelude to the two sides together and win-win.
According to statistics, the second half of 2001, sent to Guangdong, Yunnan Power consumption is 1.356 billion kwh total. In 2002, after the establishment of South China Power Grid, Guangdong, Yunnan Power sent to 3.199 billion kwh in electricity delivery, up to 103 million kilowatts. In 2003, Yunnan, Guangdong power delivery throughout the year to reach 6.148 billion kwh, the maximum power reached 1.68 million kilowatts, cloud-scale power delivery and Guangdong on the basis of the agreement calls for scaled a new height.
Passage: climbing the world's highest level of voltage
Yun sent to Yunnan and Guangdong Power Grid to create a leap-forward development opportunities, relying on a large platform for the development of China Southern Power Grid, Yunnan road from west to east is also broader and broader.
10 years ago, Yunnan, Guangdong started to transport energy, the first step out of the clouds when the power to send Guangdong, Yunnan and the main network grid of only 220 kV voltage level, delivery channels and only 220 KV Lu (cloth leather )? days (Health Bridge) a return line. After integration into the South China Power Grid, in June 2003 with a total investment 1.795 billion yuan of the 500 kV power sent to the Guangdong project goes into production on schedule, Yunnan Power Grid was officially formed as the backbone of 500 kV, 220 kV, a new pattern-based network, network frame structure and transmission capacity has been strengthened, formed a 500 kV, then? horses line the main 220 KV Lu? Ma Double supplement to the East Corridor.
2008 end of the year, with a total investment of 5.16 billion yuan in Guangdong, Yunnan Power delivery channel will be completed in the South. Channel to send electricity into the cloud from Guangdong, the load of 330 million kw to 4.8 million kilowatts.
As 2009, the world's first a voltage rating of ± 800 kV HVDC transmission project in Yunnan floor, making transmission scale to 4.9 million kilowatts, and Yunnan from West to East basically reached the channel utilization of 100%.
"12 5" end: a main west to east
2010 year is the "Eleventh Five-Year" to wrap, the "Eleventh Five-Year Plan" period, the capacity of hydroelectric outgoing steady growth in electricity for delivery in 2007 the proportion of cloud about 20%, with the production Xiaowan After Delivery, clouds can increase the proportion of electricity sent from about 30%.
"12 5" period, the Yunnan Power Transmission new scale of 14.3 million kilowatts transmission, accounting for the scale of China Southern Power Grid, 83% new west to east. By then, the Yunnan Power Grid size to 22.1 million kilowatts from West to East, the formation of the "five cross on the Straight" Cloud Electric Delivery Channel, Yunnan Power Grid will become the main force of China Southern Power Grid in the west to east.
"12 5" In the future, Yunnan Power Grid's position in the West to East in the long-term stability. "12 5" and "13 5" during the production of hydroelectric development and will enter a concentrated period of time, this period will be a large surplus of hydroelectric outgoing period. It is estimated that in 2015, 2020 and 2030 in Yunnan hydropower (mainly large hydropower) the proportion of the total electric power capacity of up to 51%, 53% and 43%, 40% were over weight, large in Yunnan outgoing long-distance water will gradually become a "12 5" and medium to long term the main west to east China Southern Power Grid.
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