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China Network released the 13th Five-Year results: "network planning optimization for the East and west two special high-voltage power grid synchronization
2015-12-23

Source: 2015/12/23 15:06:32 of the Polaris power network


Polaris power network was informed that in December 18th, the national Power Grid Corp held a "13th Five-Year" power development planning study and seminars to the company introduced the "13th Five-Year" power development planning research, listen to opinions and suggestions.


It is reported that, according to the National Energy Bureau of the "13th Five-Year" energy electric power planning and overall deployment, the State Grid has completed the "national Power Grid Corp" 13th Five-Year "power grid development plan (proposal)" general report and 6 research report. The main research contents include: analysis and prediction of future power demand, proposed power installed arrangement and layout optimization, calculation of power flow direction and scale, study the national grid planning grid construction scheme, compared the safety and economy of the planning scheme, target network frame security level verification, adaptive measures and comprehensive benefit analysis control assessment.


Total 2 billion 70 million kilowatts of power supply installed in 2020


According to the study, the forecast of the power demand, overall, China is still in the stage of rapid development of urbanization, industrialization stage, synchronous growth of electric power demand and the economy, "13th Five-Year" according to the economic growth rate of 7% for the development of electric power is appropriate, and the electricity demand growth will be faster than the consumption growth rate, the status of the eastern and central regions as power the load center will remain unchanged for a long time.


In terms of power supply arrangement, the total amount of power supply installed in 2020 is estimated to be 2 billion 70 million kilowatts, compared with 700 million kW in 2014, and an annual increase of 120 million kilowatts. Among them, clean energy installed capacity of 820 million kilowatts, increased from 31.6% in 2014 to 39.3% in 2020, and the proportion of non fossil energy to primary energy consumption reached 15.5%, of which 89% of non fossil energy was converted to electricity.


In terms of power and electricity balance and power flow, the size of the 12 provinces (municipalities directly under the central government) in the East and central region is raised from the current 110 million kilowatts to 310 million kilowatts. The development of new energy and consumptive, expansion of the scope of the grid in the power grid link, improve the power supply flexibility in the link, the implementation of demand side response, increased demand for electricity in the link load.


The network will be optimized for the East and west two special high-voltage power grid synchronization


In the aspect of scientific planning of power grid layout, in the "13th Five-Year" national grid optimization for Western (Northwest Sichuan Tibet, East (+) + Chinese northeast China + Inner Mongolia) two UHV power grid, the formation of the sending and receiving ends of clear structure, AC and DC coordinated development pattern.

The national grid is the largest power grid connected to the world with new energy


In December 22nd, the State Grid revealed that the State Grid is the largest power grid connected to the world's current access to new energy.


As of November 2015, the total installed capacity of the new energy grid in China national power grid reached 146 million 260 thousand KW, accounting for 12.4% of the total installed capacity. In 1-11 months, the cumulative power generation of new energy was 231 billion 700 million kwh, accounting for 5.6% of the total power generation.


Its wind power installed capacity of 102 million 630 thousand kilowatts, an increase of 25% compared to the same year; 1-11 months, the cumulative generation of electricity generation increased by 19%. During the "12th Five-Year" period, its installed capacity of wind power increased by 29% annually, generating capacity increased by 29% annually, the installed capacity of solar power increased by 170% annually, and the power generation increased by 219% annually.


Wind power in 15 provinces "second power"


In 15 provinces, new energy has become the second largest power supply for the State Grid, of which 11 are in the "Three North" areas, the proportion of which is more than 10%. Mengxi, Gansu wind power installed capacity of more than 10 million kilowatts, Gansu, Xinjiang solar power generation capacity more than 5 million kilowatts. North Hebei, Gansu, Mongolia East, west of new energy installed more than 30%.

In 1-11 months of 2015, the amount of wind power generated by the national grid was 1583 hours, and it is expected to be 1800 hours a year. During the "12th Five-Year", there was a fluctuation between 1800-2046. Fujian, Tianjin, Shanghai, Mongolia is expected in 2015 annual wind power generation hours of 2000 hours or more. The operating level of wind power is basically equal to the advanced level of foreign countries.


In 1-11 months, the number of solar energy hours in the national grid was 1148 hours, and it was expected to be 1226 hours a year, and the annual average of 1295 hours in 12th Five-Year. Ningxia and Qinghai are expected to reach or exceed 1500 hours in 2015.


In 2015, the relevant government departments issued the "improve the power operation regulation to promote clean energy more full hair guidance", "development of renewable energy NDF pilot", "to carry out clean wind power heating work" and a series of policies to promote sustained and healthy development of clean energy. The national grid around the new energy grid construction, operation consumption, technological innovation and other aspects, the full protection of wind power, solar power and other new energy consumptive.


As of November 2015, the State Grid has invested 330 thousand yuan and below the new energy grid connected project to invest 28 billion 770 million yuan, and accumulative total of 330 thousand volts and the following new energy delivery lines 26226 kilometers. 201 new wind power projects have been added, 1366 new solar power projects are added, and 13376 new distributed PV projects are added.


New energy delivery projects have been built in succession

Recently, the national construction power grid has started construction of the national air pollution prevention and control action plan "four exchanges and four straight" UHV projects and the Jiuquan Hunan UHVDC project. At the same time, the construction of a number of new energy delivery projects in the province, Qinghai Haixi solar power base 750 thousand volt transmission channel series compensation project has been approved.