Jilin Power Construction Stretches to Take Off

The construction of power grids in Jilin Province experienced a period of arduous development from the total of 57 transmission lines, 252 transformers, and 480,509 kVA capacity from the 22 kV to 220 kV voltage level from the beginning of the founding of New China until 2010. A new era of ultra-high voltage power grids with backbone networks of 500 kilovolts and 220 kilovolts has been formed; power supply construction has also gradually embarked on the road to structural optimization. During the years of reincarnation, the pace of Jilin Electric Power Development has never stopped. Building a Strong Smart Grid Since the "Eleventh Five-Year Plan" period, Jilin Province has accelerated the construction of a unified and strong smart grid with a core of 500 kilovolts, striving to achieve comprehensive and coordinated development of power grids at all levels, accelerating the transformation of power grid development modes, and revitalizing the old industrial base in Jilin. Provide strong support.

As early as June 9, 2006, the State Grid Corporation of China signed a "Minutes on Jointly Promoting the Construction and Development of Power Grids in Jilin Province" with our province. On September 7, 2007, the two parties further exchanged opinions on accelerating the construction of Jilin Power Grid and determined that " During the Eleventh Five-Year Plan period, the investment in power grid construction in Jilin Province was 25.1 billion yuan; on October 10, 2007, the first 500-kilovolt transformer substation, Tonghua 500 kV substation independently invested by the provincial power company was successfully put into operation, and Jilin Province achieved rapid development. The economic train received another important energy guarantee; on December 28, 2008, the Songyuan 500 kV transmission and transformation project, known as the "Milestone Project of the Western Power Grid of Jilin Province," was successfully put into operation. The operation of this project has greatly promoted the rapid economic and social development in the western region of Jilin Province.

In 2009, Jilin Province actively cracked down the problems affecting and constraining the development of power grids, and contributed to the Songyuan Municipal Government’s establishment of a power grid development fund of 10 million yuan. It found a new way to fundamentally solve the problems in the early stage of power grid development and drove the full development of power grids. accelerate.

In 2010, the provincial power company signed an agreement with the local governments of Jilin and Siping to open the prelude to the construction and development of Jilin Power Grid during the “12th Five-Year Plan” period.

So far, the Provincial Power Company has signed cooperation agreements with 9 municipal (state) governments for the construction of electric vehicle charging facilities. The first multi-functional large-scale electric vehicle charging station integrating charging of electric vehicles, recycling of waste batteries, service and testing in the cold regions of northern China was also officially opened on August 25, 2010, which is the promotion and application of electric vehicles in Jilin Province. Smart grid construction provides strong technical support.

Today, on the vast land of Jilin, Jilin Power Grid, with a coordinated development of 500 kV backbone grids and grids at all levels, has begun to take shape. The power exchange capacity and the ability to optimize the allocation of resources have been significantly improved. The power supply capacity and operational reliability of the power grid have been significantly enhanced, and the footprint of intelligence has become increasingly clear.

By the end of 2010, Jilin Province had a total of 500 kV substations with a total capacity of 130.51 million kVA, a total length of 2451 km of 500 kV lines, a total of 71 220 kV public substations, and a total substation capacity of 15.113 million kilowatts. Volt-ampere, 8708 kilometers of 220 kV line, with a total installed capacity of 20,346,700 kilowatts. Of which: 4,271,500 kilowatts of hydropower, thermal power 13,755,100 kilowatts, wind power 2,208,800 kilowatts, which accounted for 20.99%, 67.59% and 10.86% of the total installed capacity respectively, and the power generation capacity was 65.822 billion kwh, which was a year-on-year increase of 20.25%.

Creating a Multi-Complementary Power Supply Today, the development of the electric power industry in Jilin Province is facing major opportunities. On the one hand, as the country implements a new round of rejuvenation of the northeast old industrial base and the development and opening of Changjitu is included in the national strategy, the economic development of the province has entered the fast lane. In particular, Jilin Province is in the stage of accelerated development of industrialization, urbanization, and agricultural modernization. The upgrading of industrial structure and consumption structure has great potential, and the economy will continue to maintain sustained and rapid growth. On the other hand, the strategy for sustainable development will have far-reaching consequences. The hydraulic resources in Jilin Province are mainly distributed in the Changbai Mountainous area in the east, and large and medium-sized power stations are available. Jilin Province has abundant wind energy resources. The theoretical wind energy reserves of 692 billion kWh/year have the characteristics of stable wind speed, small extreme maximum wind speed, low altitude, high air density and large exploitable area, and the conditions for the construction of large-scale wind farms; at the same time, the western part of Jilin Province Solar sunshine hours are relatively high, and most of the province's areas meet the annual sunshine hours of 2800-3000 hours, which is more suitable for the development of solar power.

During the “Twelfth Five-Year Plan” period, Jilin Province will continue to accelerate the construction of power grids and expand electricity demand. In accordance with the principle of developing a recycling economy, saving resources, and improving the efficiency of power generation, it will focus on the construction of large-scale wind power and urban cogeneration units; it will actively open up new electricity. Demand; Encourage the development of resources for comprehensive utilization of new and renewable energy sources such as power generation and wind power; promote the use of new technologies such as clean coal combustion; accelerate the construction of electric power infrastructure, strengthen the construction and transformation of urban and rural power grids, accelerate the pace of power grid construction, and promote electricity throughout the province The industry continues to grow rapidly and healthily.

The principle of power supply planning in Jilin Province is to optimize the development of thermal power, actively develop limited hydropower resources in the east, and promote the development of new energy. In the planning period, the province will initially form a multi-energy complementary power supply structure in the province.

Optimizing the structure and expanding the capacity of thermal power projects: During the “12th Five-Year Plan” period, it is planned to start construction of 2 sets of 300,000 kilowatts of Zhongdian Changchun Southeast thermal power plant, 2 sets of 300,000 kilowatts of Guoji Jilin Thermal Power Plant, and 1 set of 300,000 kilowatts of Huaneng Meihekou Comprehensive Utilization Thermal Power Plant. 1 80,000 kilowatts of cogeneration project, and Helong, Dehui, Songyuan back pressure unit project.

Hydropower Project: In 2011, the full-scale treatment project of Fengmian Dam began operation, with the planned addition of six 200,000 kilowatt units; during the “Twelfth Five-Year Plan” period, the construction of Dunhua Pumped Storage Power Station will commence and the Jilin Hongshi Pumped Storage Plant will be accelerated. The preliminary work of the power station and Tonghua pumped storage power station was to start the second pumped storage power station.

Nuclear Power Project: The Jisong Chisong Nuclear Power Project has a construction scale of 4 units of 1.25 million kilowatts and is currently undergoing preliminary preparations. During the “Twelfth Five-Year Plan” period, it will strive to start construction.

Wind Power Project: Jilin Province has abundant wind energy resources and is one of the 8 million-kilowatt wind power bases identified by the country. During the “Twelfth Five-Year Plan” period, it will actively and orderly develop the wind power industry, focusing on Baicheng, Songyuan, and Siping West, and promote the construction of 10 million kilowatts of wind power bases.

During the “Twelfth Five-Year Plan” period, the power grid of Jilin Province put into operation 220KV transformer capacity of 6.859 million kVA, and 220 kV transmission lines of 2502 kilometers. The local 220 kV power grid basically realizes a ring network centered on a 500 kV substation. Structures, or radial grid structures, to meet the needs of North-South transmission of Jilin Province's power grid and improve the reliability of power supply in each power supply area. The provincial power company will continue to comprehensively upgrade and optimize the power supply structure, comprehensively improve the level of intelligence in the power grid, comprehensively increase the level of power supply in rural power grids, comprehensively improve the efficiency of power grid operation, and promote the balanced development of three major clean energy wind power, hydropower, and nuclear power, and basically build a strong intelligent Jilin power grid. .

By 2015, Jilin Power Grid will add 6 new 500 kV substations, expand 2 new ones, add 500 kV substation capacity of 8.75 million kVA, build 500 kV line 1749 km, and add 220 kV substations. Capacity of 6.859 million kVA, the new 220 kV line 2502 kilometers; 66 kilowatts and the following new capacity of 8.45 million kVA, new 66 kV and the following lines 43524 kilometers.

Waves of sensation, Jilin people in the journey ahead, with high morale, enterprising spirit, pragmatic style, mind the overall situation, fulfill their duties, selfless dedication, achievements Jilin power grid gradually strong development Road and power construction structure optimization road, from one peak to another peak!

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