Electricity Construction Industry Statistical Analysis Report

The “Statistical Analysis Report on the Electric Power Construction Industry in 2012” (hereinafter referred to as the “Analysis Report”), which was completed by the China Electric Power Construction Enterprises Association (referred to as “China Power Construction Association”), was officially released recently.

This analysis report summarizes the glorious achievements made in China's power industry reform in the past ten years, combines the development trend of the power industry during the “Twelfth Five-Year Plan”, starts from the basic conditions of the power construction industry, and uses the annual report of the 2012 power construction enterprise statistics. Statistics on various economic and technical indicators and relevant departments adopt quantitative and qualitative methods to analyze statistical information and comprehensively reflect the current status, existing problems and development trends of the current state of power construction, supervision, and commissioning of electric power construction enterprises. For this reason, the reporter interprets the key content of the analysis report in order to readers.

In the past decade, China's electric power construction has achieved rapid development with remarkable achievements. Among them, the rapid growth of power generation installed capacity, the rapid development of power grids, power supply structure adjustments have been continuously optimized, the level of technology and equipment has been greatly improved, energy saving and emission reduction has achieved significant results, and power construction has achieved a leap-forward development. This has provided a strong impetus for the stable and rapid economic and social development of our country and has played an important role in supporting and safeguarding the people’s lives.

Power Construction:

Clean energy share rose to 28.4%

"As of the end of 2012, China's power generation capacity reached 1.145 billion kilowatts, and it is expected that by 2013, the installed capacity will exceed that of the United States, ranking first in the world." The analysis report of the CEC pointed out that since the start of the "Eleventh Five-Year Plan" in 2006, In the first two years of the "Twelfth Five-Year Plan" period, China's power generation installed capacity grew rapidly. In 2002, this indicator data was only 357 million kilowatts.

As of the end of 2012, China’s installed thermal power capacity was 819 million kW. After hydropower installed capacity exceeded 100 million kilowatts in 2004 and ranked first in the world, by the end of 2012, the total installed capacity had exceeded 249 million kilowatts; nuclear power installed capacity was 12.57 million kilowatts, and 32 were under construction. Taiwan, with a capacity of 33.97 million kilowatts, accounts for more than 40% of the world's nuclear power projects under construction; wind power installed capacity increased from 400,000 kilowatts in 2002 to 60.83 million kilowatts in 2012. At present, China is the largest wind power country in the world with the scale of grid connection. Photovoltaic power generation capacity increased from the basic gap in 2002 to 3.28 million kilowatts in 2012; a 100 million-kilowatt cogeneration project was completed, which improved the heating conditions of more than 70 million urban residents.

It is worth noting that while the installed capacity continues to grow, China’s power structure is quietly changing. Statistics show that the total installed capacity of clean energy such as hydropower, nuclear power, wind power and solar energy in China was only 90 million kilowatts in 2002. By 2012, the installed capacity of clean energy has reached 326 million kilowatts, which has increased to 28.4 percent of the installed capacity of full-caliber power generation. %, an increase of 0.8 percentage points over 2011.

The analysis report pointed out that continuous optimization of the power structure has injected new hope and vitality for the sustainable development of the entire industry.

Grid construction:

The rapid development of smart grids from 2006 to 2012 is an important stage for the rapid development of China's power grid construction.

According to statistics from the analysis report, as of the end of 2012, the loop length of the 220 kilovolt and above transmission line in China reached 507,000 km, and the capacity of transformer equipment reached 2.28 billion kVA. The grid scale was continuously ranked first in the world.

In this process, the smart grid has become the key to grid development. Today, smart grids have become the basis and an important part of the development of industrialized, informatized society. Under the current economic development trend, the traditional power grid is no longer able to meet the needs of the power industry, and the smart grid has become the development direction of China's power grid construction in the future.

“In recent years, the smart grid construction has been rapidly advancing, and the intelligent application of electric power has been comprehensively upgraded. The commissioning of the AC/DC pilot demonstration project marks China’s UHV AC/DC power transmission reaching a commanding height in the world’s UHV transmission technology field.” With the continuous advancement of market-oriented reforms, the smart grid has become the only way for the development of modern grid technology. It can be said that the development prospect of China's smart grid is excellent.

Technological innovation:

From "Made in China" to "Leading in China"

In the ten years, the pace of independent innovation in the power industry has been markedly accelerated, and the remarkable improvement in the level of technological innovation has become the most profound internal change in the power industry.

As the absolute main force in the field of power generation in China, the thermal power industry depends on scientific and technological strength to substantially increase development efficiency and quality. Among them, there are 54 million-kilowatt ultra-supercritical coal-fired generating units, which have become the world's largest number of countries.

In terms of hydropower construction, relying on the Three Gorges Project, China's 700,000-kilowatt turbine units will be domestically produced. It is worth mentioning that on November 5, 2012, the world’s first single turbine capacity of 800,000 kilowatts was put into operation at the Xiangjiaba hydropower station on the Jinsha River, indicating that China’s hydropower technology is at the forefront of the world.

In terms of nuclear power technology, China's AP1000 nuclear power unit, which was built using the third-generation nuclear power technology, entered the main construction phase. Nuclear power plant construction is at the leading level in the world. The fourth-generation advanced nuclear power system technology has achieved major breakthroughs.

The localization rate of power equipment in China continues to increase, and the level of power equipment and manufacturing capabilities have entered a new stage of development.

In recent years, China’s power grid construction field is based on independent scientific and technological innovation. The long-distance large-capacity transmission capacity and power supply reliability of power grids have been rapidly improved. UHV technology has achieved a series of major breakthroughs, achieving “Made in China” and “China Leading” in the world of electrical engineering. ".

Energy conservation:

The standard coal consumption decreased by 57 grams in 10 years. According to statistics, as of 2012, China has shut down a total of 83.36 million kilowatts of small thermal power units, which has advanced and exceeded the national target for shutting down small thermal power units. At present, the average stand-alone capacity of thermal power in the country has increased from 53,000 kilowatts in 2002 to 114,000 kilowatts in 2011.

In the ten years, the power industry has continued to promote technological innovation and innovation, and has continued to reduce its major energy consumption targets. In 2002, the national standard for coal-fired power generation of 6000 kW and above was 383 g/kWh, which fell to 326 g/kWh in 2012, a year-on-year drop of 57 g/kWh, and energy conversion efficiency continued to increase.

In 2002, the comprehensive power line loss rate of the national power grid was 7.52%, and it was reduced to 6.62% in 2012, ranking the national advanced level with the same power load density conditions. The national power plant electricity rate was 6.15%, and it fell to 5.39% in 2011.

In addition, China's first million kilowatt-class air-cooled units put into operation, marking the application level of millions of kilowatts of ultra-supercritical air-cooled units in China to a new level.

In the development and application of clean coal technology, the application of carbon capture and storage technology, and the application of large-scale circulating fluidized bed boilers, China has achieved remarkable results.

By the end of 2012, China has put into operation desulfurization unit capacity of 630 million kilowatts, accounting for 89% of the coal power unit capacity, an increase of 86% over 2002, has been put into operation of circulating fluidized bed boiler unit about 90 million kilowatts. In 2011, the national unit of sulfur dioxide emissions from thermal power generation was 2.3 g/kWh, which was 3.8 g/kWh lower than in 2002, a decrease of 62.3%. At present, China has put into operation flue gas denitrification unit capacity of 140 million kilowatts, accounting for about 18% of the capacity of thermal power units.