On July 28, the 2021 held a regular press conference in Beijing to announce the energy and economic situation in the first half of the year, renewable energy grid connection, and to introduce the situation of the National Energy Administration's power flood prevention and relief work and summer peak weather, interpretation of "on accelerating the development of new energy storage guidance, " and answer questions from reporters. Energy Supply and demand overall in a tight balance. At the meeting, Li Fulong, director of the Development Planning Department of the National Energy Administration, said that energy supply and demand in the first half of the year were in a tight balance. Since the beginning of this year, the highest electricity load in China has hit a record high for six months in a row. Some regions have adopted orderly measures to use electricity. Coal supply is tight and prices are high and volatile. Faced with the fast-growing energy demand, the National Energy Administration organized relevant enterprises to make every effort to ensure a safe and stable energy supply. The output of major energy varieties continued to increase, and the supply capacity was further enhanced. In the area of clean and low-carbon transition, the national energy administration has continued to promote the adoption of renewable energy, issuing the 2021 on the responsibility and weight of renewable energy and electricity consumption and related matters, and the Comprehensive Regulatory Work Program on the adoption of clean energy, in the first half of the year, the cumulative generation of hydropower, nuclear, wind and solar power increased by 10.2 percent year-on-year. At the same time, we will continue to push forward the construction of major clean energy projects, put into operation the first units of the Baihetan Dam, and electric generator the world's largest single turbine with a capacity of 1 million kilowatts, achieving a major breakthrough in the manufacture of high-end equipment in our country; All Wudongde Dam units have been put into operation for power generation; unit 5 of Fuqing Nuclear Power Station, unit 6 of Tin Wan Nuclear Power Station, units 7 and 8 and units 3 and 4 of Xudapu nuclear power station, construction of Changjiang small reactor in Hainan approved.

The scale of renewable energy installation has been steadily expanding. Wang Dapeng, deputy director of the Department of New and renewable energy, gave a brief account of China's renewable energy development in the first half of 2021. The scale of renewable energy installation has been steadily expanded. By the end of 2021, the country had installed 971 gigawatts of renewable power. Of this total, 378 million kilowatts are installed for hydropower (32.14 million kilowatts of pumped storage capacity) , 292 million kilowatts for wind power, 268 million kilowatts for photovoltaic power and 33.19 million kilowatts for biomass power. Renewable power generation continues to grow. Between 2021 and June, the country generated 1.06 trillion kwh of renewable energy. Of this total, 482.67 billion kwh of hydropower of a scale or above, up 1.4 percent year on year; 344.18 billion kwh of wind power, up about 44.6 percent year on year; 157.64 Billion Kwh of photovoltaic power, up about 23.4 percent year on year; and 77.95 billion kwh of biomass power, about 26.6 per cent year-on-year growth. Renewable Energy to maintain high utilization level. From January to June, China's main river basins wasted 5.364 billion kwh of water and electricity, and the utilization rate of water energy was 98.43% , 0.07 percentage point higher than that of the same period last year, the average utilization rate was 97.9 percent, up 0.07 percentage points compared with the same period last year. Hydropower Construction and operation. Between January and June, the country added 7.69 million kilowatts of hydropower capacity to the grid. By the end of June this year, the country's installed hydropower capacity was about 378 million kilowatts, of which 32.14 million kilowatts were pumped. Positive progress was made in the construction of major hydropower projects. The first units of the Baihetan Dam were put into operation safely and on time on June 28. The total installed capacity of the power station is 16 million kilowatts, making it the largest and most technically difficult hydropower project under construction in the world today and the second largest hydropower station in the world after its completion, the single unit capacity of the power station is 100 million kilowatts, which is the first in the world. The fully domestic water wheel electric generator designed and manufactured by our country has filled the technical gap of the world's hydropower. As of July 28, four units have been put into operation to generate electricity The entire Wudongde Dam unit went into production in 2021; the Lianghekou Dam is expected to start production in September. Between January and June, the country's hydropower generating capacity reached 482.67 billion kwh, up 1.4 percent from the same period last year. The national average utilization hours of hydropower are 1,496 hours, down 33 hours from the same period last year. From January to June, the amount of abandoned water and electricity in the country's major river basins was about 5.364 billion kwh, a decrease of 417 million kwh compared with the same period last year. The utilization rate of water energy was about 98.43% , an increase of 0.07 percentage points compared with the same period last year. The waste water mainly occurred in Henan and Sichuan provinces, and the 3.372 billion kwh of electricity generated by the waste water in Henan Province mainly occurred in Xiaolangdi Dam, mainly because the power plant buildings were flooded in March and the power generation was not resumed until June The amount of wasted water and electricity in Sichuan Province is 1.160 billion kwh, which is 2.517 billion kwh less than that in the same period last year. Construction and operation of photovoltaic power generation. From January to June, the country added 13.01 million kilowatts of photovoltaic power, of which 5.36 million kilowatts of photovoltaic power stations and 7.65 million kilowatts of distributed photovoltaic power. By the end of 2021,268 million kilowatts of photovoltaic power had been installed. In terms of new installation layout, the regions with the highest installed capacity are north China, east China and central China, accounting for 44% , 22% and 14% of the newly installed capacity respectively. From January to June, the country's photovoltaic generation amounted to 157.64 billion kwh, up 23.4 percent year on year; the number of hours utilized was 660, down 3 hours year on year; the areas with the highest utilization hours were 790 hours in northeast China and 652 hours in north China, of these, 868 were in Jilin, 868 in Heilongjiang and 875 in Sichuan. From January to June, the country abandoned about 3.32 billion kwh of photovoltaic energy, with the abandonment rate of 2.1% , down 0.07 percentage points from the same period last year. In northwest China and north China, the rejection rates of PV are 4.9% and 2% , respectively, which are 0.3 and 0.5 percentage points lower than those in the same period. Construction and operation of biomass power generation. From January to June, 2021 added 3.674 million kilowatts of biomass power generation, bringing the total installed capacity to 33.193 million kilowatts and 77.95 billion kilowatt hours of biomass power generation. The top five provinces are Shandong, Guangdong, Zhejiang, Jiangsu and Anhui, with 3.706 million kilowatts, 3.17 million kilowatts, 2.745 million kilowatts, 2.517 million kilowatts and 2.302 million kilowatts respectively The top five newly installed provinces were Hebei, Guangdong, Zhejiang, Sichuan and Henan, with 439,000 kilowatts, 345,344,284,000 kilowatts and 262,000 kilowatts, respectively The top six provinces are Guangdong, Shandong, Zhejiang, Jiangsu, Anhui and Henan, with 9.77 billion kwh, 9.07 billion kwh, 6.92 billion kwh, 6.54 billion kwh and 5.60 billion kwh, respectively. With the rapid development of new energy storage and the steady expansion of the installed scale of renewable energy, the development of new energy storage in China is also rapid. At the meeting, Liu Yafang, the second-level inspector of the Department of Energy Conservation and scientific and technological equipment, said that the new energy storage technology is in addition to pumped storage, with electricity as the main form of energy storage output. The new type of energy storage has the characteristics of breaking through the limitation of time and space of traditional power supply and demand, precise control and quick response. It is one of the key technologies to deal with the intermittence and fluctuation of new energy sources, and has the advantages of flexible location and layout, etc. , therefore, it is imperative to speed up the development of new energy storage on a large scale. In order to ensure a smooth start of carbon-neutral work, we should firmly grasp the strategic window of the "14th five-year plan" , speed up the introduction of top-level planning, improve the policy system and market environment, and create conditions for accelerating technological iteration, large-scale development of new energy storage. In order to promote the rapid development of new energy storage, support the construction of new electric power system with new energy as the main body, and promote the realization of carbon peak carbon neutral target, the National Development and Reform Commission and the National Energy Administration recently jointly issued the guiding opinions on accelerating the development of New Energy Storage (hereinafter referred to as the guiding opinions) . The general requirements of the guiding opinions are as follows: First, in the guiding ideology, the functional orientation of the new energy storage under the goal of carbon peak carbon neutralization is clearly defined, and the new energy storage is proposed to enhance the regulation capacity, comprehensive efficiency and safety guarantee capacity of the energy and power system, important measures to support the construction of new power system. Second, the basic principles of scientific development, with technological innovation as the driving force, policy environment as the guarantee, market mechanism as the basis, and security as the bottom line, clearly define overall planning, diversified development, innovation-led and scale-driven, the four development principles of policy-driven, market-oriented, standardized management and security guarantee. Third, the main goal is to adhere to the concept of phased, hierarchical development, "14th five-year plan" period focus on high-quality large-scale development, anchoring 30 million kilowatts as the basic scale goal, taking into account technological, cost and other advances; "The tenth five-year Plan" period to achieve comprehensive market-oriented development, to meet the new power system demand, support carbon peak carbon neutralization as the goal, leaving sufficient space for expectations. 

Source: Battery Grid