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  • The world's highest altitude photovoltaic project - Tibet Photovoltaic Power Station is officially connected to the grid to generate electricity
    The world's highest altitude photovoltaic project - Tibet Photovoltaic Power Station is officially connected to the grid to generate electricity
    February 22, 2024
    Two years ago, the world's highest altitude photovoltaic project - Tibet Caipeng Photovoltaic Power Station was officially connected to the grid to generate electricity. The Tibet Caipeng Photovoltaic Power Station is located on a plateau with an altitude range of 4,994 meters to 5,100 meters in Nedong District, Shannan City. Construction will begin in August 2023. The project location has abundant sunshine all year round and is one of the four high-quality photovoltaic power generation areas in Tibet. The daily temperature here is 2.5 degrees Celsius, and the temperature in December reaches more than 20 degrees below zero, and the oxygen content is only more than half of that in plain coastal areas. A little, a little more talk will lead to lack of oxygen, and the world's highest altitude photovoltaic project is connected to the grid to generate electricity in such a difficult environment. The daily power generation of Tibet Caipeng Photovoltaic Power Station can meet the daily electricity consumption of 4,000 families and can reduce carbon dioxide emissions by 92,000 tons, which is equivalent to planting 3.3 million trees on the Qinghai-Tibet Plateau. Photovoltaic panels can block part of the sunlight and reduce water evaporation from ground vegetation. At the same time, they can also make full use of the barren mountain slopes to generate photovoltaic power generation, alleviating local electricity shortages in winter. After being connected to the grid for power generation, there are still many yaks roaming and grazing leisurely under the solar panels. This combination of grazing and photovoltaic power generation is particularly suitable for plateau pastoral areas. Talatan, Gonghe County, Hainan Tibetan Autonomous Prefecture, Qinghai Province, China, was once a semi-desert grassland with desertified land accounting for 98.5% of the total land area. Not only was it deserted, it also seriously endangered the safety of the surrounding Yellow River ecological zone. However, as the country began to vigorously promote the development of the photovoltaic industry in Qinghai, the animal husbandry here has continued to develop, the ecology has gradually recovered, and the economy has further developed. In 2012, my country's first 10-million-kilowatt solar power generation base began construction in Talatan. Since its development, Talatan has built the Hainan Ecological Photovoltaic Park, the photovoltaic power generation park with the largest installed capacity in the world. According to statistics, 46 companies have settled in the park, with a total installed capacity of 15,730 megawatts, an average annual power generation of 10 billion kilowatt hours, an annual saving of 3.11 million tons of standard coal, and a reduction of 7.8 million tons of carbon dioxide emissions. You know, China is not only the largest producer of photovoltaics, but also a world-famous "infrastructure maniac".
  • The country's largest string energy storage power station is officially completed!
    The country's largest string energy storage power station is officially completed!
    February 02, 2024
    Recently, the Nangang user-side energy storage power station, the largest string energy storage system project in the country, officially completed completion acceptance. The power station uses a total of 306 200kW/402kWh liquid cooling system energy storage cabinets, with a full capacity of 61MW/123MWh. The implementation of this project not only broke the record for the user-side energy storage project with the largest single capacity in China, but also once again verified the excellent strength of Lingchu Yuneng in “large project development and large project delivery”. After the Nangang Energy Storage Power Station is put into operation, by charging and discharging twice a day, it can shift peaks and valleys by an average of about 240,000 kilowatt-hours per day. It can provide 1 billion kilowatt-hours of electricity throughout its life cycle and is expected to reduce carbon emissions by 1 million tons. It will play an important role in easing the regulatory pressure on regional power grids, improving Nangang's green electricity consumption and storage capabilities, and reducing energy usage costs. The biggest highlight of the Nangang energy storage power station project is the application of string energy storage systems. The so-called string energy storage system refers to the combination of multiple energy storage units into an energy storage system, which achieves optimal management and control of the energy storage system through intelligent control. It mainly includes energy storage equipment, intelligent controllers and management platforms. parts. As the energy storage system service provider of the Nangang project, we fully considered the project’s ultimate requirements for all aspects of performance indicators and based on the distributed energy storage system architecture, divided 306 200kW/402kWh liquid cooling system energy storage cabinets into 17 square arrays. Through innovative technologies such as battery module-level energy optimization, single-cell battery cluster energy control, and digital intelligent management, multi-dimensional values such as higher discharge, better investment, simplified operation and maintenance, safety and reliability are given to the power station throughout its life cycle.
  • Just now, another photovoltaic company announced the closure of its factory!
    Just now, another photovoltaic company announced the closure of its factory!
    January 23, 2024
    It is reported that on January 17, Meyer Burger, a Swiss-based photovoltaic module manufacturer, announced that it would close its solar module production base in Germany and said it would make a final decision by the end of February. It is understood that the module factory that Meyer Burger closed this time is the largest solar panels factory in Europe. The closure of the plant is a major blow to the photovoltaic manufacturing industry in Germany and Europe. Meyer Burger said in a statement, "Due to the deteriorating European market environment, it is currently unsustainable to continue full-scale European solar manufacturing. Unfortunately, part of the plan will begin to close in Frei, Germany, as early as April 2024." Berg has one of the largest operating solar module production sites in Europe, affecting around 500 people.” Meyer Burger said its cell production site at its Thalheim plant in Germany will continue to produce solar cells to support its U.S. module production operations. Gunter Erfurt, CEO of Meyer Burger, said: "The expansion of our U.S. operations is currently proceeding as planned, with start-up at our solar module production site in Goodyear, Arizona expected in the second quarter of 2024." Previously, Meyer Burger had planned to add approximately 3GW of production capacity in Germany by the end of 2024, including Freiberg's 1.4GW soalr panels production capacity. In addition, on July 18, 2023, Meyer Burger also announced that it will build a 3.5GW factory in Spain
  • Czech Republic adds 970MWp solar PV plants to grid in 2023
    Czech Republic adds 970MWp solar PV plants to grid in 2023
    January 17, 2024
    Czechia recorded a significant increase in installed solar capacity last year, with about 970MWp of capacity added to the grid. However, the growth was mainly driven by household rooftop solar, according to the Czech Solar Association. Last year, a total of 82,799 solar power plants were connected to the grid in Czechia, with a total installed capacity of 970.1MWp, representing a 236% increase from 2022’s 289.1MWp. The number of solar power plants increased by 145%, from 49,000 in 2022 to 82,799 in 2023. Of the new solar power plants, 80,069 (96.7%) were from household rooftops, with a total output of 823.3MWp. The average size of domestic PV plants was 10.3kWp last year, up from 6.7kWp in 2022. 92% of families chose a solution combined with battery storage with an average capacity of 12kWh, up from 11.7kWh in 2022.  The Czech Solar Association said the driver of residential sector growth was the New Green Savings programme. According to the Czech government, the programme aims to achieve energy savings in final consumption, with measurement including the development of solar PV systems. In contrast, there were only 2,730 company and land-based solar PV plants added last year, with a total output of about 140MWp. Among these solar PV plants, 25 boasted a capacity of over 1MWp. “The growth was driven by rooftop power plants for family homes or companies. However, if we want to use the potential of solar energy in the Czech Republic and, above all, to prepare for the shutdown of coal-fired power plants earlier than expected, we must increase the construction of solar parks,” said Jan Krčmář, director of the Czech Solar Association. Moreover, the total output of all solar power PV plants in Czechia last year reached almost 3.5GW. In total, more than 170,000 solar power plants were connected to the grid, of which more than 150,000 were on the roofs of family houses. Moving forward, the Czech Solar Association said it expects more investors to build larger solar PV plants, subsidised by the European Commission’s Modernisation Fund. The fund focuses on several areas, including the generation and use of energy from renewable sources.
  • Ocean photovoltaic is about to explode in 2024!
    Ocean photovoltaic is about to explode in 2024!
    January 10, 2024
    In early November 2023, the world's largest Ocean photovoltaic project-Shandong Dongying Kenli 1 million kilowatt offshore photovoltaic project has officially started construction. The project is located in the waters of Laizhou Bay, Dongying City. After completion, the annual power generation is expected to be 1.78 billion kilowatt hours. On December 26, my country's first large-scale ocean pile-based fixed offshore photovoltaic project, China General Nuclear Power Group Co., Ltd. Yantai Zhaoyuan 400 MW offshore photovoltaic project, also officially started construction. The project is also located in the waters of Laizhou Bay, with a total planned area of approximately 6.44 square kilometers, and consists of 121 photovoltaic sub-arrays. It is the deepest, most difficult to construct, and the most complex development condition among the first ten offshore photovoltaic project sites in Shandong Province. of site. After completion, the average annual power generation is expected to be 690 million kilowatt hours.   However, moving from "land photovoltaic" to "ocean photovoltaic" is far more than just "moving" photovoltaic power plants from land to sea. Experts said that currently there are challenges in all stages of offshore photovoltaic projects such as preliminary procedures, project construction, and later operation and maintenance management. Especially in terms of equipment and construction, there are many challenges. At present, there are two types of floating photovoltaics, one is the fixed type on pile foundation and the other is the floating type on the sea. Large-scale ocean photovoltaic projects are currently mainly based on fixed pile foundations on coastal beaches or intertidal zones. Use a pile driver to drive reinforced concrete pipe piles with a diameter of 30-50 cm into the water, similar to foundations, and then install corrosion-resistant metal photovoltaic brackets on the piles. Since pile driving can only be carried out within a water depth of 5 meters, where there are no geological hazards and small water level changes, pile-based fixed power stations can usually only be installed on tidal flats and intertidal zones. In the long run, stationary applications have limited scope. The country's largest coastal tidal fishery and light complementary photovoltaic project, which will be put into operation in 2021, the Xiangshan Changtu tidal flat project is located in the tidal flat area of Xiangshan County. It has 630,000 photovoltaic panels and generates an annual power generation of up to 350 million KW. The construction of pile-based photovoltaics is quite difficult. Because the tidal flat area is covered with ocean at high tide and filled with mud at low tide, transport ships often run aground halfway. The seemingly simple transportation of pipe piles is actually very difficult. In addition, because tidal flat photovoltaics are located at sea, the environment is humid and salty, and the metal supports are easily corrod...
  • Charge 200,000 kWh in one hour! Shared energy storage is hot! Help enterprises significantly reduce electricity costs
    Charge 200,000 kWh in one hour! Shared energy storage is hot! Help enterprises significantly reduce electricity costs
    January 04, 2024
    Since the beginning of this year, new wind power and solar energy projects have been launched across the country, and the energy storage market has exploded. As an emerging energy storage station operation model, shared energy storage has received more and more attention. A large number of shared energy storage stations have been built in Guizhou, Zhejiang, Jiangsu and other places. In Yangkou Town, Nantong City, Jiangsu Province, next to the wind power and photovoltaic project are rows of shared energy storage power stations composed of white energy storage cabins. The person in charge said that this project was connected to the grid on November 29, with an investment of more than 790 million yuan. The excess electricity generated by multiple surrounding wind power and photovoltaic power stations can be stored to provide power to residential areas or industrial enterprises. Shang Sen, the person in charge of the operation and management of a shared energy storage power station in Nantong, Jiangsu: In terms of scale, it is currently the largest large-scale shared energy storage power station in East China. Our configuration is 200,000 kilowatts and 400,000 kilowatt hours. This means that it can charge 200,000 kilowatt-hours of electricity in one hour, and it can discharge the corresponding amount of electricity when it is fully charged. Shared energy storage stations not only connect to wind power and photovoltaic power stations to store excess power generation during peak power generation periods, but also connect to power-consuming enterprises to provide electric energy to enterprises during peak power consumption periods. Pan Zaibin, director of electrical appliances in the engineering department of a company in Changxing, Zhejiang: Shared energy storage stations have greatly reduced our electricity costs. At present, we only use about 20% to 25%. Wind power and photovoltaic power generation are random and intermittent, and many provinces require power stations to be equipped with energy storage systems for 1 to 2 hours. Industry insiders said that the cost of building energy storage by yourself is high, charging and discharging only once a day, and the use efficiency is low. Shared energy storage power stations are large in scale and connect upstream power stations and downstream power consuming enterprises. They can be charged and discharged multiple times a day, improving usage efficiency. You can also participate in power grid dispatching and earn price differences through peak shaving and valley filling, with low overall costs. By leasing shared energy storage, construction costs of new energy power stations have generally been reduced by more than 10%. Shared energy storage has become very popular and ushered in a construction peak.
  • my country's first batch of large-scale wind power and photovoltaic bases in Shagehuang are connected to the grid!
    my country's first batch of large-scale wind power and photovoltaic bases in Shagehuang are connected to the grid!
    December 13, 2023
    It is reported that on December 7, with the smooth connection of my country's first batch of Shagehuang large-scale wind power and photovoltaic base projects to the grid, the new energy installed capacity of the Northwest Power Grid exceeded 200 million kilowatts, accounting for nearly 50% of the total installed capacity of the Northwest Power Grid. It has doubled again in three years. Now, Northwest New Energy is accelerating its move towards the main power source, further promoting the construction of Northwest's new power system. In recent years, the development of new energy in the northwest region has accelerated, and the proportion and growth rate of new energy installed capacity have remained leading. In terms of improving the ability to understand system characteristics, we vigorously promote the actual measurement and modeling of new energy stations, carry out full electromagnetic transient digital simulation analysis of large power grids suitable for the high proportion of new energy in northwest China, and greatly improve the delivery end of high proportion of new energy. Large power grid system characteristics cognition and simulation analysis level. In terms of improving the active support capabilities of new energy, the country's first initiative to optimize the transient performance of new energy has been carried out. The scale of UHV DC near-field transformation in Shaanxi, Wuhan and Qingyu has exceeded 15 million kilowatts, and the cumulative output of new energy has increased by 5.2 million kilowatts. In terms of improving the level of lean control, the company pioneered data-driven new energy centralized transmission cascade section typical method extraction and quota customization technology, which has been deeply applied in areas such as the Xinjiang-Northwest Network Channel, and has increased the transmission capacity of the network channel by 1.6 million kilowatts. The channel utilization rate is about 8 percentage points. In terms of improving scientific and technological innovation capabilities, it took the lead for the first time in the State Grid Corporation of China's new solar energy system science and technology research action plan, innovative research on improving the transient support capacity of high-proportion new energy at the transmission end, and overall planning to solve the temporary problems of high-proportion new energy and ultra-high voltage DC coupling systems. Stability issues. At present, Northwest Power Grid has achieved "three improvements" in new energy power generation, utilization rate and power generation proportion for seven consecutive years, and key indicators such as installed capacity penetration rate, power penetration rate and power generation proportion have overall reached "three leading" levels.
  • Annual power generation is 11.56 million kW·h! China's first large-scale
    Annual power generation is 11.56 million kW·h! China's first large-scale "photovoltaic + gas film" project is officially connected!
    December 06, 2023
    On December 2, the four highly conspicuous "gas piers" located at Lu'anzhou Wharf in Changzhou were fully debugged, marking that China's first ultra-large-scale "photovoltaic + gas film" photovoltaic energy power station project will officially receive power. For a long time, large amounts of dust and exhaust gas have been "provoked" during the loading and unloading operations, storage and transportation of coal, sand and gravel and other bulk materials transported at the port. In March this year, the Lu'anzhou Terminal air film greenhouse came into being. It is the first bulk cargo yard in the Yangtze River Basin to use air film technology to achieve fully enclosed operations, and is used to comprehensively improve the ecological environment of the port terminal. These four greenhouses are located in the first and second phase bulk cargo yards of Lu'anzhou Port. They look like four giant loaves, with a total projected area of over 270,000 square meters, and can store 1.5 million tons of ore and other bulk cargoes at a time. The annual power generation can reach 11.56 million kilowatt hours, and it is expected to reduce 9,500 tons of carbon dioxide emissions a year. Not long ago, the giant "Qidundun" was covered with a "blue quilt". These blue blocks sparkling in the sun are distributed photovoltaic power generation solar panels, which can generate 6 million kilowatt hours for the terminal's own use, accounting for 10% of the total annual power generation. 52%, and the remaining power can be sent to the power grid to earn profits. Now that "Qidundun" has officially entered the 2.0 era, it can not only effectively avoid dust problems in open-air operations, but also achieve significant energy saving and emission reduction benefits through photovoltaic power generation. It is the first in the country to create a new application scenario for distributed solar energy power generation, demonstrating the "hard core" responsibility of green wisdom.
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