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2023-03-13
The largest wind power project with installed capacity in ultra-high altitude regions worldwide has started construction
On April 7th, in the ice and snow of the Qiangtang Grassland in northern Tibet, the National Energy Group announced the official start of the Omatinga 100 MW wind power project in Seni District, Nagqu City!
This project is the largest wind power project approved for installation in Tibet and also the largest wind power project installed in ultra-high altitude areas above 4500 meters worldwide. It plays an important demonstration role in promoting the research and application of high-altitude wind turbines and accelerating the development of new energy in Tibet.
After the project is put into operation, it is expected to save about 60000 tons of standard coal annually and reduce carbon dioxide emissions by about 160000 tons. This will play an important role in improving the energy structure, enhancing power supply guarantee capacity, promoting rural revitalization, and promoting economic and social development in Nagqu City.
2023-04-14
The first zero carbon building for the production and operation of light storage, direct flexible power in China has been completed
On March 30th, China Energy News Network (Huang Lei, Yu Jianyu, Sun Ting) led by State Grid Jiangsu Electric Power Co., Ltd. and undertaken by State Grid Jiangsu Electric Power Research Institute, the first zero carbon building for the production and operation of optical storage, direct and flexible power in China, the Production and Research Building of State Grid Jiangsu Electric Power Research Institute, was built in Jiangsu. It can conduct DC power distribution technology experiments and is open for use in the province's power skill level training, learning, and exam evaluation.
In the "Action Plan for Carbon Peak before 2030" issued earlier by the State Council, it was proposed to "build photovoltaic power generation, energy storage, DC power distribution, and flexible electricity use integrated optical storage, direct and flexible buildings". In August 2022, under the guidance of State Grid Corporation of China, Jiangsu Electric Power initiated a demonstration project of the Ministry of Housing and Urban Rural Development, titled "Zero Carbon Building for Power Production and Operation Based on Optical Storage, Direct Flexible," to carry out technology integration applications such as ultra-low energy consumption buildings, renewable energy applications, and new types of optical storage, direct flexible, and power systems, and to create zero carbon buildings in cold winter and hot summer areas.
The production and research building of State Grid Jiangsu Electric Power Research Institute was founded in 2009, covering an area of 1807 square meters. It is a comprehensive building that integrates production, scientific research, and office work. The current energy consumption design does not meet energy-saving standards. Jiangsu Electric Power has taken this building as a pilot to carry out the renovation of optical storage, direct flexible buildings.
The completed building features a Jiangnan residential design with a sloping roof covered with photovoltaic tiles and walls made of photovoltaic curtain wall materials. It is difficult to achieve the goal of nearly zero energy consumption solely by improving the performance of the enclosure structure and the energy efficiency of air conditioning and heating equipment. We adopt integrated building photovoltaic technologies such as photovoltaic tiles and photovoltaic curtain walls, with a total installed capacity of 115 kilowatts and an estimated annual power generation of 110000 kilowatt hours, which can reduce 70 tons of carbon dioxide emissions. At the same time, we are equipped with a 150 gigawatt hour digital energy storage device to achieve self-sufficiency while surplus electricity can be used in the power grid Zhang Chenyu, Deputy Director of the Distribution Network Technology Center of State Grid Jiangsu Electric Power Research Institute, said, "The efficiency of solar energy used for photovoltaic power generation is about 20%, and the remaining light is lost through thermal energy. We apply heat collection technology in facade photovoltaic curtain walls and roof photovoltaic tiles, converting them into high-grade thermal energy through heat pump circulation, achieving hot water supply for buildings, and maximizing comprehensive energy efficiency through cogeneration
In addition, photovoltaic, energy storage, air conditioning, charging stations, etc. are all DC type source loads, using DC aggregation technology, eliminating the traditional multi-level energy conversion process, and achieving a maximum energy efficiency improvement of 4.1%.
It is worth mentioning that another highlight of the optical storage direct flexible building lies in flexible regulation of energy consumption and participation in grid interaction. State Grid Jiangsu Electric Power Research Institute independently develops a multi-port household energy router, achieving efficient energy allocation and friendly interaction of electrical equipment; Create an optical storage, direct and flexible coordination and interaction system to flexibly switch operating modes for building energy consumption according to different needs of the power grid. Green power consumption mode, prioritizing on-site consumption of photovoltaic power generation; Friendly interactive mode, orderly regulation of electricity load based on grid demand; The isolated network autonomous mode can achieve 48 hours of offline operation of the system.
Light storage, direct and flexible technology has transformed energy consuming buildings into a complex that integrates production, consumption, and regulation, achieving a shift from energy consumers and rigid energy consumption to deep participation in grid regulation and flexible energy consumption, providing new ideas for the construction of new power systems, effectively promoting the efficient utilization of clean energy, and assisting in the implementation of the 'dual carbon' strategy.
2023-04-14
Green finance has great potential under the background of "dual carbon"
Green finance has great potential under the background of "dual carbon"
Under the background of "dual carbon", the green and low-carbon transformation of financial vitality has become a development trend.
Recently, the online banking green finance forum was held in Hangzhou. The forum, with the theme of "number and intelligence interlinkage, all industries turn to the sun", aims to help the development of photovoltaic industry, and research and explore new paths and ways for green finance to help the development of photovoltaic industry. At the forum, representatives from the financial industry and the energy industry believed that under the background of "dual carbon", new energy has become a new trend of industrial development, and green finance will have great potential. At the same time, the attending representatives believe that the green standards for some small and micro enterprises are still unclear, and call for joint exploration and promotion of the development of green standards for small and micro enterprises, in order to strive for more inclusive and green services for small and micro enterprises in more industries.
Focus: With financial assistance, the development momentum of the photovoltaic industry is good
It is understood that green finance refers to the financial services provided for project investment and financing, project operation, risk management, etc. in the fields of environmental protection, energy conservation, clean energy, green transportation, green buildings, etc., in order to support the economic activities of environmental improvement, climate change and resource conservation and efficient utilization.
Since 2016, the People's Bank of China, together with relevant departments, has strengthened and improved the top-level design of green finance development, led the introduction of the Guiding Opinions on Building a green finance System, and initially established the "five pillars" of green finance development, namely, the green finance standard system, environmental information disclosure, incentive and constraint mechanism, product and market system and international cooperation, as well as giving play to green finance resource allocation The "three major functions" of risk prevention and price discovery.
With the assistance of the financial industry, in recent years, the development momentum of China's photovoltaic industry has been good. Liu Yiyang, Deputy Secretary General of the Photovoltaic Industry Association, stated at the forum that in terms of cumulative installed capacity, photovoltaic has become the third largest installed type after thermal power and hydropower in 2022. From January to February this year, China's new photovoltaic installed capacity exceeded 20 gigawatts.
Regarding the specific path of financial support for the development of the photovoltaic industry, Liu Yiyang told reporters that in terms of photovoltaic financing, the main financing methods currently include bank financing and equity financing. With the introduction of the Central Bank's "carbon emission reduction support tool" and other relevant policies, new energy has become the key support area of green finance. The bank loan interest rate of the photovoltaic industry has decreased compared with previous years, and the loan term has also been extended accordingly.
It is particularly worth mentioning that in order to support the national distributed photovoltaic industry policy and meet the financial needs of enterprises or farmers to purchase photovoltaic power generation equipment, 'photovoltaic loans' have emerged. Liu Yiyang said that according to incomplete statistics, 121 banks in 19 provinces and cities have carried out' photovoltaic loans' related businesses, and the photovoltaic industry's inclusive finance has taken a big step forward.
For the development of the photovoltaic industry in the next stage, representatives attending the meeting believe that after leaving subsidies, the photovoltaic industry still needs a complete financial system as support to ensure subsequent development. Regarding this, Yan Zonghui, the distribution director of Jing'ao Solar in China, pointed out: "The photovoltaic industry has finally grown up like a child, which is inseparable from the strong support of the country back then. However, without a complete financial system as support, photovoltaic after leaving subsidies is likely to face a new round of credit crisis
Bottleneck: Green standards for small and micro enterprises are still unclear
Of course, the process of green finance helping the development of photovoltaic industry is not smooth. Regarding this, Liu Yiyang also admitted that there are still some problems in specific practical operations.
Due to the lack of clear green standards applicable to small and micro enterprises, even small and micro enterprises and small and micro distributors in the upstream and downstream of the photovoltaic industry with natural 'green genes' are difficult to obtain green credit. It is necessary for friends from all walks of life to jointly discuss and promote the development of green standards for small and micro enterprises, and strive for more inclusive and green services for small and micro enterprises in more industries, "Liu Yiyang said.
Regarding this, Wang Jianlong, the general manager of component distribution in Trina Solar China, also expressed a similar viewpoint. He believes that green finance and inclusive finance, from the perspective of small and micro enterprises' attributes, are not clearly defined. He hopes that this standard can be introduced and promoted as soon as possible, so that more small and micro enterprises can obtain policy dividends.
As for specific response measures, Yan Zonghui believes that for some frontline brand enterprises in the industry, they should learn to reduce pressure on distributors, especially for some small and micro enterprises, which should be assisted in multiple aspects. For banks, they should assist enterprises in strengthening risk control, leveraging the power of finance, and assisting the development of small and micro enterprises.
In response to the lack of clear standards for innovation in green inclusive financial services, online commercial banks have also provided solutions from the banking perspective. It is understood that in recent years, online commercial banks have continuously increased their collaboration with third-party data platforms, green certification agencies, and core brand enterprises, exploring the establishment of a "green inclusive finance" standard system that includes the identification of green core enterprises, evaluation of green small and medium-sized enterprises, identification of green projects, and identification of green goods.
Data shows that as of the end of 2022, online commercial banks have completed a total of 6.23 million green ratings for small and micro enterprises, among which 420000 small and micro enterprises with excellent green ratings have received interest rate discounts. At the same time, online commercial banks serve green small and micro enterprises through various green supply chain products such as "green bid winning loans", "green bid winning loans", "green procurement loans", and "green zero payment period". Among them, the "green procurement loan" service of online commercial banks has been applied to over 260 green brand enterprises such as Haier Group, Wrigley Home, Halo, and Tailing.
In addition, online commercial banks have also released a digital supply chain finance solution - the Dayan System, which provides convenient and flexible financial services to small and micro enterprises upstream and downstream of the brand supply chain through big data risk control, and explores its application in the photovoltaic industry.
Trina Solar is the first brand to collaborate with Dayan System. We have arranged resources such as component distribution business units and distributors to collaborate with online commercial banks to create industry-oriented solutions. Online commercial banks have innovatively provided digital credit loan services for distributors and EPC during the construction period. The credit model of '3-minute application, 1-second loan, and 0 manual intervention' is highly efficient, solving the pain points of financing for some small and micro enterprises during the construction period, "Yang Bao, President of Tianhe Solar Energy Co., Ltd. in China, told reporters.
The green finance service of Dayan System is not only in the photovoltaic industry. Previously, online commercial banks launched "green procurement loans" to increase special financial support for green brand enterprises and small and micro distributors downstream of their supply chains, encouraging small and micro distributors to purchase green goods and services from more green and environmentally friendly enterprises. (Zhang Dongjun)
2023-04-14
The first optical storage charging station on Dongyu Island in Hainan has been put into operation
China Energy News (Zhang Min and Ouyang Haijie) Recently, the first optical storage charging electric vehicle intelligent charging station (hereinafter referred to as "optical storage charging station") was put into operation on Dongyu Island, Boao Town, Qionghai City, Hainan Province, which can provide high-speed and safe charging services for electric vehicle users on Dongyu Island and directly serve the Boao Forum for Asia.
The optical storage charging station operates in a "digital+intelligent" manner, integrating multiple technologies such as rooftop photovoltaic power generation, energy storage system energy storage, and charging pile electricity, forming an intelligent microgrid system that integrates "generation, storage, and charging". It achieves various functions such as peak shaving and valley filling, increasing new energy consumption, and fast charging, and creates a "zero carbon" microgrid demonstration application.
The optical storage charging station is provided with technical support by Southern Power Grid Energy Storage Co., Ltd. The charging pile adopts a flexible charging stack system, consisting of a flexible charging main cabinet, one 600 kW super charged liquid cooling terminal, and seven 180 kW fast charging terminals. The 600 kW ultra charged liquid cooling terminal utilizes liquid cooling technology to fully charge electric vehicles in 10 minutes, and the charging speed is currently the fastest in the industry.
The top of the car shed of the optical storage charging station is equipped with high-efficiency and long-life photovoltaic modules, which can achieve a conversion efficiency of 22.1% and ensure a 30 year output power attenuation of less than 12%. The energy storage cabinet adopts the design concept of "integrated solution", which integrates long-life battery cells, high-efficiency balanced BMS, multi-functional converter system, active safety system, intelligent distribution system, and thermal management system into a single standardized outdoor cabinet, forming an integrated plug and play product. Each energy storage cabinet is an independent unit with the ability to store energy and convert AC/DC power, and is equipped with a fire suppression system, which can operate safely and stably for a long time. By flexibly expanding the capacity through parallel connection on the AC side, the flexible deployment of energy storage station capacity is achieved.
The optical storage charging station utilizes photovoltaic power generation during the day to support the charging of charging piles, while storing energy to absorb excess photovoltaic power or valley power. During peak power consumption within the station, it assists in supporting the load by sending electricity to the charging piles, achieving a "zero carbon" microgrid system. For the distribution network, it effectively alleviates the impact of electricity load on the power grid, reduces the capacity pressure of the distribution network, and improves the reliability and stability of power supply; For users, while achieving economic benefits from photovoltaic power generation, it can also fully utilize the functions of storing energy and optimizing configuration, improving the capacity of new energy consumption.
2023-03-13
The largest wind power project with installed capacity in ultra-high altitude regions worldwide has started construction
On April 7th, in the ice and snow of the Qiangtang Grassland in northern Tibet, the National Energy Group announced the official start of the Omatinga 100 MW wind power project in Seni District, Nagqu City!
This project is the largest wind power project approved for installation in Tibet and also the largest wind power project installed in ultra-high altitude areas above 4500 meters worldwide. It plays an important demonstration role in promoting the research and application of high-altitude wind turbines and accelerating the development of new energy in Tibet.
After the project is put into operation, it is expected to save about 60000 tons of standard coal annually and reduce carbon dioxide emissions by about 160000 tons. This will play an important role in improving the energy structure, enhancing power supply guarantee capacity, promoting rural revitalization, and promoting economic and social development in Nagqu City.
2023-04-14
The first zero carbon building for the production and operation of light storage, direct flexible power in China has been completed
On March 30th, China Energy News Network (Huang Lei, Yu Jianyu, Sun Ting) led by State Grid Jiangsu Electric Power Co., Ltd. and undertaken by State Grid Jiangsu Electric Power Research Institute, the first zero carbon building for the production and operation of optical storage, direct and flexible power in China, the Production and Research Building of State Grid Jiangsu Electric Power Research Institute, was built in Jiangsu. It can conduct DC power distribution technology experiments and is open for use in the province's power skill level training, learning, and exam evaluation.
In the "Action Plan for Carbon Peak before 2030" issued earlier by the State Council, it was proposed to "build photovoltaic power generation, energy storage, DC power distribution, and flexible electricity use integrated optical storage, direct and flexible buildings". In August 2022, under the guidance of State Grid Corporation of China, Jiangsu Electric Power initiated a demonstration project of the Ministry of Housing and Urban Rural Development, titled "Zero Carbon Building for Power Production and Operation Based on Optical Storage, Direct Flexible," to carry out technology integration applications such as ultra-low energy consumption buildings, renewable energy applications, and new types of optical storage, direct flexible, and power systems, and to create zero carbon buildings in cold winter and hot summer areas.
The production and research building of State Grid Jiangsu Electric Power Research Institute was founded in 2009, covering an area of 1807 square meters. It is a comprehensive building that integrates production, scientific research, and office work. The current energy consumption design does not meet energy-saving standards. Jiangsu Electric Power has taken this building as a pilot to carry out the renovation of optical storage, direct flexible buildings.
The completed building features a Jiangnan residential design with a sloping roof covered with photovoltaic tiles and walls made of photovoltaic curtain wall materials. It is difficult to achieve the goal of nearly zero energy consumption solely by improving the performance of the enclosure structure and the energy efficiency of air conditioning and heating equipment. We adopt integrated building photovoltaic technologies such as photovoltaic tiles and photovoltaic curtain walls, with a total installed capacity of 115 kilowatts and an estimated annual power generation of 110000 kilowatt hours, which can reduce 70 tons of carbon dioxide emissions. At the same time, we are equipped with a 150 gigawatt hour digital energy storage device to achieve self-sufficiency while surplus electricity can be used in the power grid Zhang Chenyu, Deputy Director of the Distribution Network Technology Center of State Grid Jiangsu Electric Power Research Institute, said, "The efficiency of solar energy used for photovoltaic power generation is about 20%, and the remaining light is lost through thermal energy. We apply heat collection technology in facade photovoltaic curtain walls and roof photovoltaic tiles, converting them into high-grade thermal energy through heat pump circulation, achieving hot water supply for buildings, and maximizing comprehensive energy efficiency through cogeneration
In addition, photovoltaic, energy storage, air conditioning, charging stations, etc. are all DC type source loads, using DC aggregation technology, eliminating the traditional multi-level energy conversion process, and achieving a maximum energy efficiency improvement of 4.1%.
It is worth mentioning that another highlight of the optical storage direct flexible building lies in flexible regulation of energy consumption and participation in grid interaction. State Grid Jiangsu Electric Power Research Institute independently develops a multi-port household energy router, achieving efficient energy allocation and friendly interaction of electrical equipment; Create an optical storage, direct and flexible coordination and interaction system to flexibly switch operating modes for building energy consumption according to different needs of the power grid. Green power consumption mode, prioritizing on-site consumption of photovoltaic power generation; Friendly interactive mode, orderly regulation of electricity load based on grid demand; The isolated network autonomous mode can achieve 48 hours of offline operation of the system.
Light storage, direct and flexible technology has transformed energy consuming buildings into a complex that integrates production, consumption, and regulation, achieving a shift from energy consumers and rigid energy consumption to deep participation in grid regulation and flexible energy consumption, providing new ideas for the construction of new power systems, effectively promoting the efficient utilization of clean energy, and assisting in the implementation of the 'dual carbon' strategy.