Ubiquitous energy storage already has 25 application scenarios
Big data centers, oil platforms, oil depots, coal mines... In the past two years, energy storage containers have begun to enter more and more scenarios, and super-size "power banks" have become a source of energy from all walks of life. In addition to the increasingly mature wind farms, photovoltaic power plants,thermal power plants and other supporting energy storage applications, various large-scale power users have become the best place for energy storage technology. According to incomplete statistics from Polaris Energy Storage Network, there are currently more than 20 energy storage application scenarios with application cases. If these scenarios are gradually promoted in the future, the energy storage market may usher in new room for growth. The following are examples of energy storage projects in various scenarios:
1. Data Center
Shanxi Lvliang Smart Energy Project takes "Tianhe No. 2" Lvliang Cloud Computing Center as the main load object, builds a green cloud computing center energy Internet powered by 100% renewable energy, and explores the integration of energy Internet with cloud computing, big data and other strategic emerging industries model, and then demonstrate and promote. The project plans to build a 5MW/20MWh energy storage system; 5MWp photovoltaic 50kW wind power generation, ten 60kW DC charging piles, and ten AC charging piles.
2. Cold chain logistics park
China Southern Power Grid Guangxi Nanning Power Supply Bureau and Zhuangning Refrigeration Company signed a cooperation agreement for the construction of a distributed energy storage demonstration project based on smart power management. The first phase of the Nanning Zhuangning Food Cold Storage Co., Ltd. project plans to complete the user-side energy storage core technology research, construct and put into production a 250 kW/500 kWh lithium iron phosphate battery energy storage demonstration project, which is expected to reduce the comprehensive electricity cost 900,000 yuan for users, which will effectively reduce the electricity cost of Guangxi's "vegetable basket" people's livelihood project, improve the level of intelligent electricity use and safe electricity usage level for agricultural cold chain logistics enterprises, and use technological innovation to help to promote the high-quality development of modern agriculture in the West. At the same time, the follow-up of the project will build ice-storage air-conditioning energy storage, photovoltaic power generation, two-way charging stations for electric vehicles, virtual power plant applications, etc., to create a new sample of the comprehensive
energy zone of the Southern Power Grid.
3. Distribution network station area
On September 15, the 100 kW/270 kWh integrated storage and charging device independently developed by State Grid Hunan Electric Power Co., Ltd. was successfully connected to the grid for trial operation in No. 2721, Fengquan Gujing District, Changsha City, marking the first energy storage and charging solution for the series of problems in the high-loading area in China was officially put into use. The integrated storage and charging device in the station area addresses the problems of insufficient construction of power supply
and power facilities in old communities, difficulty in transformer expansion, and no DC charging piles in the community. The research and development is based on the use of new energy batteries, and the platform area is dynamically expanded, peaking, power quality management and charging. The solution is integrated, which provides a brand-new solution idea for reducing the cost of distribution network transformation and improving
quality and efficiency.
4. Line side
On September 11, the line-side energy storage project of Hongqiao Town of the State Grid Yueqing City Power Supply Company was officially put into operation. The energy storage system is 1MW/2.088MWh, and can transmit 1000 kWh per hour at full power, which is currently the first in Zhejiang Province. A fixed-point energy storage project on the line side. The energy storage power station is integrated into the 10 kV line side of the distribution network, and is precisely matched with the power supply line. During the peak summer period, it uses the mode of 3 charging and 3 discharge per day to participate in peak shaving and valley filling, which can effectively avoid the peak of the line and meet the normal operation
requirements of the power grid. . As the practical application of the energy storage system on the distribution network side, this project solves the problem that the rigid investment of traditional grid development requires a large amount of channel resources, cable equipment and superior substation resources, and promotes the transformation of the power grid from "source with load" to "source load interaction". Its production will effectively alleviate the problems of difficult power grid transformation and upgrading, poor power quality, and low power supply reliability in Xixi Industrial Zone, Hongqiao Town, Yueqing.
5. Multi-site integration
Shixin Road was originally planned as an electric vehicle converter station. In the premise of not changing the original overall layout, Hefei Power Supply Company made full use of the current basic grid resources to build the province's first "multi-station integration" project that integrates the functions of photovoltaic power station, energy storage station, 5G base station, electric car charging stations, data centers, and switching stations. The rooftop photovoltaic power station, energy storage station, and electric vehicle station of this project form a "micro-grid system". The photovoltaic power station with a capacity of 88 kW generates approximately 84,000 kWh per year, which is used by the data center, 5G base station and other equipment in the station; On the one hand, the 1.34 megawatt energy storage power station guarantees the balance and stability of power supply, and at the same time uses night charging and daytime power supply, which has played a certain role in "peak cutting and valley filling".
6. Electric ship shore power
In June of this year, Three Gorges Power and the Three Gorges Navigation Bureau reached a cooperation, determined to install photovoltaic modules on the Three Gorges Maritime Barge 607, supporting shore-based energy storage devices and electric boat charging interfaces to ensure the clean energy of the barges and the charging of electric boats. Three Gorges Power introduced advanced domestic charging and storage technology. On October 12, the optical storage and charging smart energy demonstration project invested and constructed by Yangtze Power Three Gorges Power successfully passed the acceptance
inspection and officially put into operation in the Three Gorges Dam area.
7. Oil depot
On November 4th, hosted by the South China Branch of the National Pipeline Network and led by Huazhong University of Science and Technology, Nanjing Mite Energy Technology Co., Ltd. implemented the construction of a 2×250kW/2×600kWh container energy storage
system that passed the completion acceptance and was officially put into operation. The project is located in Fuwan Oil Depot, Gaoming District, Foshan City, Guangdong Province. After the energy storage system is put into operation, it can achieve peak-shaving and valley-filling of electricity, and use the peak-valley price difference to reduce the customer’s oil and electricity costs; The dynamic adjustment of power can also be used as a backup power source, which will greatly improve the customer's power quality and power reliability. The container energy storage system is closely integrated with the original power system, and has the functions of anti-backflow, peak shaving, valley filling, overload prevention, maintenance lockout, and demand management to ensure the stable operation of the power system.
8. Commercial area
The Lithium Battery Energy Storage Demonstration Project of Jingneng Group's Leduogang Smart Park has a scale of 2MW/7.96MWh. Sichuan Haobang Zhongneng Power Engineering Co., Ltd. won the bid for the EPC project with 18.6144 million yuan.
Narada Power's Beijing Lanjinglijia user-side commercial complex smart energy storage power station is located in Beisanhuan, Haidian District, Beijing. The total scale of the project is 1MW/5MWh. The first phase of the project is 500KW/2.5MWh, and the total project area is 170 square meters. The energy storage system is connected to the shopping mall's power distribution room bus on the 400V low-voltage side, and the expected service life of the power station is 10 years. On May 22, 2017, the energy storage power station realized the capacity and electricity bill management of home shopping malls, and solved the inability to expand and transform the home mall lines and the pain points of impacting the power grid caused by the charging access of electric vehicles. Peak filling valley smart energy storage services, while also participating in power demand side response.
In order to improve the safety of electricity use, increase the efficiency of electric energy utilization, and cope with the power shortage during the peak period of electricity consumption, Peking University International Hospital used social capital to finally sign an energy storage power station project of about 2.7MW in the form of an energy management
contract.The 0.58MW photovoltaic power station has been built in the early stage, which can be used in conjunction with an energy storage power station to smooth the output of renewable energy, improve the controllability of power generation, and enhance the efficiency of renewable energy utilization. In the case of failure of municipal power supply, energy storage power stations and photovoltaic power generation combined with emergency power supply support equipment: diesel generators, UPS, EPS, etc., can greatly improve the power supply guarantee capability. During valley hours (batteries), electric energy is stored, and power is supplied to electric loads during peak hours. The "peak-valley price difference" is used to reduce electricity users' electricity bills. The first-phase energy storage power station is expected to save 160,000 yuan in electricity bills each year.
10. 5G base station
Shandong Mobile’s Jining branch utilizes the characteristics of “peak, flat and valley” of the direct power supply price, and uses energy storage equipment for the first batch of 26
base stations. On the basis of ensuring reliable power backup, it is partially discharged during peak hours and full backup during valley hours,thereby promoting off-peak use, reducing
electricity expenses, and realizing "zero cost" power backup. This solution on the one hand solves the problem of energy storage in the computer room, and on the other hand, it can save electricity bills by "buying" electricity from the "low" price of electricity at night, and using it when the electricity price is "peak" during the day. When the main supply fails, the battery can seamlessly switch to supply power to the load. Currently, the first batch of 26 base stations is expected to save more than 200,000 yuan in electricity bills annually.
In addition, China Tower is also opening new ways to play in the field of Zhejiang base station energy storage! In a certain tender, China Tower required the winning company to spend no less than 43% of the winning bid to invest in China Tower’s communication base station to develop energy storage and backup contract energy management business based on peak shaving and valley filling. The winning bidder is expected to receive a share of the maximum income about 0.7 yuan/kWh.
Fujian Province is a mountainous area with many tunnels and long mileage. The cost of power for tunnel lighting every year is quite high. The construction of the energy storage system in the Pengshanling Tunnel can not only use the peak-to-valley price difference to obtain economic benefits, but also replace the traditional tunnel UPS power supply system as a tunnel backup power supply, and its function and stability are further upgraded compared with the UPS power supply, which can enhance the tunnel power supply stability. According to statistics, a 30-day charge is about 12390KWh and a discharge is about 11750KWh. The 30-day total income is about 4560 yuan, and the average daily income is 152 yuan. Based on this calculation, the 10-year operation of the energy storage system of the Pengshanling Tunnel will save about 500,000 yuan in electricity costs.
On Cheniushan Island, there are residents, militia guarding the island, mobile signal transmission base stations, maritime radar stations and other electrical equipment. This kind of island electricity use scenario, conventional photovoltaic or wind power generation cannot provide an island with stable and reliable electrical energy in this scenario. State Grid Jiangsu uses the energy management system to precisely coordinate and control the power generation, energy storage, and electricity usage conditions, and flexibly deploys the connection methods of each user, and realizes the "source of 50 kW wind turbine, 30 kW photovoltaic, 100 kW diesel engine and 450 kWh energy storage. "Power-Network-Load-Storage" coordinated control and economic operation. The off-grid smart island microgrid not only solves the electricity and water problems of the residents on the island, but also provides power supply guarantee for the development and protection of the island and the ocean, and provides a technical model for the construction of the smart island microgrid.
13. Rail transit
On the morning of September 26, Guangzhou Huangpu Tram Line 1 of China Railway 22nd Bureau Group, the first domestic tram project using the "super capacitor + lithium titanate battery" hybrid energy storage power supply device technology was completed. The single capacity of the super capacitor in the line system is 9,500 farads, and the charging is automatically completed when the vehicle reaches the passenger boarding gap at the station. It takes less than 30 seconds to realize the dynamic balance of vehicle energy consumption contigencies and emergencies, which greatly improves the emergency capability of the vehicle operation. As the "super capacitor + lithium titanate battery" is used as the energy storage device for traction and power supply, there is no contact web in the interval,
which greatly reduces the "spider web" in the urban air. In addition, when the vehicle is braking, more than 80% of the braking energy is recovered to the super capacitor to form electric energy storage,
which realizes energy recycling and achieves high efficiency and energy saving.
The ground-mounted supercapacitor/battery hybrid energy storage device independently developed by Beijing Jiaotong University was tested in Liyuan Station on the Batong Line of Beijing Metro. The device can not only recycle the regenerative braking energy of the train, but also use the energy storage device to pull the train to the subway station in an emergency when the power supply system fails. During the night single vehicle test, the energy-saving rate can reach 20% per trip; during the normal operation of the subway, the average daily energy saving is 1500 kWh, and the energy-saving rate is 13%; while the average daily energy saving is 900 kWh on weekends, the energy-saving rate exceeds 17%. .
14. Offshore oil platform
Shanghai Guoxuan Wuyang Ship Technology Co., Ltd., a subsidiary of Guoxuan Hi-Tech Holding Co., Ltd., has won an order for a 1790kWh containerized energy storage power station supporting the 2018 project of the Smart Grid Technology and Equipment Key Special Project of the National Key R&D Program. The project is "Key Technologies for Reliable Operation of Offshore Multi-platform Interconnected Power Systems", which was declared by the CNOOC Research Institute. It is an innovative practice for CNOOC Systems to use large-capacity energy storage technology to improve grid stability, and fills the blank of the application of current large-capacity energy storage technology in the CNOOC system . Offshore oil field power grid is a typical island power grid, and there is no electrical connection with land power grid. At the same time, the power supply capacity of the offshore oilfield power grid is small, and the load capacity is large. The moment when a large load starts and the grid failure will cause large frequency fluctuations. In order to ensure the stability of the power grid under N-1 fault conditions, a relatively small amount of energy storage can effectively improve the frequency modulation performance of the power system and maintain frequency stability.
15. Petroleum Exploration
CNPC Chuanqing Drilling Engineering Co., Ltd. Changqing Downhole Technology Operation Company used to bid for an off-grid lithium battery energy storage system transformation project. Due to the fieldoperation of the test oil and gas team, it mainly relies on diesel generators for power supply, and there is no reliable fixed and continuous economical power supply. The plan is to use a cost-effective lithium battery energy storage system to solve problems such as discontinuous power supply and power bottlenecks,etc. According to the Northstar Energy Storage Network, Xi’an Jingwu Energy Saving Technology Co., Ltd., Hebei Electric Cube New Energy Technology Co., Ltd., and Qinghai Green Grass New Energy Technology Co., Ltd. won the bid and will jointly provide 27 sets of test oil and gas units for retrofitting and off-grid type lithium battery energy storage system.
In September 2020, the National Energy Group issued a public bidding for the research and implementation of the coal mine energy storage power supply of the Xinjiang Energy Mechanical and Electrical Management Center. The project site is located in the 110kV substation of the Hongshaquan Coal Mine of Xinjiang Energy Company. The main research is the application of energy storage systems, including: when a fault occurs on the power side or the power supply needs to be stopped for normal maintenance, the load side uses the battery system to convert the DC in the battery system to AC through the energy storage converter to supply power to the user side; and during normal operation, the user side takes the power from the grid side The time period for electricity and the time period for battery pack energy storage are reasonably allocated by the system controller according to the peak, flat, and valley periods of electricity billing.
In August 2020, Qinghai issued a tender for the off-grid energy storage photovoltaic power station project in Qumalai County. The owner of the project is the Education Bureau of Qumalai County. The three boarding primary schools in Qumalai County Village have designed safe off-grid energy storage photovoltaic systems. In the end, Jiangxi Zhongning Construction Engineering Co., Ltd. won the bid to participate in the project design part, and Shanxi Xinyuan Electric Power Design and Research Institute Co., Ltd. won the bid to participate in the construction.
18. Military camp
At a border plateau camp in Xinjiang, the army's first military-civilian integrated renewable energy local area network project invested and constructed by the Power Construction Group New Energy Company was launched in August 2018 and was officially connected to the grid on December 26, 2018. The project mainly builds new photovoltaic, wind power and energy storage power stations, supporting the construction of power transmission lines, emergency diesel power stations and intelligent micro-grid management and control systems. After completion, the energy self-sufficiency rate will exceed 90%, and it will become the largest renewable energy local area network in the country. It can not only better meet the comprehensive energy needs of the military and civilian sides for lighting, heating, oxygen, water and equipment, but also greatly reduce oil and coal. Wait for the burden of logistical support, and initially build a green, low-carbon, safe, efficient, and sustainable plateau modern energy system.
19. Government building
In November 2018, it was reported that the Sunshine Family Photovoltaic Energy Storage Power Station settled in the Lujiang County Government Building in Anhui Province, becoming the first national application of a government building photovoltaic energy storage project. The installed capacity of the power station is about 6 kilowatts, and the Sunshine Family Photovoltaic Energy Storage System is used to achieve off-grid independence
power generation. More than 6000 kilowatt-hours of electricity can be generated every year, delivering a steady stream of clean electricity to the building.
20. Pastoral Ecological Park
On December 5, 2018, the owner, Shanghai Yuhaitang Ecological Agriculture Technology Co., Ltd. formally handed over the appraisal certificate. So far, the Chongming Samsung Pastoral "Internet +" smart energy demonstration project system of Shanghai Electric Power Plant Group has all completed the commissioning. The demonstration project is tailor-made for the unique ecological environment, development planning and residents' needs of Xin'an Village, Sanxing Town, and is a smart solution integrating “wind and solar storage and charging”.It is an important part of building a world-class ecological island in Chongming. During the day, the CIGS thin-film photovoltaic power generation is stored in the cascade utilization power battery. When the lights are turned on at night, the electricity in the energy storage system is released, and the buildings with local characteristics such as the Straw Hat Forum and Haitang Left Bank are sequentially lit. So far, a rural energy upgrade and reform with renewable energy, energy storage, and energy management systems as its core applications is kicking off.
On November 3, 2018, the 1MW/2.56MWH energy storage system of Shanghai China Merchants Bank Building was successfully connected to the grid. This project is Shanghai's first commercial application building user-side energy storage project, and it is also the first energy storage project built by a domestic financial enterprise using its own properties. The project is funded and constructed by China General Nuclear Power New Energy Holdings Co., Ltd. (abbreviated as "China General Nuclear Power New Energy"). The building owner is Shanghai China Merchants Bank Co., Ltd., and Guangzhou Zhiguang Energy Storage Technology Co., Ltd. (abbreviated as Zhiguang Energy Storage) provided the project comprehensive solution. The project is located in the center of Pudong New Area, Shanghai. The construction site is China Merchants Bank Shanghai Tower, covering an area of 103 square meters. It uses the "peak cutting and filling valley" model to provide energy-saving services for Shanghai China Merchants Bank Tower.
The 1MW/2MWh energy storage project of Beijing Lafayette Castle Hotel, which was constructed by Kelu Electronics, is an applied energy storage project for peak shaving and valley filling, and the first energy storage power station completed and put into operation in the international procurement project of 500MWh energy storage facilities , It only took 45 days from order confirmation to delivery.
23. Football Club
According to foreign media reports in November 2018, the British Arnason Football Club began to use the 2MW/2.5MWh Tesla battery energy storage system. This is the first in the UK and the world's first football club to have an energy storage system. The energy storage facility can participate in power market transactions by participating in power demand response, helping football clubs to cut peaks and fill valleys and save high electricity bills.
In October 2018, foreign media reported that the San Diego Zoo in the United States will build a 1MW/4MWh battery energy storage facility. By shaving the peak and filling the valley, the battery is charged when the electricity price is low, and discharged when the electricity price is high, thereby reducing energy costs to minimum.
25. Mobile Police Office of Police Station
On October 18, 2018, it was reported that the photovoltaic off-grid energy storage system for the mobile police station in the southern business district of Meilong Police Station in Minhang District, Shanghai, independently designed and integrated by Miang Photovoltaic, was successfully completed and officially operated. The installed photovoltaic capacity of the project is 8.1kW, using high-efficiency monocrystalline silicon 300W solar modules, and the configuration uses C12V series valve-regulated lead-acid batteries, which can be used for daily office use in the police office for 2 days after the mains power is cut off. This is the first container police office + photovoltaic off-grid energy storage power station system in Minhang District, Shanghai. On the one hand, it continuously provides good power supply for the police office, and more importantly, it plays a role as a benchmark for energy conservation and environmental protection to create social benefits.
Publisher: Polaris Energy Storage Network from: http://www.batterycloud.com.cn/newsDetail?infoId=247