Recently, Suzhou, Hefei, Nanjing and other places have light storage charging integration project officially started or put into operation. In fact, this year, the integration of light storage and charging projects around the country blossomed, industry development has pressed the “accelerator button”.
With the continuous progress of photovoltaic, energy storage technology and the rapid growth of charging demand, light storage charging integration technology has gradually become the trend of industry development. It is understood that the organic combination of light storage and charging can further improve the overall efficiency and reliability of the energy system, but in the view of industry insiders, in order to be able to play more of its own value, light storage and charging integration needs to be further explored in many aspects of technology, cost, industry collaboration.
■ Multi-point blossoming
September 4, Suzhou, the first set of “light storage charging, checking and discharging for” six functions in one of the integrated energy demonstration station was formally delivered and put into use, the demonstration station using photovoltaic panels, sodium-ion storage batteries, V2G charging piles, car batteries and other power resources, through the light storage and charging synergistic microgrid bi-directional discharging technological innovations, to complete efficient use of energy and real-time scheduling. Real-time scheduling.
In addition, on September 1, Shushan Hi-Tech and State Grid Anhui Comprehensive Energy Hefei Company, City Investment New Energy Group development and construction of the Four Seasons Flower Sea light storage charging integration super-charging station to start; August 28, located in Nanjing Sifangxincun, Jiangsu province's first old neighborhood “light storage charging integration” intelligent charging station construction is complete, has been put into operation.
Ji Xuehong, director of the Automotive Industry Innovation Research Center of the North Polytechnic University, said in an interview with a reporter from China Energy News: “The reason for the warming of the integration of light storage and charging is mainly due to the charging of the demand side of the growth has been very obvious in recent years, and how to find the charging of the charging of the new mode of business suitable for the current period of time has become a key issue to be resolved. The integration of light storage charging is actually a very efficient energy utilization system, while being able to quickly realize the profit recovery.”
Relevant policies also frequently mentioned light storage charging. In April this year, the National Energy Board issued a “notice on promoting the use of new energy storage grid and scheduling” clearly, actively support the development of new energy + energy storage, aggregated energy storage, light storage and charging integration and other joint call mode, give priority to the call of new energy storage pilot demonstration projects, give full play to the value of various types of energy storage.
In April, the Ministry of Industry and Information Technology, the Ministry of Finance, the Ministry of Transportation issued the “on the county charging and switching facilities to make up for the shortcomings of the pilot work of the notice” mentioned that distributed photovoltaic coverage of rural areas, can be combined with the actual construction of photovoltaic power generation, storage, charging and switching integration of the charging infrastructure.
Industry insiders point out that the photovoltaic storage charging integrated power station as a new energy microgrid system, integrated photovoltaic power generation, energy storage battery and charging pile technology, charging facilities for the enterprise to provide continuous green power. The system utilizes photovoltaic equipment to generate electricity, storage batteries to regulate electricity, and charging piles as flexible loads to flexibly adjust the supply and demand for electricity, to achieve self-control, protection and management, and to ensure a continuous supply of electricity in the region. In addition, as charging demand increases and the load on the city's distribution grid continues to grow, the integrated photovoltaic storage and charging model will ease grid pressure and save land resources while providing green power.
Chip to promote commercial development
In the industry's view, the future of optical storage charging integration will drive the development of industrial and commercial energy storage. CICC pointed out that in one station, from the cost and revenue level specific analysis, the energy storage system can be in the electricity demand is low when charging, high when discharging, realizing the electricity load “shift peak”, thus reducing the capacity of the electricity bill; peak and valley arbitrage, in the non-peak load time tariffs on the energy storage system charging, and in the peak load time tariffs for Discharge, thus realizing arbitrage. In the terminal yield greatly improved, China's industrial and commercial energy storage installed capacity is expected to usher in a sustained growth in demand.
