What Is the Industrial Energy Storage System Used For? - SCU

What Is the Industrial Energy Storage System Used For?

Today, carbon reduction has become a global consensus. Under the influence of factors such as economic recovery, early arrival of peak electricity demand due to high temperatures, and “water shortage” in major hydroelectric provinces, many regions are facing severe challenges in electricity consumption this year, and measures such as power rationing and orderly electricity consumption have been introduced one after another. As major consumers of electricity, factories face prominent contradictions in the supply, guarantee, and demand of electricity. In this context, the rational allocation of energy storage systems in factories can effectively alleviate the pressure of peak electricity demand, improve the supply and demand situation of electricity, promote the consumption of new energy, and achieve peak-valley arbitrage, generating significant social and economic benefits.

What is an industrial energy storage system?

Industrial energy storage systems refer to energy storage and dispatch systems used in the industrial sector. They aim to solve the problem of energy supply in industrial processes, provide stable power and energy reserves, and meet the needs of industrial equipment. Industrial energy storage power supply systems can employ various energy storage technologies, such as battery energy storage, supercapacitors, compressed air energy storage, and fuel cells.

Among them, battery energy storage is more common in industrial energy storage systems, and its features include:

  • High energy density: Industrial batteries have high energy density and can store a large amount of electricity to meet the high energy consumption requirements of industrial equipment.
  • High power output: Industrial batteries can provide high power output to meet the requirements of industrial equipment for instantaneous high power.
  • Long life and durability: Industrial batteries usually have a long service life and durability, allowing them to withstand frequent charge-discharge cycles and harsh conditions in industrial environments.
  • Scalability: Industrial battery energy storage systems can be expanded and adjusted in capacity according to actual needs to adapt to different scales of industrial applications.

Industrial energy storage systems, like industrial ups system, have a wide range of applications, including manufacturing, industrial and mining enterprises, logistics and transportation, and renewable energy integration. They are of great significance for improving energy utilization efficiency, reducing energy consumption costs, and enhancing the stability and reliability of power systems.

Functions of industrial energy storage systems

  • Peak shaving and valley filling, improving the economy of electricity consumption;Assisting traditional power systems and automatic generation control (AGC) devices, responding quickly to frequency and voltage regulation commands;
  • (AGC scheduling commands can be completed within 1 second, nearly 60 times faster than the response speed of thermal power units);
  • Addressing grid stability problems caused by large-scale renewable energy integration, ensuring performance;
  • Alleviating the impact of loads on the power grid, improving the load’s friendliness to the power grid;
  • Compensating for grid voltage and frequency deviations, improving the quality of power supply to loads.

Currently, industrial profit models rely on peak-valley arbitrage, which means charging at low electricity prices during off-peak hours and discharging at high electricity prices during peak hours. China is gradually improving the time-of-use electricity pricing. In some provinces such as Guangdong and Zhejiang, it is possible to charge and discharge twice a day, which accelerates the payback period for industrial energy storage. Industrial energy storage can also be used in conjunction with photovoltaics. When there is excess photovoltaic power generation that cannot be consumed by the industry, it can be stored in energy storage systems, and when there is insufficient photovoltaic power generation, the stored electricity can be released for use, thereby increasing the penetration rate of clean energy and saving electricity costs for industrial and commercial sectors. In addition to the above points, industrial energy storage systems can also serve as backup power sources. We know that some areas may experience power rationing in the summer, and energy storage systems can provide power for major loads and respond to sudden power outages, reducing the investment cost of UPS power supply equipment for industries.

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