Source network load storage collaboration: application ecological innovation of energy storage in China

Against the backdrop of global energy transition, energy storage technology, as one of the key technologies supporting large-scale access and efficient utilization of renewable energy, is gradually becoming an important part of China's energy structure transformation. The unique power structure in China has given rise to diversified energy storage demands, driving innovation in the application of energy storage technology in multiple fields such as power generation, grid, and user. Among them, the synergy between source, network, load, and storage has become a major highlight in China's energy storage application ecosystem.

On the power generation side, with the large-scale integration of renewable energy, the problem of wind and solar power curtailment is becoming increasingly prominent. In order to address this issue, the Chinese government has introduced a series of mandatory energy storage policies, requiring wind and solar power stations to allocate energy storage facilities in a certain proportion. The implementation of this policy not only effectively improves the utilization rate of renewable energy, but also promotes the widespread application of energy storage technology on the power generation side. At present, the distribution and storage ratio of wind and solar power stations in China has reached 10% -20%, bringing huge market opportunities for the energy storage industry.

On the grid side, the application of energy storage technology in China has also demonstrated strong innovation. The shared energy storage model represented by Zhejiang, Guangdong and other places provides more flexible and efficient energy storage services for the power grid by integrating dispersed energy storage resources. This mode not only reduces the initial investment cost of users, but also improves the utilization rate and economic benefits of energy storage facilities. Meanwhile, with the continuous advancement of ultra-high voltage transmission projects, ultra-high voltage supporting energy storage has also become a hot spot in China's energy storage market. The emergence of these innovative models has injected new vitality into the development of China's energy storage industry.

On the user side, the application of energy storage technology is flourishing everywhere. Especially in industrial parks such as the Yangtze River Delta, the combination of distributed energy storage and demand response mechanisms provides users with more flexible and reliable power supply. Through peak valley price arbitrage, users can not only achieve self-sufficiency in electricity, but also obtain considerable economic benefits. According to statistics, the arbitrage space for peak valley price difference has exceeded 0.7 yuan/kilowatt hour (kWh), providing strong impetus for user side energy storage applications.

In addition to the above-mentioned fields, many other innovative models have emerged in the Chinese energy storage market. For example, the construction of integrated photovoltaic storage and charging facilities not only achieves the organic combination of photovoltaic power generation, energy storage, and electric vehicle charging, but also provides users with more convenient and efficient charging services. The emergence of these innovative models not only enriches the application ecology of China's energy storage market, but also promotes the continuous upgrading and progress of energy storage technology.

In summary, the Chinese energy storage market has made significant achievements in applying ecological innovation. Through the synergy of source grid load storage, China's energy storage technology has been widely applied and deeply integrated in multiple fields such as power generation, grid side, and user side. In the future, with the deepening of global energy transformation and the large-scale integration of renewable energy, China's energy storage market will continue to maintain a rapid development trend, making greater contributions to global energy transformation and sustainable development.