The rapidly increasing installed renewable energy capacity has drawn greater attention to energy storage technology in China. However, the commercial implementation of energy storage is constrained.
What is new energy storage?
New energy storage refers to energy-storage technologies other than conventional pump storage. An energy-storage system charges when wind power or photovoltaic power generates a large volume of electricity or when the power consumption is low, and it discharges otherwise. China's operational efficiency of new energy storage continues to improve.
Why is new energy storage important?
"New energy storage plays an essential regulatory role in the new power system, significantly promoting the development and consumption of renewable energy," Bian noted. New energy storage features a high intensity of technology and a long industrial chain, and encompasses multiple sectors.
What is the proportion of new energy storage capacity and New Energy installed capacity?
Overall, the proportion of new energy storage capacity and new energy installed capacity will be around 15%-20%. different new energy development scales is further analyzed, and the coordinated development relationship between energy storage and new energy is analyzed.
How much does energy storage cost?
Electrochemical energy storage: The current investment cost is 2,100 yuan/kWh, and it will decrease by 4% annually during the "14th Five-Year Plan" period. There are four types of energy storage models set for 1 hour, 2 hours, 4 hours, and 6 hours for optimization options.
Regarding storage duration, the share of new energy storage projects with a duration of four hours or more increased to 15.4 percent in 2024, up by about 3 percentage points since the end of 2023.
BEIJING, Jan. 24 (Xinhua) -- China's new energy storage sector has seen a rapid growth in 2024, with installed capacity surpassing 70 million kilowatts, said an official with the National Energy Administration (NEA).