China's new energy storage capacity exceeds 70m KW

BEIJING -- 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).

Bian Guangqi, deputy director of the NEA's energy saving and technology equipment department said that by the end of 2024, the total installed capacity of new energy storage projects in China reached 73.76 million kilowatts, which represented an increase of over 130 percent compared to the end of 2023. The average energy storage duration is 2.3 hours, an increase of about 0.2 hours since the end of 2023.

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. Data from the country's grid companies indicate the sector supports the development and consumption of renewable energy, peak supply assurance, and the stable operation of the power system, thereby, significantly contributing to the construction of a new power system, Bian told a press conference on Thursday.

Geographically, the top five provincial-level regions in China for cumulative installed capacity of new energy storage are Inner Mongolia, Xinjiang, Shandong, Jiangsu, and Ningxia. North China represents a highland of the sector with its installed capacity accounting for 30.1 percent of the national total, followed by northwestern regions at 25.4 percent, and eastern regions at 16.9 percent.

"In terms of single-power station installed capacity, new energy storage plants are increasingly exhibiting a trend toward centralization and large-scale operations," Bian added.

By the end of 2024, projects with an installed capacity of 100,000 kilowatts or above accounted for 62.3 percent of the total, a rise of approximately 10 percentage points from 2023, while projects between 10,000 and 100,000 kilowatts made up 32.8 percent, and those below 10,000 kilowatts stood at 4.9 percent.

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. Projects with storage durations between two and four hours represented 71.2 percent, while those with durations of less than two hours accounted for 13.4 percent.

"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. It has nurtured numerous innovative enterprises, facilitated breakthroughs in key technologies, and promoted industrial quality and efficiency, said the official.

Moreover, the flexible layout and short construction cycle of new energy storage, along with its wide range of application scenarios, have directly driven investments nearing 200 billion yuan (about $27.89 billion) since the 14th Five-Year Plan (2021-2025), fostering industrial clusters and becoming a new engine for economic development, according to Bian.

As China strives to achieve its dual carbon goals, the country is vigorously developing a green economy, with renewable energy as one of the engines, which provides robust demand for the new energy storage industry.

Bian said that the NEA would systematically draft the roadmap for the 15th Five-Year Plan with intensified efforts to promote technological innovation in new energy storage.

The administration also aims to refine market mechanisms to ensure fair and orderly competition, guiding healthy development of the industry, and enhance international exchanges and cooperation to better support Chinese enterprises "going global".