Solar Energy Storage Cabinet Announcement

By the end of 2024, the cumulative installed and operational capacity of new energy storage projects nationwide reached 73.76 GW/168 GWh, approximately 20 times that of the end of the 13th Five-Year Plan and more than 130% higher than at the end of 2023.

The average storage duration of new energy storage systems reached 2.3 hours, an increase of approximately 0.2 hours compared to the end of 2023. Operational efficiency also improved, with equivalent utilization hours of approximately 1,000 hours in 2024, according to statistics from grid enterprises.

In the global energy transition, energy storage is key to integrating generation, grid, load, and storage systems. It enhances grid stability, addresses renewable energy intermittency, and supports a resilient, efficient, and sustainable energy infrastructure, enabling the seamless adoption of clean energy.

Projects with storage durations of 4 hours or more accounted for 15.4% of total installed capacity, a rise of about 3 percentage points compared to the end of 2023. Projects with durations of 2–4 hours accounted for 71.2%, while those with durations of less than 2 hours made up 13.4%.

S&P Global expects the move to reverberate through the global battery storage supply chain, further driving down prices already at historic lows. From ESS News New renewable energy plants in China will no longer be required to build storage in order to secure development rights and grid connection.

By the end of 2024, projects with an installed capacity of 100 MW or more accounted for 62.3%, up by about 10 percentage points from 2023. Projects with an installed capacity of 10–100 MW accounted for 32.8%, while projects below 10 MW accounted for 4.9%.