China Southern Power Grid increases energy storage

How many hours a day does China Southern power grid use?

Meanwhile, figures for that of China Southern Power Grid's operating areas reached 560 hours, nearly matching the total utilization for 2023, he said.

How much energy storage does China have in 2023?

By the end of 2023, China had completed and put into operation a cumulative installed capacity of new type energy storage projects reaching 31.4GW / 66.9GWh, with an average storage duration of 2.1 hours. The newly added installed capacity in 2023 was approximately 22.6GW / 48.7GWh, which is three times that for 2022 (7.3GW / 15.9GWh).

How efficient is China's battery energy storage system?

In an interview with China Central Television, Gao Like, a manager at the Guangxi branch of China Southern Power Grid, said that the energy conversion efficiency of its sodium-ion battery energy storage system exceeds 92%. It’s comparable to the efficiency of common lithium-ion battery storage systems, at 85-95%.

Is China's energy storage capacity poised for significant growth?

Fueled by innovative technologies and rapid advances in the renewables sector, China's energy storage capacity is poised for significant growth, the National Energy Administration said on Wednesday.

How much pumped-storage hydropower will China have by 2025?

According to a mid- and long-term development plan for pumped-storage hydropower unveiled by the National Energy Administration last year, China aims to have more than 62 million kilowatts of operational pumped-storage hydropower capacities by 2025. By 2030, the figure is expected to reach around 120 million kW.

How can a gigawatt-scale renewable base project improve China's grid system?

As numerous gigawatt-scale renewable base projects come online in Northwest China, the local grid system must integrate this renewable capacity, optimize power output and manage the intermittency issues associated with wind and solar energy, said Deng.