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China Launches First Large-Scale Semi-Solid-State Energy Storage

12/2/2025

Summary

Story summary

On November 30, 2025, China Green Development Group connected its 200 MW/800 MWh semi-solid-state energy storage project in Wuhai, Inner Mongolia, to the grid.
The facility marks the first large-scale commercial use of semi-solid-state energy storage and uses technology from Qingtao Energy.
The project offers 12,000 cycles and 189 million kWh annually for peak shaving and frequency regulation, while Inner Mongolia reaches 11.08 million kW by mid-2025.

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Story summary

On November 30, 2025, China Green Development Group connected its 200 MW/800 MWh semi-solid-state energy storage project in Wuhai, Inner Mongolia, to the grid.
The facility marks the first large-scale commercial use of semi-solid-state energy storage and uses technology from Qingtao Energy.
The project offers 12,000 cycles and 189 million kWh annually for peak shaving and frequency regulation, while Inner Mongolia reaches 11.08 million kW by mid-2025.