Changzhou salt-cavern compressed-air storage project reportedly completes startup of two 350-MW units
ChinaScience describes the Jiangsu facility as the world's largest of its kind and says it can store up to 2.8 million kWh of electricity per cycle.
TLDR
ChinaScience said on September 18, 2026, that the salt-cavern compressed-air energy storage project in Changzhou, China, had completed the full startup of its two 350-MW units. It described the project as the world's largest of its kind, capable of storing up to 2.8 million kWh of electricity per cycle and handling around 330 charge–discharge cycles annually.
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Changzhou salt-cavern compressed-air storage project reportedly completes startup of two 350-MW units
ChinaScience describes the Jiangsu facility as the world's largest of its kind and says it can store up to 2.8 million kWh of electricity per cycle.
TLDR
ChinaScience said on September 18, 2026, that the salt-cavern compressed-air energy storage project in Changzhou, China, had completed the full startup of its two 350-MW units. It described the project as the world's largest of its kind, capable of storing up to 2.8 million kWh of electricity per cycle and handling around 330 charge–discharge cycles annually.