State Grid’s Sutong ultra-high-voltage utility tunnel, crossing beneath the Yangtze River, surpassed 200 billion kWh in cumulative electricity transmission.

A Financial_Express message citing CCTV News reports that the Sutong ultra-high-voltage utility tunnel had transmitted more than 200 billion kilowatt-hours cumulatively as of November 13. The report attributes the information to State Grid.

The infrastructure crosses beneath the Yangtze River and is identified as an electricity-transmission project. The milestone is cumulative energy transmitted, not newly installed generation capacity or a measure of instantaneous power.

The supplied message does not state the accumulation period’s starting date, the tunnel’s rated transfer capacity, or its operating voltage. It also does not identify electricity deliveries to any particular AI cluster or data center.