TREE NEWS update: The China-Laos 500kV interconnection project has transmitted a cumulative 1 billion kWh of electricity since it began commercial operation on April 20, state grid operator China Southern Power Grid’s Yunnan subsidiary said. Solar power from a clean-energy base in northern Laos entered Yunnan on the project’s first day, and from August 6 Lao hydropower was routed through the link to the Greater Bay Area, a delivery set to run through late October for a total of about 600 million kWh.
China-Laos 500kV Grid Link Tops 1 Billion kWh of Transmitted Power
The milestone matters less for its volume than for what it demonstrates: cross-border transmission is now moving in both directions and serving multiple end markets, not just a single bilateral flow. Routing Lao hydro to the Greater Bay Area while solar from northern Laos feeds Yunnan signals that the link is being used as flexible grid infrastructure rather than a one-way import channel. The open question is whether this seasonal, multi-destination pattern becomes the operating norm or remains an initial-phase arrangement.
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