Laos, China launch first 500-kV cross-border AC power link
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GUANGZHOU: China's first 500-kV cross-border alternating-current power interconnection project went into operation on Monday (April 20), sharply expanding electricity exchange capacity between China and Laos, China Southern Power Grid Co., Ltd. said.
The China-Laos 500-kV interconnection project raises two-way power transfer capacity between the countries from 50,000 kW to 1.5 million kW, enabling the annual transmission of about three billion kWh of clean electricity, roughly 30 times the capacity of previous lines, the company said.
The project, the largest cross-border grid project and the highest-voltage power link between China and Laos, connects south-west China's Yunnan Province with Oudomxay and Luang Namtha provinces in northern Laos.Cross-border electricity trading began as the project entered operation.
About 4.81 million kWh of power from clean energy bases in northern Laos was transmitted to Yunnan through the new line, marking a more regular and institutionalised phase of power connectivity between the two countries.
It is also the first time an overseas new energy project has participated in China's electricity market, the company said.
Source: Wikipedia