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Construction has officially commenced on China’s largest electric power transmission project by installed capacity and renewable energy share, located in western Qinghai province. The initiative, called the Qinghai Hainan Clean Energy Transmission Base Power Source Project, is backed by an investment of nearly 73 billion yuan (roughly $10.3 billion), the energy company announced on social media late yesterday.
This project features an installed capacity of 19.44 million kilowatts, with more than 86% coming from renewable sources. It includes 9.6 million kilowatts of solar power, 6 million kilowatts of wind energy, 2.64 million kilowatts of supporting coal-fired power, and 1.2 million kilowatt-hours of electrochemical energy storage.
Situated in Hainan Tibetan Autonomous Prefecture, the base is built on barren land with abundant wind and solar resources. The generated electricity will be transmitted directly to Guangdong province through a single ultra-high voltage direct current transmission line operating at ±800 kilovolts, capable of carrying 8 million kilowatts.
The project is expected to produce an average of 36 billion kilowatt-hours annually, supplying green energy to support the growth of the Guangdong-Hong Kong-Macao Greater Bay Area. It will also conserve around 10 million tons of coal each year and cut carbon dioxide emissions by approximately 23.5 million tons.
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