"With electricity delivered from Gansu, we have greater confidence in the energy supply for port operations," said Han Guopeng, head of safety and operations maintenance at Shandong Port Energy Development Weifang Co. "In particular, green electricity has further strengthened Weifang Port's confidence in building a zero-carbon port."

Over the past year, the transmission corridor has supplied electricity to Beijing, Shanghai, Tianjin, Jiangsu and Zhejiang, helping ease power demand pressure in eastern China while expanding consumption channels for Gansu's renewable energy.

In November 2025, the line transmitted 290 million kilowatt-hours of green electricity to Shanghai within 10 days, helping ensure 100 percent renewable electricity use during the China International Import Expo.

According to State Grid Gansu Electric Power Company, more than 40 percent of the electricity transmitted over the past year came from new energy sources, equivalent to saving about 3.54 million tons of standard coal.

"Facing a UHV transmission system with a high proportion of new energy and bundled transmission of wind, solar, thermal power and storage, scientific coordination is key," said Liu Kequan.

"We have adopted a coordinated operating model featuring thermal power for peak regulation, renewable energy as the main supply source, and energy storage for support," Liu said. "By optimizing operating strategies in real time, we have achieved both stable thermal power supply and maximum renewable energy utilization."

The project has also accelerated the growth of Gansu's new energy industries. In Qingyang and Baiyin, large-scale wind, solar and storage projects have expanded rapidly, while manufacturers of wind turbines, storage systems and hydrogen equipment are scaling up production.

"Gansu has abundant renewable energy projects and strong market demand," said Mu Xinghui, a manager at Yishite Digital Equipment Manufacturing in Qingyang. "Producing here reduces transportation costs and allows companies to respond quickly to customer demand."

Gansu's installed new energy capacity has now exceeded 80 percent of its total installed power capacity, while the output value of its new energy industry has surpassed 100 billion yuan ($13.8 billion), as the province continues to transform its rich renewable resources into a driver of economic growth and China's low-carbon transition.