Huangshi, Hubei: Accelerating Substation Upgrades to Secure Reliable Summer Power Supply

On May 14, power workers were busy at the 220kV Huangpingshan Substation in Zhongyan Village, Daye City, Huangshi City, Hubei Province. The successful closing of a high-voltage switch marked the completion of the substation’s expansion project.

Power workers installing equipment at the site

Photo by State Grid Huangshi Power Supply Company

The 220kV Huangpingshan Substation was put into operation in 2018 with one 180 MVA transformer, serving as the main power source for Daye City’s Northwest Industrial Park. Over its seven years of operation, it has played a crucial role in supporting local economic and social development.

Power workers at the construction site

Photo by State Grid Huangshi Power Supply Company

“With a significant increase in summer load expected, we planned to double the capacity of the 220kV Huangpingshan Substation to ensure sufficient and reliable power supply this summer,” said Long Fei, Deputy Director of the Project Management Center at State Grid Huangshi Power Supply Company.

Panoramic view of 220kV Huangpingshan Substation

Photo by State Grid Huangshi Power Supply Company

Chen Haipeng, team leader of the Project Management Center, added, “We optimized the construction schedule, coordinated work across five areas simultaneously, and conducted real-time quality inspections to complete the project one month ahead of schedule.”

This year, State Grid Huangshi Power Supply Company is advancing three substation expansion projects to meet peak summer demand while managing Ultra-High Voltage (UHV) power transmission coordination. The projects will add 470 MVA of capacity and 39 kilometers of new transmission lines, with all work scheduled for completion by June 15 to ensure stable summer power supply in Huangshi.