Yunnan Province's Power Quality Projects Win Awards in National Competition

Strategic Insights -

Yunnan Province, a southwestern region of China, has showcased its commitment to power quality and innovative project management through two of its power grid infrastructure projects winning awards in the 2025 Power Quality Project Selection of the China Electric Power Construction Enterprise Association. The 220 kV Changkang Transmission and Transformation Project, located in Funing County, and the 2023 Special Investment Project of the Distribution Network Maguan County, have demonstrated exceptional performance, safety, and operational efficiency, earning them top honors in their respective categories. These projects not only serve as a testament to Yunnan Province's dedication to delivering high-quality power infrastructure but also highlight the province's efforts to address regional power supply challenges and improve reliability.

Key Takeaways:

  • The 220 kV Changkang Transmission and Transformation Project has a total investment of 180 million yuan and has achieved zero accidents and zero defects during its construction phase.
  • The project has received two science and technology awards for independent innovation, 11 quality control achievements, four patents, and participated in the compilation of four standards.
  • Since its commissioning, the project has operated safely for 613 consecutive days and delivered a total of 174 million kWh of electricity to the Funing Industrial Park.
  • The 2023 Special Investment Project of the Distribution Network Maguan County involves 99 individual projects, including the construction of new power grid infrastructure to address issues of low voltage and limited low-voltage business expansion.
  • The project has increased regional power supply reliability to 99.65%, achieved 100% effective coverage of distribution automation, and significantly reduced the average annual power outage time for customers from 15.75 hours to 3.05 hours.

Statistics:

  • Total investment for the 220 kV Changkang Transmission and Transformation Project: 180 million yuan.
  • Consecutive days of safe operation at the 220 kV Changkang Transmission and Transformation Project: 613 days.
  • Total electricity delivered by the 220 kV Changkang Transmission and Transformation Project: 174 million kWh.
  • Number of individual projects in the 2023 Special Investment Project of the Distribution Network Maguan County: 99 projects.
  • Total investment for the 2023 Special Investment Project of the Distribution Network Maguan County: 87.5386 million yuan.
  • Initial average annual power outage time for customers in the area before the project: 15.75 hours.
  • Average annual power outage time for customers in the area after the project: 3.05 hours.

Sources:

  • "Recently, in the 2025 Power Quality Project Selection of the China Electric Power Construction Enterprise Association, the 220 kV Changkang Transmission and Transformation Project of the main grid of the Yunnan Wenshan Power Supply Bureau of the State Grid Corporation of China and the 2023 Special Investment Project of the Distribution Network Maguan County won the Small and Medium-sized Power Quality Project Award and the Distribution Network Quality Project Award respectively." - https://www.yn.gov.cn/ywdt/zsdt/202510/t20251015_318729.html