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Cameroon Memve'ele 225kV Hydroelectric Station Project

CYG SUNRI provided the full voltage level comprehensive protection equipment, the station-wide SCADA monitoring system, and other core equipment and technical services for the supporting transmission project of the Cameroon Memve'ele Hydroelectric Station. As Cameroon's highest voltage level and largest backbone power transmission project, it ensures the safe delivery of power to the Yaoundé load center, significantly improving the power supply capacity and stability of southern Cameroon's grid. It stands as a landmark Belt and Road electricity project in China-Africa cooperation.

Voltage Level: 225kV

Transmission Lines: 278km double-circuit on the same tower

Substation Scale: 4 substations in total: Nyabissan, Ebolowa, Ahala, and Nkol Nkumu

Supporting Power Station: Memve'ele Hydroelectric Station, 211MW

Line Route: Memve'ele Station → Ebolowa → Ahala → Yaoundé Nkol Nkumu Station

Project Model: Equipment Supply + System Integration + Installation & Commissioning Guidance

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Project Highlights
Project Details
Project Highlights
喀麦隆

  • Cameroon's highest voltage level and largest 225kV transmission and distribution backbone grid project.

  • CYG SUNRI's benchmark project for large-scale hydroelectric power station transmission and transformation in Central Africa.

  • Complete set of secondary equipment operating stably, ensuring reliable power supply for the capital Yaoundé and the southern region.

  • Overcame harsh environments including tropical rainforests, swamps, and high temperature & humidity to achieve long-term stable operation.

  • Highly recognized by the Cameroonian power company and the POWERCHINA EPC contractor.

Project Details
This project is the supporting transmission project for the 211MW Memve'ele Hydroelectric Station in Cameroon and is a core backbone grid project for the national grid. CYG SUNRI was responsible for the complete secondary system for the 225kV substation, including the supply and system integration of full-station protection and measurement & control devices, telecontrol communication systems, and a background SCADA monitoring system.
The project traverses tropical rainforests, hills, and swampy areas, with harsh environmental conditions and complex construction circumstances. The project team strictly adhered to IEC international standards combined with local Cameroon grid specifications and successfully completed equipment factory testing, on-site commissioning, joint commissioning and grid connection, and operation and maintenance training, ensuring the safe, stable, and efficient transmission of the station's power into the national grid. Since its commissioning, the project has significantly improved the transmission capacity, power supply reliability, and intelligence level of the Cameroon power grid, becoming a model project for China-Africa power cooperation.
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