Ngong 1 phase I

Installed capacity: 6 x 850kW
Year of commissioning: 2009
Engineer: Vestas, Netherlands
Turbine type: Vestas V52-850kW
Turbine manufacturer: Vestas
Generator manufacturer: ABB
Contractor: TPF Econola (Main), Malta Forest (Civil)
Hub height: 49m

Ngong 1 phase II

Installed capacity: 8 x 850kW
Year of commissioning: 2013
Engineer: Vestas, Netherlands
Turbine type: Vestas V52-850kW
Turbine manufacturer: Vestas
Generator manufacturer: ABB
Contractor: TPF Econola (Main), Malta Forest (Civil)
Hub height: 49m

Ngong phase II

Installed capacity: 16 x 850kW
Year of commissioning: 2013
Engineer: Siemens-Gamesa, Spain
Turbine type: Gamesa AG-850kW
Turbine manufacturer: Gamesa
Generator manufacturer: Gamesa
Contractor: Iberdrolla-Gamesa consortium
Hub height: 55m

Ngong Wind farm, located in Kajiado County on the northern part of Ngong Hills, consists of thirty wind turbines having a total installed capacity of 25.5MW. The wind turbines generate power at 690V which is stepped up 11kV to the substation and further stepped up by power transformers to 66kV into the national grid. The station has three power transformers.