Installation of 155 giant turbines at the wind farm is set for completion in a fortnight.
The airport's runway will be expanded from the current 1.5 km to 4 km.
The move sets the stage for the execution of the controversial road toll policy.
The contractor is finalising the erection of wall barriers along the bypass adjacent to Kibera.
The government is looking to raise close to Sh550bn to build 10,000 kilometres of roads.
The existing road infrastructure does not provide for bus lanes.
Kenya, Uganda, and Rwanda will each finance the sections of the line under their territories.
Decision was made after Kenya failed to raise 15% of the project cost.
Kinangop wind farm was expected to add 60.8 MW to the national grid.
Some of the major negative effects of the SGR on the Kenyan economy.