The boom will see Kenya joining the list of the fastest growing economies in Africa.
The wind farm comprises 365 turbines, each capable of generating 850 kilowatts of energy.
Bidders must demonstrate their ability to raise at least 70pc of construction costs.
The project will involve upgrading Outering Road from a single lane to a dual carriageway.
The Sh2 billion project has not been completed since May 2012.
Kura has advertised for a consultant to prepare a plan to ease traffic jams on city roads.
The project will cost an estimated Sh250 billion ($2.5 billion).
Local firms did not meet the financial threshold set by the government.
The facility, which will constitute 3,300 solar panels, will generate 1,256MWh a year.
The government is building 4,120km of roads countrywide.