First opened in 1952, this airport has been renamed twice in the last couple of years; you may find that people and publications still refer to it by its previous names of Johannesburg International Airport or Jan Smuts. It is also known by the abbreviation ORTIA.
1 For example, the equipment cost for a 10 kW wind turbine costs roughly $40,000, while a 100-kW turbine can cost more than $350,000.2  According to Bergey.com, the average wind turbine can cost $48,000 to $65,000 to install. 3  The equipment costs alone will be around $40,000. For example, the equipment cost for a 10 kW wind turbine costs roughly $40,000, while a 100-kW turbine can cost more than $350,000.
Wind Turbines are the most efficient Renewable Energy Power Source, as long as you have enough wind speed in your areaâ¦ While Solar Panelâs price are around 3$ per watts, wind turbines cost around 1.75$ per watts, including the tower.onsidering that the turbine has the potential (depending upon wind quality at the site) to lower your electrical bill by 50% to 90%. Many homeowners may pay power bills of no more than $8 to $15 for about nine months of the year.