Developers who have installed three giant wind turbines in Rotherham’s green belt have admitted that they still do not know how effective they will be.
The three 95-metre tall structures at Loscar Common, Harthill, have taken less than a week to install.
A series of tests are currently being carried out by developers, south coast-based Cornwall Light and Power, ahead of the project’s first contributions to the national grid electricity supply.
The wind farm is expected to be fully operational by mid-September.
But this week a spokeswoman for CLP admitted that the productivity was still unknown and would not be made public for at least six months.
She said: “The amount of electricity produced will only become clear when the wind farm is fully operational.
“We know what potential the turbines have but, at the end of the day, production levels rely on the wind.”
The spokeswoman said that monthly reports on electricity production would be produced and quarterly updates released on the Ofgem website.
CLP claim on their company website that the Loscar Common wind farm will provide “a total installed capacity of 3.9 megawatts and generate around 9,224MWh (megawatt hours) of electricity each year.”
The Cornish energy firm gained planning permission when planners from Rotherham Borough Council rubber-stamped the project in 2005 amid widespread opposition.
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