Again, if this is a lower wind speed location, how has the nearby Green Park turbine performed since it was installed?
PFR are suggesting in their latest literature on Rushy Mead that the turbines will have a load factor of 25%. This means that they are projected to deliver 25% of their theoretical maximum electricity generation output over the course of a year, and is a function of the obvious fact that it wont be windy all the time, or at times it will be too windy for the turbines to operate. The environmental benefit figures are based on four 2.5 megawatt turbines, operating with a 25% capacity factor; average household electricity use of 4478kWh per annum; and the electricity generated displacing electricity generated from CCGT / average fuel mix – approx. 430gCO2/kWh. (Source PFR update, June 2010) PFR are saying that four 2.5MW turbines, with 8,760 hours in a year, a 25% load factor and assuming that each house uses 4,478 kwh per year can meet the annual electricity needs of 4,890 homes. This 25% load factor is an interesting assumption when set against the Green Park turbines actual performance