Technical and economic study of two repowered wind farms in Bustelo and San Xoán, 24.7 MW and 15.84 MW respectively

This study describes the technical and economic aspects of the repowering process for the wind farms in Bustelo and S. Xoán, situated in the municipalities of Muras (Lugo) and As Pontes de García Rodríguez (A Coruña), Galicia, North-Western Spain. This process was the result of a growing demand for renewable energies, facilitated by the great potential of wind energy for Galicia . Both farms were set up in 1998. The other factors they have in common - the same type of machinery, their location and a shared substation- mean they can be studied together and independently.