Derwin Fawr, Pant Glas, Garndolbenmaen, Gwynedd, LL51 9LZ
Cyfnewid tri tyrbin gwynt presennol gyda tyrbinau newydd gyda diamedr o 30m, ar dyrrau 30m (i ganol y rotwr) gyda uchder blaen 45m, gyda sylfeini newydd a gwelliannau mynediad. Replacement of existing 3x wind turbines new 30m dia wind turbines, on 30m (to rotor centre) towers (45m tip height) with new foundations, and access improvements