Erg has obtained the authorization to increase capacity of the 48MW Sandy Knowe wind project to 90MW and the capacity of Creag Riabhach to 92MW, from 79MW. The wind farms will have a combined expected production of about 512 GWh/yr, and the total investment cost will be €214mn. The first 50MW of Sandy Knowe is scheduled to be completed by the end of 2021 while remaining capacity is expected by the first half of 2023. The deadline for the Creag Riabhach project is settled for the end of 2022, ERG said.