A Combined Geospatial Approach to Extension Planning of Wind Farms and Transmission Networks

Abstract

An integrated method for large-scale introduction of wind farms with the associated extension of the transmission grid and connection to existing access points was investigated. Simultaneous planning is needed as the location of the wind farm plays a key role in the cost of transmission network construction, and vice versa. A common geospatial platform was introduced. Candidate wind farm locations with suitable wind speeds and topographical features were selected, taking account of the minimum power capacity required. Transmission network extensions were then mapped, to provide connections to existing access points. Optimization of wind farm siting and transmission network topology was demonstrated.