Integrated transmission and generation expansion planning considering safety constraints

Abstract

This paper presents a model for the integrated Transmission and Generation Expansion Planning (TGEP) considering security constraints. The proposed model combines the transmission network expansion (TNE) planning problem with the generation expansion planning (GEP) problem considering security constraints (N-1 criteria). The resulting problem (TGEP) is approached by means of a mixed integer linear programming model. The main contribution of the paper is the inclusion of security constraints in the TGEP. Results show that including small scale generation in the transmission network expansion planning reduces the number of lines and associated costs incurred in attending the expected demand. Tests were performed with the 6 bus Garver system as well as the IEEE 24 and 48 bus power systems showing the applicability of the proposed model.