TRANSMISSION EXPANSION PLANNING IN RESTRUCTURED POWER SYSTEM: AN OVERVIEW

Abstract

Transmission expansion planning is experiencing significant change with the introduction of deregulation. It now involves a complex balancing of technical issues with the economical ones. The growing role of market forces dictates that transmission planning should be carefully redesigned to ensure compliance of new objectives and constraints in the market environment. Various conflicting issues need to be considered to fulfill new challenges. This paper organizes and classifies the existing transmission expansion planning strategies in both regulated and restructured environment, considering various economic and engineering issues and challenges by reviewing recent theoretical and practical developments in transmission investment and planning methodology.