“…LMP methodology has been implemented or is under implementation at some independent system operators, for example: California ISO, PJM, New York ISO, ISO-New England, Midwest ISO, ERCOT, etc (Jun, 2006;Litvinov, 2006;Xie et al, 2006;Yong & Zuyi, 2006). Reference in (Gedra, 1999) gives a tutorial review of the use of optimal power flow approximation to calculate optimal locational prices and congestion costs. Many researchers have proposed various methodologies to assess locational marginal pricing under a competitive market.…”