“…The cost of energy, which is the basic variable of second criterion, must be considered in the assessment. There have been a number of previous studies of location problems (Domschke and Drexl, 1985;Bhatnagar and Sohal, 2005). Several surveys of the applications of location models have been performed (Eiselt, 1992;Jacobsen and Madsen, 1980;Marks and Liebman, 1971;Wirasinghe and Waters, 1983;Hopmans, 1986;Kimes and Fitzsimmons, 1990;Huxley, 1982;Tryfos, 1986;Vasko et al, 1987;Hogan, 1990;Azadeh et al, 2008).…”