“…TSO must manage a trade-off between the willingness to guarantee security of supply and the need to contain costs. , 1999), (RUIZ, P.A., Sauer, P.W., 2008), (STREIFFERT, D., 1995). They require the estimation of the probability and amount of load shedding for different system conditions, which represents a possible difficulty (MOYA, O.E., 2005).…”