Various Scenarios PDPs were formulated in 3 scenarios for each load forecast. Totally, there are 9 scenarios as followings. Load Forecast : Base Case (B) Plan B1 : Least Cost Plan Plan B2 : Sub-Optimum Plan with Possible Coal-Fired Power Plants Plan B3 : Sub-Optimum Plan with Possible Coal-Fired Power Plants, 10 MTPA LNG Limitation and More Power Import from Neighboring Countries Load Forecast : Low Case (L) Plan L1-3 (Corresponding to Plan B1-3) Load Forecast : High Case (H) Plan H1-3 (Corresponding to Plan B1-3)