Effects of Water Resources Limitation on Capacity Expansion Planning of Power Generation: An Application of Multi-Objective Model under Uncertainty Conditions

Document Type : Original Article


1 PhD Candidate in Economics, Faculty of Managemnt and Economics, Shahid Bahonar University of Kerman

2 Associate Professor of Economics, Faculty of Managemnt and Economics, Shahid Bahonar University of Kerman, Kerman, Iran

3 Professor of Economics, Faculty of Managemnt and Economics, Shahid Bahonar University of Kerman, Kerman, Iran

4 Associate Professor of Electrical Engineering, Faculty of Engineering, Shahid Bahonar University of Kerman


The purpose of the present study is capacity expansion planning of power generation by simultaneously achieving economic and environmental objectives under uncertainty to meet electicity demand. Uncertainty in demand and power generation capacity factor (supply uncertainty) were expressed as a fuzzy set. Also, the effects of water resources limitation were investigated on power generation capacity expansion planning. Fuzzy multi-objective non-linear model was used for a case study of Kerman power generation capacity expansion planning system for a 12-year period with and without water resources limitation. The results show that water resource limitation will change the province power capacity expansion plan. Considering the water resources limitation, capacity of wind, gas-cycle combined and photovoltaic plants are increased 1000, 924.950 and 500 MW respectively during the planning horizon.The results of model without water resources limitation show that capacity of wind, hydro and coal fuel are increased 1000, 983.130 and 163.720 MW during planning horizon. Therefore, less power generation of coal fuel and hydro are suggested for area that are in critical conditions of water resources. The difference in results reveals the importance of integrated and comprehensive planning for the power generation capacity expansion.


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