“…Optimal sizing of the system with different renewable sources based on availability and demand using various multi-objective functions are shown in [1], [2], [5]- [7], [9], [10], [15], [16], [18], [19], [22], [47], [48], [50], [51] but there are no provisions for exigencies. A business model to some extent is developed in [4], [5], [9], [11], [17], [21]- [23], [25], [28], [34], [52] but they either include spot market rate, cost of equipment's or capital cost but lacks the real time cost of equipment's, interest rate, incentive. the proposed model has all the factors according to the current market rates including capital cost, land, incentive, equipment's, current electricity rate, risk factor, GHG emissions.…”