Effects of Different Target Solar Fractions on Providing Heat Required for Space Heating, Sanitary Hot Water, and Swimming Pool in Iran: A Case Study in Cold Climate

Table 4

Results of economic analysis performed for the studied scenarios.

Scenario	Cost of energy ($/kWh)	NPV ($)	Capital return time (years)
Low	0.03	−885	12
Medium	0.029	−1303	11.7
High	0.028	−1801	11.4