Table 4.
Details of costs and electricity production by PV panels and converters.
| Primary capital cost ($ millions) | 0.434 | 0.434 | 0.434 | 0.434 | 0.434 | 0.434 | 0.434 |
|---|---|---|---|---|---|---|---|
| Discount rate | 15 % | 7.5 % | 8 % | 10 % | 11.5 % | 13 % | 15 % |
| Net Present Cost ($ millions) | 0.511 | 0.537 | 0.533 | 0.529 | 0.522 | 0.519 | 0.511 |
| Operating cost($/yr) | 1742 | 2870 | 2716 | 2319 | 2132 | 1997 | 1742 |
With the discount rate of 15 %, which is currently used in Pakistan [39], Net Present Cost and operating cost is minimum. Hence, for the development of NZE village, NPC of 0.511 $million and 1742$/yr operating cost of the system is required.