Well number | W25 | W39 | W34 | W47 | |||||
---|---|---|---|---|---|---|---|---|---|
Period | Component | Quantity. | Cost (US$) | Quantity | Cost (US$) | Quantity | Cost (US$) | Quantity | Cost (US$) |
Added and replaced fifth year | PV panels | 182 | 87,143 | 173 | 82,857 | 158 | 75,714 | 85 | 40,000 |
Batteries | 73 | 68,571 | 69 | 65,714 | 63 | 60,000 | 34 | 32,857 | |
Inverters | – | – | – | – | |||||
Added and replaced tenth year | PV Panels | 127 | 57,143 | 120 | 54,286 | 111 | 50,000 | 60 | 27,143 |
Batteries | 51 | 45,714 | 48 | 42,857 | 45 | 41,429 | 24 | 21,429 | |
Inverters | – | – | – | – | |||||
Added and replaced 15th year | PV Panels | 73 | 31,429 | 69 | 30,000 | 62 | 27,143 | 34 | 14,286 |
Batteries | 1107 | 952,857 | 1427 | 1,228,571 | 1563 | 1,345,714 | 1504 | 1,295,714 | |
Inverters | 1 | 97,143 | 1 | 97,143 | 1 | 97,143 | 1 | 97,143 | |
Added and replaced 20th year | PV Panels | 53 | 25,714 | 51 | 21,429 | 47 | 18,571 | 24 | 10,000 |
Batteries | 21 | 17,143 | 20 | 17,143 | 19 | 15,714 | 9 | 7,143 | |
Inverters | – | 87,143 | – | 82,857 | – | – | – | – | |
Total present worth (US$) at i r = 1 % | 1,382,857 | 1,640,000 | 1,731,429 | 1,545,714 |