Economic BenefitAnalysis Of The 10MW Ground Power Station
Condition: 10 mw power plant scale,Ⅲ resource area,effective utilization hours 1200 hours,260 watts photovoltaic modules, 4000 pieces photovoltaic panels per mw, electricity price 0.85 yuan perkilowatt-hour, robot maintenance costs by 3%.
| Project | Human cleaning | Robot cleaning | |||
| Light polution | Moderate pollution Heavy polluton | Light polution | Moderate pollution | Heavy polluton | |
| Lose power per year(%) | Western area 3-7% | Eastern area 3-5% | 5% | 8% | 10% |
| Promote power per year(Million KW) | —— | —— | 60 | 96 | 120 |
| Value of the power promotion per year(ten thousand yuan) | —— | —— | 51 | 82 | 102 |
| Equipment investment(ten thousand yuan) | —— | —— | 150 | 150 | 150 |
| Life time for the equipment(year) | —— | —— | 10 | 10 | 10 |
| Replacement costs of the equiment per year(ten thousand yuan) | —— | —— | 15 | 15 | 15 |
| Cost per cleaning(yuan/MW) | Western area 2000-6000 | Eastern area 4000-10000 | NO cost | ||
| Cleaning frequency per year(times/year) | 2-4 times | 365 times or according need | |||
| Cleaning cost per year(ten thousand yuan) | 12 | 18 | —— | —— | —— |
| Water usage to cleaning(ton/year) | 200 | 200 | —— | —— | no water |
| Cost of thel water(yuan/ton) | 1200 | 500 | no | no | no |
| Refund time for the investment(year) | —— | —— | 2.71 | 1.69 | 1.35 |
| Rate of return on investment(%) | —— | —— | 34% | 54.40% | 68% |
