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% |
|
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