Solar PV water pumping study - FINAL REPORT ... - UNDP, Namibia
Solar PV water pumping study - FINAL REPORT ... - UNDP, Namibia
Solar PV water pumping study - FINAL REPORT ... - UNDP, Namibia
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Feasibility Assessment for the Replacement of Diesel Pumps with <strong>Solar</strong> Pumps<br />
Key results page<br />
Life Cycle Cost Comparison: Current result<br />
Life Cycle Cost [N$]<br />
500,000<br />
400,000<br />
300,000<br />
200,000<br />
100,000<br />
-<br />
<strong>Solar</strong> <strong>PV</strong> Water Pump<br />
Diesel Water Pump<br />
0 2 4 6 8 10 12 14 16 18 20<br />
Operating life [years]<br />
Breakeven occurs after 2.5 years<br />
<strong>FINAL</strong> <strong>REPORT</strong>: September 2006<br />
Scenario: Main outputs<br />
Head 100 m LCC UWC Power Efficiency<br />
Daily flow 8.0 m³/day [N$] [N$/m³] [%]<br />
RWS/PRIVATE Private installation <strong>Solar</strong> Pump 135,688 4.39 1,006 Wpeak 48.2% subsystem<br />
<strong>PV</strong>P selected Lorentz PS series [230m] Diesel Pump 381,596<br />
<strong>PV</strong>P quantity Single<br />
Irradiance 6 kWh/m²/day Savings 245,908<br />
Tracking 0% Factor: DP/<strong>PV</strong>P 2.8<br />
DP selected Short life engine<br />
DP interval 2 days<br />
DP hours 7 hours<br />
All-inclusive costs [N$]<br />
400,000<br />
350,000<br />
300,000<br />
250,000<br />
200,000<br />
150,000<br />
100,000<br />
50,000<br />
-<br />
12,480<br />
N$<br />
Replacement cost<br />
Maintenance cost<br />
Operating cost<br />
Initial cost<br />
21,686<br />
20,987<br />
80,535<br />
<strong>Solar</strong> Pump Diesel Pump<br />
19,994<br />
110,343<br />
179,950<br />
43,281<br />
12.34 2.6 kW 10.7% overall<br />
Page 59 of 76
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