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 />
<strong>FINAL</strong> <strong>REPORT</strong>: September 2006<br />
Main Input Page<br />
MAIN INPUTS Values Units<br />
Pumping head: Select 100<br />
Daily pump volume 8.0<br />
Installation distance (adds to capital cost) 300<br />
Toggle for DRWS/PRIVATE system Private installation<br />
<strong>PV</strong>P Inputs<br />
<strong>PV</strong>P make: Select Lorentz PS series [230m]<br />
Multiple <strong>PV</strong>Ps 1<br />
Irradiance and tracking inputs 6kWh/m²/day with 0% tracking<br />
Daily solar irradiation 6.0<br />
Tracking array 0%<br />
<strong>PV</strong>P RESULTS<br />
Calculated array size 1,006<br />
Sub-system efficiency 48%<br />
<strong>PV</strong>P capex 80,535<br />
<strong>PV</strong>P opex 624<br />
<strong>PV</strong>P Life Cycle Cost 135,688<br />
<strong>PV</strong>P: Unit <strong>water</strong> cost 4.39<br />
Diesel Pump Inputs<br />
Existing diesel installation? No<br />
DP engine: Select Short life engine<br />
Pumping interval: Every 2<br />
Pumping hours per pump cycle 7<br />
Cost per litre of diesel 6.70<br />
Diesel price real escalation 4%<br />
Diesel Transport Inputs and Results<br />
Cost of fuel transport 816<br />
Distance to next nearest fuel depot 100<br />
Number of trips per year 6<br />
% contribution to trip costs for fuel transport 20%<br />
Cost of time 40<br />
Cost of transport to remote pump site 2,190<br />
Distance of operator to diesel pump 3<br />
% contribution to trip costs for starting of DP 50%<br />
Cost of time 40<br />
DIESEL PUMP RESULTS<br />
Resulting flowrate 2.29<br />
Engine size required 2.3<br />
Engine size selected 2.6<br />
Resulting fuel consumption 0.70<br />
System efficiency 10.7%<br />
Annual diesel consumption 894<br />
Annual diesel cost 5,991<br />
Diesel pump capex 43,281<br />
Diesel annual opex cost 8,997<br />
Diesel pump Life Cycle Cost 381,596<br />
DP: Unit <strong>water</strong> cost 12.34<br />
Carbon emission per annum 2.4<br />
Breakeven 2.5<br />
m<br />
m³/day<br />
km<br />
kWh/m²/day<br />
Wpeak<br />
N$<br />
N$/annum<br />
N$/project<br />
N$/m³<br />
day(s)<br />
hours<br />
N$/litre<br />
N$/pa<br />
km<br />
Trips pa<br />
N$/hour<br />
N$/pa<br />
km<br />
N$/hour<br />
m³/hour<br />
kW<br />
kW<br />
litres/hour<br />
litres/ann<br />
N$/pa<br />
N$<br />
N$/pa<br />
N$/project<br />
N$/m³<br />
tons/pa<br />
years<br />
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