20.10.2018 Views

knjiga solarna energija dobra

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

988 ECONOMIC ANALYSIS OF PV SYSTEMS<br />

2.5<br />

2.4<br />

$75/kg<br />

2.3<br />

12%<br />

2.2<br />

Required module price<br />

[1985$/Wp]<br />

2.1<br />

2<br />

1.9<br />

1.8<br />

1.7<br />

1.6<br />

$20/kg<br />

14 mils<br />

3 22%<br />

$8.07/m 2<br />

15%<br />

10 mils<br />

17%<br />

$13.46/m 2<br />

Base case values<br />

Module eff. 15%<br />

Silicon price $40/kg<br />

Glass price 10.76/m 2<br />

Wafer thk. 12 mils<br />

ROE 18%<br />

1.5<br />

40 60 80 100 120 140 160 180 200<br />

Percent of base case parameter values<br />

Module efficiency Silicon price Glass price Wafer thickness Return on equity<br />

Figure 21.4 Sensitivity of Czochralski required module price to selected parameters [3]. Copyright<br />

© 2002. Electric Power Research Institute. EPRI AP-4369. Photovoltaic Manufacturing Cost<br />

Analysis; A Required Price Approach, Vol. 1, 2. Reprinted with Permission<br />

2.6<br />

2.4<br />

Required module price<br />

[1985$/W p ]<br />

2.2<br />

2<br />

1.8<br />

1.6<br />

1.4<br />

1.2<br />

1<br />

0.8<br />

a-Si:H<br />

Dendritic<br />

web<br />

Czochralski<br />

500X<br />

concentrator<br />

a-Si:H/a-SiGe:H<br />

0.6<br />

5 7 9 11 13 15 17 19 21 23 25<br />

Module efficiency<br />

[%]<br />

Figure 21.5<br />

Effect of cell technology and efficiency on module price

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!