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A-Si thin-film solar module is your best choice on energy

A-Si thin-film solar module is your best choice on energy
company Weihai China Glass Solar Co., Ltd
Update2011-03-30
Original RegionChina
A-Si thin-film solar module is your best choice on energy

A-Si thin-film solar module is your best choice on energy1. Lower cost
(1)Producing 1MW of crystalline silicon solar cells consume 10 - 12 tons of high-purity silicon. To consume the same quantity of silicon a-Si modules have to exceed 200MW.
(2)Energy pay-back time
EPT:
a-Si modules≈1.6 year
c-silicon PV module2.2 year
(3)30% more power from a-Si modules with the same budget.
2. More power from a-Si
(1)Better performance at higher temperatures
Pmeffec. = Pm[1 + a
T - 25]Here: a -- the power temperature coefficient of the module
Amorphous Silicon:a≈ -0.19%
Crystalline Silicon:Pmeffec.=1000W ×[1-0.5%
60 -25] =825W
Amorphous Silicon:Pmeffec.=1000W ×[1 -0.19%
60 -25] =933.5W
a-Si modules are performing 13% better than crystalline!
(2)Low light conditionsIf a crystalline panel is shadowed 1/10 of its area, the power loss will be 50%, while for a-Si PV modules, it will be only 10%. So it’s much better to integrate a-Si PV modules if as an example building is shadowed unavoidably.

3. Better spectral response

4. More solid color

Effects comparison between crystalline silicon module and a-Si module

5. Transparency

Transparency range from 1% to 15%

6. Sunshading (G -Value)The energy transmission of the sun spectrum is represented by the G-value. The smaller G-value is, the better the sun shading effect is.

G-value

Single layer glass

80%

Double-layer glass without coating

A-Si thin-film solar module is your best choice on energy on sale

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