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> Renewable Energy > Thin-Film Technology > Introduction to Thin-Film PV
Introduction to Thin-Film PV
Welantech¡¯s CIGS Turnkey Solution
a-Si Thin-Film Technology
Thin-Film PV Turn-Key Solution
Some facts about the solar industry:
2 main technologies: wafer-based & thin-film
Solar is not competitive with standard electricity rates
$1 per watt production cost, key to market sustainability
Electricity market using solar: < 0.1%
Solar market = 50% annual growth
Comparison of PV Technologies:
1.
Traditional Silicon based PV
a.
High module efficiency
b.
Low BOS cost
c.
No degradation
d.
High cost of poly-si
2.
Thin-Film PV
a.
Low manufacturing cost
b.
Lower $/kWh
c.
Attractive physical appearance
d.
Light weight modules
e.
Potential production cost of $1/watt
Thin-Film Technologies:
a.
Amorphous Silicon:
Proven technology
Flexible substrate
b.
CIGS
No degradation
Highest efficiency
Flexible substrate
c.
CdTe
Low production cost
Toxic substance during production
.
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