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Sep 7th, 2012
Record efficiency of Manz’s CIGS panels
The German high-tech engineering firm Manz has achieved a technological breakthrough: its integrated production line for CIGS thin-film solar panels, the Manz CIGSfab, can be used to manufacture solar panels that in the future, will supply power costing between 4 euro cents (Spain) and 8 euro cents (Germany) per kilowatt hour, depending on the location.
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  • High-tech engineering firm Manz sets world record for thin-film CIGS panels in production conditions with total panel efficiency of 14.6% (aperture area efficiency: 15.9%)
  • Efficient production technology used in Manz CIGSfab cuts manufacturing costs
  • Solar power now at similar cost level as electricity from fossil fuels, much cheaper than offshore wind, and competitive without subsidies

This means the cost of solar power is now at similar level as electricity from fossil power plants and is significantly less expensive than electricity from offshore wind parks. Manz's CIGS solar panel was manufactured on a mass production line, and with a total panel efficiency of 14.6% and an aperture efficiency of 15.9%, sets a world record for thin-film solar panels. This panel impressively surpassed both the world record for total panel efficiency held by the former cost leader for thin-film panels, First Solar, as well as the record for aperture efficiency held by MiaSolé. In addition, when it comes to efficiency, thin-film solar panels have now pulled even with polycrystalline solar panels.

The manufacturing costs possible using a CIGSfab production line with an annual capacity of 200 MW equal only $0.55 / Wp. In fact, these costs fall to below $0.40 / Wp in factories producing in the gigawatts. In comparison, Chinese crystalline solar cell manufacturers' production costs are close to $1 / Wp on average, and the lion's share are sold for less than the production costs.

And what's more, CIGS technology is nowhere near its limit – Manz's exclusive development partner, the Baden-Württemberg Center for Solar Energy and Hydrogen Research (ZSW), has already achieved an efficiency of 20.3 percent in a laboratory. The record-setting cell from First Solar in the CdTe segment only has an efficiency of 17.3%. As a result, out of all thin-film technologies CIGS has the greatest potential to further increase efficiency rates and cut costs.



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