DOW's CIGS was pretty garbage compared to Certainteed's Apollo II system, which achieved 13.2% efficiency. [1] There are also up-and-coming competitors such as

DOW's CIGS was pretty garbage compared to Certainteed's Apollo II system, which achieved 13.2% efficiency. [1] There are also up-and-coming competitors such as SunTegra that hit 14.6% [2]. It seems like asthetic options and possibly efficiency improvements is what will set this apart from previous stumblings in this space. We'll see how this looks in the real world! [1]http://www.solarelectricsupply.com/apollo-ii-solar-roofing-system-monocrystalline-panel http://www.solarelectricsupply.com/apollo-ii-solar-roofing-s... [2]http://www.suntegrasolar.com/suntegra-tiles http://www.suntegrasolar.com/suntegra-tiles