CuInxGa(1-x)Se2 Solar Cells
Integrated Photovoltaics
  • Combine solar cells and roofing material
  • Integrated wiring
  • 1 micron of CIGS semiconductor material
  • Delivers up to 20% conversion efficiency
  • Uses 1/100 of the material and 1/3 production energy of Si solar cells
  • Every $1 spent gives $4 back in energy savings (25 year life)

  • Dow Powerhouse Solar Shingle (2016)
    https://rgspowerhouse.com (2018)