Research Illustrates PV’s Solar Energy

[RenewableEnergyAccess.com] CIGS technology can be scaled up to large factory production volumes because of strong advantages in capital cost, manufacturing throughput and yield, according to a white paper presented at the 20th European Photovoltaic Solar Energy Conference and Exhibition in Barcelona, Spain, by John Tuttle, CEO of DayStar Technologies. The paper demonstrates how CIGS (copper, indium, gallium and selenium) solar cell technology on flexible metal substrates can be an alternative to silicon-wafer-based solar cells. Due to efficiencies and economies-of-scale, the authors claim the company’s photovoltaic foil can reach gigawatt-scale manufacturing using a continuous inline process, ultimately reaching estimated costs at approximately $1 per watt. Authors also call for vertical integration of production operations, examining a “solar city” concept that integrates each element of the supply chain in a single factory setting.

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