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CIGS manufacturing: Promises and reality

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By David Jimenez, President, Wright Williams & Kelly, Inc.

Economic issues are the driving forces behind PV adoption. Even technological advances are measured against their impacts on cost per watt, levelized cost of energy (LCOE), and total cost of ownership for energy (TCOe™). This sixth paper in a series covering business analysis for PV processes looks at two approaches to manufacturing thin-film copper-indium-gallium-diselenide (CIGS) PV – sputtering and co-evaporation – and their potential areas for cost improvement.

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There have been encouraging signs in recent months of changing fortunes for PV equipment suppliers after a difficult period of consolidation. Shipment figures, actual and forecast, have in many instances seen an upswing, as booming markets in Japan, China and the US continue to drive demand, even as some European markets continue to dwindle. It’s probably too early to call the beginnings of a new PV technology buy cycle, but it seems more a case of ‘when’ rather than ‘if ’ now, and analysts have pointed to mid-2014 as the likely point when supply and demand will be in some kind of equilibrium. Clearly the implication of this is that if demand continues to rise beyond this point, supply will have to keep up, so manufacturers will have to invest in new capacity.

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