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The U. S. Commercial PV Market has seen installed costs decrease 13.3% in 2012, largely due to module price declines. Enhanced returns on U. S. Commercial projects require looking beyond the module to all components within the system for cost reductions and energy harvesting enhancements. Power-One has commissioned a study with an industry leader in system design to compare the current predominant system architecture using 600V centralized inverters versus an approach based on the latest technology 1000V commercial string inverters. The study reveals that savings in capital costs can reach as high as 7% using 1000V commercial string inverters.
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