Rising efficiencies and the plummeting cost of solar modules over the past few years, recent months notwithstanding, are leading innovators toward ideas that may look unusual in the current tracker-dominated world of large-scale solar parks. Advocates of the new approaches argue that they leave traditional models looking decidedly flat by comparison.
U.S. startup Erthos is convinced that by foregoing traditional racking systems and placing modules flat on the ground with only wires to hold them in place, it can achieve more than a 20% reduction in the levelized cost of electricity.
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