1 SunPower 327W compared to a Conventional Panel on same sized arrays (260W, 16% efficient, approx. 1.6 m2), 3% more energy per watt (based on 3pty module characterization and PVSim), 0.75%/yr slower degradation (Campeau, Z. et al. "SunPower Module Degradation Rate," SunPower white paper, 2013).
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