Satz Residence
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Hillcrest, California 3,400WAC System Components: Modules:(22) Sharp ND-205U1 Inverter(s):See explanation Mounting: Flat roof tilt rack Mr. Satz was motivated to go green through solar power. Competing with multiple other vendors for the project, Mr. Satz chose Sullivan for their attention to detail and thoroughness throughout the contractor selection process. Originally we specified an inverter which we will simply call “Brand P”. At the time, the inverter was supposedly the most efficient on the market. In fact, the CEC listed it as the most efficient and the manufacturer solicited Sullivan Solar Power heavily to offer their product. With multiple parties stating the inverter was truly superior, we specified the inverter into this project and three others. After monitoring the site for three months we quickly discovered inverter line “P” was an inferior inverter. It did not turn on at all when it was cloudy and when it was on it’s efficiency was poor. Again we had a system approximately ¼ mile away that used an SMA inverter with the exact same modules. We found the other system was outperforming the Satz system by at least 10%. After monitoring the system further, we removed the “Brand P” inverters and replaced them at no cost to the owner. |
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