Overview
System type: Batteryless, grid-tie solar-electric
Location: Milwaukee, Wisconsin
Solar resource: 4.5 average daily peak sun-hours
Production: 358 AC KWH per month (first 11 months of operation)
Utility electricity offset: 29 percent
Photovoltaics
Modules: 18 Kyocera KC200GT, 200 W STC, 26.3 Vmp
Array: Two 9-module series strings, 3,600 W STC total, 236.7 Vmp
Array installation: UniRac mounts installed on south-facing roof, 40-degree tilt
Balance of System
Inverter: Power-One (formerly Magnetek) Aurora PVI-3600-US, 600 VDC maximum input voltage, 90–530 VDC MPPT voltage window, 240 VAC output
System performance metering: PC-based inverter monitoring with custom code for Linux operating system
