Overview
System type: Batteryless, grid-tie PV
Location: Arcata, California
Solar resource: 4.4 average daily peak sun-hours
Production: 300 AC KWH per month
Utility electricity offset: 90+ percent
Photovoltaics
Modules: 16, Sharp, NT-185U1, 185 W STC, 36.21 Vmp
Array: Two 8-module series strings, 1,480 W STC each, 2,960 W STC total, 289.68 Vmp
PV DC disconnect: Square D HU361RB
AC disconnect: Cutler-Hammer DG-221-URB
Array installation: Direct Power & Water mounts installed on south-facing roof, 30-degree tilt
Balance of System
Inverter: SMA America Sunny Boy, SWR 2500U-SBD, 2,500 Wp, 600 VDC maximum DC input voltage, 234–550 VDC MPPT voltage window, 240 VAC output
System performance metering: Built-in inverter display and datalogging; utility KWH meter
