Location: Mosier, Oregon
Solar resource: 3.9 average daily peak sun-hours
Heating & cooling system: Carrier Performance series, Energy Star-rated heat pump/air conditioning system
Electricity: 3.2 KW grid-tied PV system
Water heating: Solar, with electric backup
Average monthly production, PV system: 366 KWH
Average monthly production, SHW system: 208 KWH
Photovoltaic System Details
Modules: Sharp NE-170U1 or NT-180U1, 170 W or 180 W STC, 34.8 or 35.9 Vmp
Array (per housing unit): Two 9-module series strings, 3,240 W STC total, 323 Vmp
Array installation: UniRac SolarMount, on south-facing roofs, 14-degree tilt
Total PV installed capacity (entire complex): 86.7 KW
Inverters: PV Powered PVP2800 XV, 450 VDC maximum DC input voltage, 200-390 VDC MPPT voltage window, 240 VAC output
Solar Hot Water System
Collector: Sol-Reliant, 56 sq. ft.
Collector installation: Roof mount, south-facing, 14-degree tilt angle
Heat transfer fluid: Propylene glycol
Circulation pump: PV-powered Hartell HEH18
Storage tank: Rheem Solaraide 120-HE/1, 120 gal. (provides SHW storage and backup electric water heating); integrated heat exchanger
