Overview
System type: Off-grid, battery-based, PV and wind
Location: Hauser, Oregon
Solar resource: 4 average daily peak sun-hours
Production: 50 AC KWH per month
Photovoltaics
Modules: Two Sharp NE-165U1, 165 W STC, 34.6 Vmp, 24 VDC nominal, and two Sharp NT‑185U1, 185 W STC, 36.2 Vmp, 24 VDC nominal
Array: Two, two-module series strings, 700 W STC total, 69.2 Vmp, 48 VDC nominal
Array installation: Homemade mounts installed on south-facing roof, 40-degree tilt
Wind Turbine & Tower
Turbine: Air-X Marine
Rotor diameter: 46 inches (1.15 m)
Rated energy output: 38 DC KWH per month at 12 mph (5.4 m/s)
Rated peak power output: 400 W at 28 mph (12.5 m/s)
Tower: 30-foot homebuilt mast of 2-inch schedule 40 galvanized pipe
Energy Storage
Batteries: Eight Xantrex 1200-200, 12 VDC nominal, 200 AH at 20-hour rate, AGM
Battery bank: 48 VDC nominal, 400 AH total
Balance of System
PV charge controllers: Two Xantrex C40, 40 A, PWM
Inverter: Xantrex SW5548, 48 VDC nominal input, 120 VAC output
System performance metering: Bogart Engineering TriMetric