Overview
System type: Off-grid, battery-based wind-electric
Location: Marengo, Wisconsin
Wind resource: 10 mph average wind speed
Production: 85 DC KWH per month, average
Wind Turbine & Tower
Turbine: Bergey XL.1, 24 VDC output
Rotor diameter: 8.2 ft.
Rated energy output: 150 KWH per month at 12 mph (5.4 m/s)
Rated peak power output: 1,000 W at 25 mph
Tower: 120 ft., Lake Michigan Wind & Sun, guyed, 4-in. tube
Energy Storage
Batteries: Eight Deka GC15G, 6 VDC nominal, 215 AH at 20-hr. rate, flooded lead-acid
Battery bank: 24 VDC nominal, 430 AH total
Balance of System
Wind turbine controller: Bergey XL.1 PowerCenter
Inverter: Xantrex DR2424, 2,400 W, 24 VDC nominal input, 120 VAC modified-square wave output
System performance metering: TriMetric battery monitor
