Overview
System type: Grid-direct solar- and wind-electric
Location: Bellemont, Arizona
Solar resource: 5.95 average daily peak sun-hours
Average monthly PV system production: 937 AC KWH
Utility electricity offset by PV system: 79%
Wind resource: 9 mph average wind speed
Average monthly wind system production: 170 AC KWH
Utility electricity offset by wind system: 14%
PV System
Modules: 40 Sharp ND-180U1, 180 W STC, 35.9 Vmp, 44.8 Voc
Array: 7.2 KW STC total, 287.2 Vmp, 358.4 Voc; subarray #1: three strings of 8 modules, 4,320 W STC, 287.2 Vmp, 358.4 Voc; subarray #2: two strings of 8 modules, 2,880 W, 287.2 Vmp, 358.4 Voc
Array installation: ProSolar rails mounted on south-facing carport frame, 20° tilt
Inverter #1: Sunny Boy SB 4000US, 4 KW, 600 VDC maximum input, 250–480 VDC MPPT range, 240 VAC output
Inverter #2: Sunny Boy SB 3000US, 3 KW, 500 VDC maximum input, 200–400 VDC MPPT range, 240 VAC output
System performance metering: Two Itron Centron CL200 KWH meters
Wind System
Turbine: Southwest Windpower Skystream 3.7
Rotor diameter: 12 ft.
Rated energy output: 800 AC KWH per month at 21.2 mph (9.5 m/s)
Tower: Southwest Windpower, 33.5 ft., monopole (guyless)
Wind turbine controller/inverter: Integrated in turbine, 240 VAC grid-synchronous output
System performance metering: Itron Centron CL200 KWH meter
