Overview
System type: Batteryless, grid-tied solar-electric
Location: Bellingham, Washington
Solar resource: 3.7 average daily peak sun-hours
Average monthly production: 762 KWH
Utility electricity offset annually: 50% of total consumed by primary residence and two rentals
Components
Modules: 48 Evergreen Spruce Line ES-190, 190 W STC, 26.7 Vmp
Array: Three arrays of 16 modules in series, 427.2 Vmp, 3,040 W STC, 9.12 KW total
Array installation: UniRac SolarMount rack with S-5! clamps, landscape orientation on south-facing roof, 18.5-degree tilt
Inverters: Three Xantrex GT5.0, 5 KW each, 600 VDC maximum input, 240–550 MPPT operating range, 240 VAC output
System performance metering: Onboard inverter meters; PV production meter and utility service meter for each system; inverter data cable installed for future data collection
