Overview
Project name: Metzler residence
System type: Batteryless, grid-tied solar-electric
Installer: Nunatak Alternative Energy Solutions
Date Commissioned: September 2011
Location: Pitkin, Colorado
Latitude: 38.6°
Solar resource: 5.1 average daily peak sun-hours
Lowest expected ambient temperature: -23.8°F
Average high temperature: 82.4°F
Average monthly production: 1,298 AC kWh
Utility electricity offset annually: 100%
PV System Components
Modules: 44 REC 235PE, 235 W STC, 29.5 Vmp, 8.06 Imp, 36.6 Voc, 8.66 Isc
Array: Two subarrays of two, 11-module series strings, 5,170 W STC each (10,340 W total), 324.5 Vmp, 16.12 Imp, 402.6 Voc, 17.32 Isc
Array installation: DPW mounts on 220°-facing roof, 22° tilt
Inverter: Two PVI-5000-OUTD-S-US, 5 kW rated output, 600 VDC maximum input, 200 – 530 VDC MPPT operating range, 240 VAC output
System performance metering: Itron Centron digital meter, type C1S, 240 V
