Grid-Tied Commercial System
Solar Elevated Racking Structures Case Studies
Cox Solar Power Installation in Tucson, AZ
System Specifications System Power: 21kW PV Array: (120) 175W Panels Inverters: (1) 7kW (2) 6kW Parking Spots Covered: 18 Warranty: • 10 year Inverter warranty • 25 year Module limited warranty
This 21kW Elevated Solar Racking Structure was installed as a continuation of the partnership between Alpha and Cox to support Cox leadership in solar energy deployments in Arizona. The system will provide clean and low-cost power for onsite business operations for the next 20 to 25 years. Solar System Electricity Production
As one of three solar power installations
4000
commissioned at Cox Arizona locations so far this
3500
year, the 21kW Tucson system consists of 120
Kilowatt Hours
3000 2500
photovoltaic panels supported by an Elevated Solar
2000
Racking structure that was designed and installed
1500
by Alpha, covering 18 parking spots. The system will
1000
generate more than 32,000 kilowatt hours per year,
500
enough to power about 3 homes and prevent the
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* These estimates are based on thirty years of solar radiation data collected near Phoenix, AZ by the USA National Renewable Energy Laboratory. They represent long-term production estimates based on the size of the solar array, solar panel tilt and orientation. Actual production may vary, due to factors including, but not limited to, site-specific shading, and solar panel temperature.
emissions of more than 39,105lbs of CO2 per year. All PV systems deployed by Cox AZ include realtime performance monitoring systems that track and record performance data including power produced and metrics to energy offsets.
Cox Solar Power Installation in Tucson, AZ (Cont.)
Progression Photos
Site before construction
Construction complete in 45 days
Alpha coordinated all construction permitting and inspections
Required (1) 7kW inverter and (2) 6kW inverters
On-site project management
Required 120 PV modules
Created 18 covered parking spaces for Cox employees and customers
Will generate more than 32,000 kilowatt hours per year
Visible from the street, highlighting Cox’s renewable energy commitment
Alpha Energy United States Bellingham, Washington www.alpha.com Phoenix, Arizona
Tel: 360 647 2360 Fax: 360 671 4936 Tel: 602 997 1007 Fax: 623 249 7833
049-223-10-001 (03/10)