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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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Jan

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Jun

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Aug

Sep

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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)

Coxtucson rackingstructure case study hr  
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