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Solar System Installation

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Operations

Cleanup Objectives: Remove pesticides and carbon tetrachloride from ground water and soil on a 9-acre former industrial site

Green Remediation Strategy: Offset the high volume of utility-provided electricity required for long-term ground water extraction and treatment that began in 1995

• Installed a 5.7-kW photovoltaic (PV) system above the existing ground-water treatment building during 2007
• Contribute renewable energy for operation of 16 extraction wells used to treat water through three granular activated carbon vessels located in the treatment building

Results:

• Uses renewable energy to produce an estimated 8,500-9,000 kWh of electricity each year for the water treatment system
• Reduces the treatment system's consumption of grid electricity by approximately 5%, with corresponding reductions in air emissions
• Saves approximately $1,500 each year in utility costs, based on 2007 electricity costs
• Accommodates additional PV panels to be integrated in 2009, when an electrical resistance heating system begins removing volatile organic compounds from soil

Property End Use: Light industrial or office park

Point of Contact: Bonnie Arthur, U.S. EPA Region 9

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