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Issue #209 December 2007
INTELLIGENT ENERGY SOLUTIONS
Solar-Powering the Circuit Cellar
Part 1: Preparing the Site
by Steve Ciarcia
Start | Getting Started | So, How Do I Describe this Project? | Location, Location, Location | The Solar Panels Are the System | What's Next | Sources & PDF
SYSTEM SPECS
System type: Batteryless, grid-tied, net-metering photovoltaic
Total system output: 10,760 W STC
Location: Connecticut
Electric production: 12,750 kWh per year, estimated production
Utility supplied electricity offset: 82%
Back-up electricity: Existing 14-kW diesel generator
Modules: 20 SunPower SPR-210-WHT 210-W STC modules and 32 SunPower SPR-205-BLK 205-W STC modules
Arrays: Two 16-panel pole-mounted arrays producing 3,280 W each and one 20-panel roof-mounted array producing 4,200 W
Inverters: Three total. Two SunPower SPR-3300x inverters and one SPR-5000x inverter. (Manufactured for SunPower by Xantrex Technology, Inc.)
System cost: Including tree removal and electrical items not included in the installation contract, and after deducting the CCEF rebate, the out-of-pocket cost for this PV system was about $60,000.
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