12.9 kW Installation for Home in Southern Illinois

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This Illinois homeowner put 30 Q-Cell 430W panels to work on their barn roof, and the numbers speak for themselves. The 12.9 kW system is projected to generate 330,648 kWh over 25 years, offsetting over 630,000 lbs of CO2 and the equivalent of more than 728,000 miles worth of driving. It’s a clean, straightforward rooftop investment that pays dividends for decades, and keeps doing so long after the panels go up.

Project At A Glance

Location: Southern Illinois
Completed: 2025
Modules: Q-Cells
Size: 12.9 kW
Type of Installation: Roof-mounted
Environmental Benefits Over 25 Years:
  • CO2 savings: 630,296 lbs
  • Equivalent CO2 in miles driven: 728,055
  • Equivalent CO2 of 317,579 lbs of coal burned.
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