Rooftop Solar PV CASE STUDY VELOSOLAR.COM Installment Time System Size ROI Payback Period Energy Savings 175KW 1.8 Years 57% Manheim Darlington Phase I Project Goals The Manheim Darlington complex is located adjacent to the Darlington Speedway where Nascar’s Darlington 500 is held each year on Labor Day weekend. Because there are no high rises or tall trees on or around the site, our engineers were faced with designing a ballasted racking system suitable for high wind loads of up to 120 MPH. This challenge was overcome by a specially designed ballast layout. In addition, we had to keep in mind an appropriately sized system which requires accurate utility data from the facility over the course of a year . Luckily our PowerEnfo meter had already been in place for well over 12 months w

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