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City of South Bend, IN – Department of Public Works <br />RFQ Response: Guaranteed Energy Savings Contract <br /> Page | 8 <br />Technical Approach <br />NEEDS AND SOLUTIONS <br />City of South Bend Indiana has reached out to Veregy to provide proposals for the installation <br />of solar generation systems at the Wastewater Treatment Plant, and other energy saving <br />measures. South Bend has a resident solar panel manufacturer, Crossroads Solar (1901 N. <br />Bendix Drive, South Bend, IN 46628) that manufactures quality solar modules. We have <br />modeled the use of their panels and recommend entertaining the use of their product assuming <br />they meet warranty and production guidelines set forth by Veregy for the benefit of our customer. <br />Veregy hires local contractors for all construction activities; our development team has been in <br />contact with K2 Power Solutions (4335 Meghan Beeler Court, South Bend, IN 46628), and we <br />look forward to working with them on this project. <br /> <br />Dewatering Building <br />Veregy recommends installing ground mounted <br />solar arrays to maximize space available South of <br />the dewatering facility. The solar produced <br />electricity will also provide a positive cash flow by <br />offsetting purchases from the utility for the energy <br />consumed at the plant. <br /> <br />Veregy has worked with the WWTP leadership to <br />find the best locations for solar arrays. This brought <br />us to the sizing portion of design. The ground layout <br />was replicated in our solar design software <br />Helioscope along with fencing, trees or other <br />objects that could cause shading. Site visits <br />confirmed this layout and allowed us to examine <br />the electrical infrastructure in place. From here the <br />interconnection to the electrical utility was looked <br />at for a best practice way of connecting to the grid. <br /> <br />After the maximum amount of solar was placed on <br />the ground, the design was optimized. The <br />projected electric generation from this was <br />compared to the present consumption. The table <br />above summarizes our findings, and the layout for <br />the array can be found to the right. Further <br />information about the design can be found in the <br />Appendix. <br /> <br /> <br /> <br />Dewatering Solar Arrays <br /> <br />South Bend WWTP – Dewatering <br />Building <br />3113 Riverside Drive, South Bend, IN <br />Solar Array Size 360 kW AC <br />Annual Electric <br />Production <br />601 MWh <br />Existing Annual <br />Consumption <br />928 MWh <br />Portion Offset by Solar 64%