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. Obstructions that are not on the roof (e.g., trees, telephone poles, radio towers, <br /> neighboring buildings or topo graphy, etc.). <br /> Task 2.1.5: Generation Potential <br /> Energy Solutions shall develop a com prehensive estimate of the proposed system's hourly <br /> generation potential per calendar month for the first year of operations and the likely using the <br /> associated annual CO2 reductions. To calculate hourly generation estimates Energy Solutions <br /> will likely use NREL's PV WattsTM Grid Data calculator loaded with system efficiency values <br /> obtained from PV*Sol system modeling tool and site shading values obtained through Solmetric <br /> SunEye readings. <br /> Energy Solutions shall also estimate the lifetime (25-year) generation potential of the <br /> recommended system, taking into account realistic assumptions regarding system degradation. <br /> This generation potential will represent the anticipated electricity usage savings over this period. <br /> TASK 2.2: Electrical and Structural A nalysis <br /> Energy Solutions shall evaluate the electrical and structural f easibility of installing the <br /> recommended system at each site. Note that the evaluation of the site's energy usage in order <br /> to optimize the recommended system was included in Task 2.1. <br /> Task 2.2.1: Electrical Evaluation <br /> Energy Solutions shall evaluate the existi ng electrical system at each site, including voltage, <br /> phase and wiring, busbar rating, and existing unused space on the service panel; note whether <br /> a TOU meter already exists at the site; identify possible inverter locations; and determ ine the <br /> distance between area where PV modules will be located and inverter location and electrical <br /> interconnection poi nt. <br /> The Final Report shall include the following: <br /> . Discussion of the feasibility of connecting a PV system to the existing electrical system, <br /> including recommendations on any necessary infrastructure upgrades and estimates for <br /> associated costs. <br /> • Site map indicating recommended locations for the system and associated components. <br /> • Photos of the proposed locations f or each com ponent. <br /> . A determination of whether a TOU meter must be installed at the site in order to <br /> produce a TOU load prof ile. <br /> Task 2.2.2: Structural Evaluation <br /> Energy Solutions shall also evaluate the structural integrity of the proposed mounting surface, <br /> including a preliminary determination of whether the surface is strong enough to accom modate <br /> the projected load of the PV system, including wind loading, in compliance with the Uniform <br /> Building Code and locally adopted structural requirements. <br /> ATTY/AGR/2012.091/ENERGY SOLUTIONS <br /> REV:07-23-12 VR <br /> Page 14 of 22 <br />