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conventional systems when just environmental losses in the system are considered. When <br />including the energy gain from reflection, the efficiency of a tenK system is 20-40 percent higher <br />than a conventional system, which has been validated in comparisons against other <br />commercially deployed systems. <br />The RAIS-WAVE modules are certified by third-party agencies to all of the applicable standards, <br />including UL1703 and UL1741, and the stepped-pulse transformers are also certified to UL1741 <br />and other standards. All tenK equipment, including solar panels and inverters, carries a 25-year <br />limited product warranty and power production guarantee. <br />D. Layout <br />A preliminary layout showing the footprint of the proposed system is attached. <br />Structural Engineering <br />Sundial will subcontract with a licensed structural engineer for analysis of the Skate Center roof <br />area. The structural engineer will be required to stamp its review of the roof system's ability to <br />hold the weight of the solar and related equipment. The structural engineering review will be <br />completed for review by the City before the application for permits is made for construction. <br />F. Performance and Performance Monitoring <br />In addition to design and installation of the proposed system, Sundial will serve as the <br />Operations and Maintenance (O & M) contractor for the system during the term of the <br />proposed Power Purchase Agreement (PPA). Sundial will conduct a SAM analysis of the <br />proposed facility based on the site coordinates and equipment specifications of this proposal. <br />Annual estimates are listed below and Sundial will guarantee the following energy production <br />for any period in which it is contracted for O& M services, subject to adjustment based on <br />actual Typical Meteorological Year (TMY) data. <br />Year 1 <br />Year 2 <br />Year 3 <br />Year 4 <br />Year 5 <br />Year 6 <br />Year 7 <br />Year 8 <br />Year 9 <br />Year 10 <br />460,875 kWh <br />459,492 <br />458,114 <br />456, 740 <br />455,369 <br />454,003 <br />452,641 <br />451,283 <br />449,929 <br />448, 580 <br />Performance will be monitored on a continuous, real time basis by a web-based monitoring <br />system. The monitoring system will be available to the City at all times and can also be made <br />available for public education purposes through links from the City's official information website. <br />