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To perform our energy analysis, we use PVSyst, the industry -standard solar PV generation software. For the dozens of inputs and assumptions that are used in a PVSyst energy model, we selected those which we believe represent the most typical conditions for the project -specific design and location. For irradiance/weather data, we utilized Clean Power Research's Solar Anywhere dataset, which provides industry -leading, satellite - based irradiance. SolarAnywhere enables us to pull site -specific weather data, which has been shown to be more accurate than other typical irradiance sources. Proven modeling methods for calculating snow and soiling losses are used to determine appropriate values and align with the requirement for project finance. In addition to site layout characteristics (tilt angle, ground coverage ratio, etc.), we use site -specific climate data, including temperature, humidity, and precipitation to determine monthly snow and soiling losses. Other losses, such as module quality, light induced degradation, mismatch, and incident angle modifier were chosen based on the module and system design specifications. We have included a 1 % unavailability loss to account for project downtime, including planned Image: City of South Bend Roof Top Array and unplanned inverter downtime. By performing these detailed steps, Ameresco can ensure that the City has a fixed price, turnkey project that best suits its needs. While an allowance has been included at this time for pricing purposes, Ameresco's process guarantees that the final fixed price will be sufficient to meet the needs of the City. b. Describe your approach to selecting technologies and strategies for solar energy performance contracts. Ameresco's comprehensive approach to managing an ESPC is designed to ensure that we deliver the maximum value for the lowest possible cost. We have suggestions for providing this value proposition, but it is our policy to present the pros and cons of various options to our customers who then have the flexibility to choose their path forward. Our approach ensures that City of South Bend will have access to information that will allow them to select the means to meet all of their unique demands. In turn, this process ensures that Ameresco delivers a targeted and cost-effective project. City of South IBend -- August 27, 2019 27 9. Technical Approach "Pacts, content is subject to Cnnficlent.iality Restrictions"