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<br />Electric Vehicle Transition Plan & Charging Infrastructure Evaluation for County Fleet <br />Price Proposal <br />RFQ 367-OC5463 <br />December 23, 2025 <br /> <br />Use or disclosure of data contained on this sheet is subject to the restrictions on the title page of this proposal 12 <br /> <br />• Charge Management: Recommending solutions for charge management software and hardware <br />to maximize the amount of charging done on off-peak rates and reduce peak rate charging costs. <br />• Permits: Estimating a high-level cost for obtaining any required permits for the installation and <br />operation of charging stations. <br />• Labor and Installation: Estimating the labor costs and expenses related to the installation of the <br />entire charging infrastructure. <br />• Load Profile: Providing an estimated load profile for the chargers being proposed for each Point - <br />of-Service based on the projected use in alignment with our proposed vehicle procurement <br />schedule. <br />• Vehicle to Grid: Evaluate options for taking advantage of the large network of electric vehicles as <br />a backup power solution during outages or periods of high -power consumption. <br />Upon completing the evaluations, the ICF team will compile and consolidate all the associated costs for <br />each facility that has been assessed. A simplified illustration of our methodology to electrical infrastructure <br />assessment is shown in Exhibit 6. <br />Exhibit 6. ICF's Process for Site-Level and Utility-Level Infrastructure Needs Assessment <br />Moreover, our team can also assess and recommend solutions for integrating solar power and battery <br />energy storage based on the peak EV charging load at each facility. Solar power system costs are <br />generally calculated on a per-watt basis, while battery storage costs are estimated based on the required <br />kilowatt-hour capacity. This includes a comparison between grid-connected and micro-grid solutions with <br />microgrids offering much greater security during outages in exchange for a higher cost. <br />Task 2 Deliverables <br />• A memo containing charging infrastructure cost assessment, including the required utility upgrades <br />required to support the fleet, along with an estimate of the eventual transformer capacity needed at <br />each site. (Task 2) <br />Docusign Envelope ID: 2559C90D-4549-45D0-8554-7958990EE7B9