AgdaPkt 2017-06-26 Closed and Joint SA PFA

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CITY OF REDWOOD CITY, CALIFORNIA Cost of Services (User Fee) Study Matrix Consulting Group Page 37 The project team worked with City staff to identify the total operating costs (maintenance, repair, electricity, replacement) associated with the charging stations, as well as any departmental or citywide overhead. The following table breaks out the total cost for the EV Charging Stations by direct cost, indirect cost, # of spaces, and the total cost per space. Category Amount Direct Cost $118,439 Indirect Cost (Departmental & Citywide) $12,910 TOTAL COST $131,349 # of Spaces 24 Annual Cost per Space $5,473 As the table above shows the annual cost per space is approximately $5,500. In order to obtain the cost per hour, the annual cost per space was divided by the annual charging hours that are available. The following table takes the annual cost per space and divides it by the annual hours available per space to arrive at the per hour rate for the EV Charging Station. Category Amount Annual Cost Per Space $5,473 Annual hours available 2,920 Cost / Hour $1.87 Based on the information in the table above the base cost per hour for the Electric Vehicle Charging Station is $1.87 per hour. The following table compares the current hourly rates to the full cost per unit. Fee Name Current Fee Total Cost Per Unit Surplus / (Deficit) Level II Charging Station $1.50 / hour $1.87 / hour $(0.37) / hour DC Fast Charging Station $5.00 / hour $4.264 / hour $0.74 / hour As the table above shows, the City is currently under-recovering its costs as it relates to the Level II Charging Station and slightly over-charging for the costs related to 4 The $4.26 / hour is based on taking the base hourly rate and multiplying it by the charging ratio between the two stations (500 V divided by 220 V). 7.A. - Page 49