ITEM #1: SPECIFICATION FOR STANDALONE SOLAR CHARGING UNIT - CAR ONLY Solar charging unit is to be used to provide alternate current (AC) power to battery electric and plug-in hybrid vehicles and is to be hardwired for 24/7/365 use across citywide fleet operations. The solar charging unit must include all hardware and software required for a fully functional, portable, solar-powered EV charging system. Solar carports will not be tied to the grid, will use battery storage, and will be mobile. Charging Unit The City will provide the level 2 charging units to be used with the canopy. Solar charging unit Vendor should be ready to work with whichever charging unit vendor the City selects. Bidders are not to include the price of the charging unit in their response. Solar Unit The solar unit may take up no more than a standard parking space of 8’-6” x 18’- 0”. Edges of the unit should merge with the ground in a way that allows for ADA compliance. The solar unit must provide for standard 7’ minimum height clearance. The photovoltaic array system must generate a minimum of 4kW. The solar unit must also include a solar inverter, solar optimization system, integrated battery storage, mounting and cabling, and at least one 110V outlet with the option of including an additional USB port, all of which shall be under warranty for a minimum of five (5) years. Solar unit must either have motorized solar functioning to follow the sun’s path to ensure optimal energy intake or consist of bifacial panels to optimize solar ray intake from all angles. Motorized components of the solar unit must be covered and devoid of crevices that would allow for animal habitation, particularly nesting birds. The Vendor must supply netting or include protective covering for vulnerable parts, including but not limited to areas around the motor and battery. This is to ensure that open space for nesting wildlife is limited. Solar unit must include at least one 110V outlet in addition to the Level 2 charging unit. This 110V outlet must come with a door or cover to protect it from external elements. The EVSE must provide the ability for simultaneous use of the L2 EV charger and 110V outlet. The solar unit’s battery shall have no less than 30kWh of storage, and the unit must be able to run energy optimization management software to ensure the battery is not depleted upon the start of a charging sequence. The solar unit must have UL certifications for all applicable parts including, but not limited to the solar cells, storage battery, motors, CPU, etc.
