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Committee hears consultant on EV charging options for city garages
Summary
An engineering consultant briefed the committee on technical options, costs, business models and next steps for electric vehicle charging in Birmingham City garages; staff will supply garage-by-garage capacity assessments and a grant list for next steps.
The committee on [date not specified in transcript] heard a presentation from Eric Rettinger, an electrical engineer with Peter Basso Associates, on options for installing electric-vehicle (EV) chargers in the city's parking garages.
Rettinger said municipalities most commonly install level 2 chargers for public and workplace use and described level 1, level 2 and DC fast chargers as the three technical categories. “Level 2 is typically what most municipalities are installing,” he said, adding that DC fast chargers are much more expensive and usually deployed along freeway corridors.
The presentation focused on siting, costs and business models. Rettinger told the committee that installation costs for a level 2 charging unit typically range between about $5,000 and $10,000 per pedestal, depending on existing power availability and conduit runs. He said many installations use power-sharing systems so multiple ports can draw from the same service and the system can dynamically allocate amperage to vehicles that…
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