Charging provision has moved from an amenity to an expectation for a lot of South Florida properties — condominium buildings, offices, retail sites and workplaces with fleet vehicles.
Installing it at that scale is a different project to putting a charger in a garage. The vehicles are the easy part; the supply, the metering and the ownership boundaries are where it gets decided.
Capacity comes first
Multiple chargers represent a large, sustained load added to a building that was designed without them. The first question is what the existing service can carry, and how much of it is genuinely spare once cooling load is accounted for.
The answer determines everything downstream: how many charging positions are viable, whether load management is needed, and whether the project requires a supply upgrade before any equipment is ordered.
Load management usually beats a bigger supply
Sizing a system for every charger running simultaneously at full output is expensive and almost always unnecessary — vehicles rarely all charge at once, and most sit connected far longer than they need to.
Load management distributes available capacity between active chargers, and can hold total demand below a set ceiling. It commonly makes a project viable on the existing supply, and it is a design decision made up front rather than added afterwards.
Who pays for the energy
This is the question that stalls the most projects, and it is not electrical.
- Metering per charging position, so users are billed for what they use
- A network platform handling authorization and billing
- Included in rent, service charges or as an employee benefit
- Free at retail sites, where the charger is there to attract visits
Each of these implies different equipment. Deciding the commercial model before the hardware avoids buying chargers that cannot support it.
Condominium buildings
Common in South Florida and the most involved case. Parking is usually common property, the supply serving it belongs to the association, and an owner cannot simply install equipment in a space they occupy but do not own.
Workable projects generally establish the association's position, the supply arrangement and the metering approach first, then design to that. Doing it in reverse produces a plan that cannot be approved and a resident who is out of pocket.
Plan the civil works, not just the electrics
In parking structures and lots, most of the cost and disruption is in getting supply to the spaces — containment, trenching, core drilling, making good.
- Route from the supply to the parking area, and what it has to pass through
- Protection for equipment in a live parking area, where vehicles will contact it eventually
- Drainage and flood exposure, which matters in this region more than most
- Space for the switchgear and any load-management equipment
Build in room for what comes next
Demand for charging positions tends to grow. Installing containment, capacity and cabling routes for more positions than are being fitted now is far cheaper during the first project than during the second.
The usual guidance is to make provision generously and fit equipment conservatively — the expensive part is the route and the supply, not the charger on the end of it.
Outdoor installations in this climate
Charging equipment in open parking is outdoor electrical equipment in a coastal environment. Enclosures, connections and cable management have to suit sun, humidity, driving rain and salt air.
Cable handling deserves particular thought in shared use, because cables in public parking get dropped, driven over and left in standing water. Equipment that manages the cable off the ground lasts materially longer.
Scoping a charging project
The useful first step is an assessment of the supply and the ownership boundaries, before any equipment decision is made.
KRW Electric is a licensed electrical contractor (EC13012832) serving South Florida. See our commercial electrical services, or get in touch.
Reviewed by Kyle White, KRW Electric Company LLC — licensed electrical contractor EC13012832.
