Quick takeaway
Fleet EV charging needs enough electrical capacity, sometimes a panel upgrade, and the right number of chargers for your depot’s size and traffic. Poweral handles the site assessment, permitting, and utility coordination, so you don’t have to work any of this out yourself.
Electrical capacity, what gets checked first
Every fleet charging project starts with the same question: how much spare electrical capacity does the property already have? A site assessment looks at your incoming utility service and how much of it current building loads are using. This matters more for fleet sites than most other charging projects, because the numbers vary a lot by charger type.
Level 2 chargers draw somewhere around 7 to 19 kilowatts per port. DC fast chargers can draw anywhere from 50 to over 300 kilowatts per port. A depot planning several DC fast ports needs a meaningfully bigger electrical service than a lot doing overnight Level 2 charging for the same number of vehicles. This is also where charger hardware choice and infrastructure planning start to overlap: since most new commercial installations now use multi-connector equipment to serve both NACS and CCS1 vehicles, capacity planning has to account for that hardware from the start rather than being reworked later. More on that in the charger comparison guide.
Panel upgrades and make-ready work
“Make-ready” is the electrical work, conduit, wiring, sometimes a new transformer, that gets a site ready for chargers before installation day actually happens. Whether your property needs a panel upgrade comes down to how much spare capacity the existing service has left.
This step is usually the most expensive part of a fleet charging project. It’s also the part most state and utility rebate programs are built to cover, since utilities have a direct interest in getting more predictable charging load onto their grid. Utility rebate programs in states like New Jersey and California, for example, are specifically structured to offset make-ready and panel costs, not just the charger hardware itself. Poweral’s grant and rebate application assistance covers identifying and applying for whichever of these programs your property qualifies for.
How many chargers your site actually needs
This depends on three things: how big the depot is, how many vehicles use it, and how long those vehicles typically sit before their next route. A site where trucks return at night and leave the next morning can run on fewer, slower Level 2 ports, since there’s time for every vehicle to charge in sequence or in parallel across a modest number of chargers. A site with fast turnaround between routes needs fewer, more powerful DC fast ports instead, because the priority shifts from total charging capacity to charging speed per port.
There isn’t a fixed formula that works across every property. A ten-vehicle depot with overnight dwell time and a ten-vehicle depot with two-hour turnaround need completely different charger counts and types, even though the vehicle count is identical. The Level 2 vs. DC fast charging comparison walks through that tradeoff in more depth.
Permitting and utility coordination
Fleet charging projects usually need a local building permit and a utility interconnection application. Larger projects sometimes require utility infrastructure upgrades too, and those can take months to schedule, since the utility has to confirm there’s capacity available on its side of the meter, not just yours. This step is often the single biggest source of delay on a fleet charging project, more than the actual construction.
Poweral files and manages all of this directly as part of the installation service, rather than handing the property owner a list of agencies to call.
Keeping it running after installation
Once chargers are live, someone still has to watch uptime and catch hardware issues before they turn into a vehicle that can’t charge. Poweral’s ongoing maintenance and support covers this as part of the same agreement. It’s not billed as a separate cost.
Frequently asked questions
How long does an infrastructure assessment take?
Usually a few weeks from the initial site visit to a full report on capacity and cost. The biggest variable is how quickly the utility responds to the capacity inquiry, which can take longer than the assessment itself.
Does my property need a panel upgrade before we start?
Not always. It depends on how much spare capacity your property’s existing service has and how many chargers, and what type, the depot needs. The site assessment answers this before any installation cost gets discussed.
Who pays for make-ready electrical work?
The same rebate structure that funds the rest of the installation usually covers this too, since it’s the part utilities are most motivated to subsidize. Poweral confirms exactly what’s covered during the proposal stage, before any work starts.
Can my property add more chargers later if the fleet grows?
Yes, and it’s worth mentioning during the initial site assessment even if you don’t need the extra capacity yet. Planning the electrical service with room to expand is usually far cheaper than a second standalone upgrade down the line.
Next step
See how the full pillar overview ties infrastructure, charger type, and ownership together, or reach out directly to schedule a site assessment.