The short version
For most First Coast homes, the physical installation of a whole-home standby generator takes about a day, sometimes into a second day on larger or trickier lots. What stretches the overall timeline is not the labor. It is the permit approval before the crew arrives and the inspection after they finish. If you understand the full sequence up front, install day itself feels calm and predictable.
Before the crew shows up
Everything starts with a site assessment. An installer visits your home, confirms the electrical load, checks your fuel supply, and walks the yard to pick a location that satisfies clearance from windows and doors, fuel routing, and any flood-elevation requirement for your lot. They size the unit to what you actually want to power, whether that is the whole house or a set of critical circuits.
From there, permits get filed. As covered in our guide to generator permitting on the First Coast, your address determines which office reviews the plans and how long approval takes. This waiting period is normal. Use it to clear the work area and confirm the install date. Nothing happens on your property until the permit is in hand.
What the crew does on install day
When the day arrives, a crew of a couple of technicians typically handles the full set of tasks. Here is the usual order of operations.
- Set the pad. They prepare and place the pad the generator sits on. On flood-zone or riverfront lots this may be an elevated pad sized to your base flood elevation. The unit is then set and anchored to meet Florida Building Code wind requirements, which on the coast can run in the 130 to 140 mph range.
- Install the transfer switch. The automatic transfer switch is mounted near your main electrical panel. This is the brain of the system. It watches for a power loss, starts the generator, and switches your home over, then switches back and shuts the unit down when the grid returns.
- Run the fuel connection. For natural gas, the crew ties into your gas supply. For propane, they connect to your tank and set the regulator. Fuel work is done under the proper license and to code.
- Make the electrical tie-in. They wire the generator to the transfer switch and the switch to your panel, landing the circuits you chose to back up.
Expect some noise, a parked work truck, and short interruptions to your power and possibly your gas while connections are made. Most homeowners carry on with their day.
What you need to do
Not much, which is the point. Make sure the crew can reach the install location and your electrical panel, move vehicles or patio items out of the way, and secure pets. Keep a phone handy in case the technician has a question about circuit priorities. Beyond that, the crew handles the work. You do not need to buy hardware or coordinate the trades yourself when you go through a licensed installer.
Commissioning and the load test
Setting the equipment is not the finish line. Before the job is considered complete, the installer commissions the system. They power it up, run the generator, and perform a load test to confirm it carries your home’s demand and that the transfer switch hands power back and forth cleanly. They also program the unit’s controller and set the schedule for its weekly self-test. This commissioning step is where a good installer earns their keep, because a generator that was never load-tested is a generator you are trusting sight unseen.
The inspection
After the install, the local jurisdiction inspects the work. Depending on your address, the electrical, gas or mechanical, and building portions may be inspected separately. The inspector verifies the anchoring, the clearances, the fuel connection, and the electrical tie-in. A licensed local installer schedules and meets these inspections for you and knows what each First Coast office looks for, which is a big reason installs done this way tend to pass the first time. Communities like Orange Park, Nocatee, and the Jacksonville area each route through their own offices, so local familiarity helps.
Living with it: the weekly self-test
Once you are commissioned and inspected, the generator largely takes care of itself. It runs a brief self-test on a schedule, usually weekly, to exercise the engine and confirm it is ready. You will hear it cycle for a few minutes and then go quiet. That short test is how the unit proves it will start the day a storm knocks out the grid. Beyond keeping up with routine maintenance and a fuel supply, there is nothing you have to do to keep it standing by.
Ready to start
River City Generators is a resource, not a contractor, and we do not post fake reviews. We connect you with one vetted, licensed local installer who handles the assessment, permits, install, commissioning, and inspection from start to finish. Begin on our home page to get matched, then review the permitting guide so you know what your county will require before install day arrives.