Hurricane Season Generator Prep: Columbia SC Homeowner Checklist

Atlantic hurricane season opens June 1 and runs through November 30. Columbia sits well inland, but the Midlands still loses power to tropical systems, summer thunderstorms, and the occasional ice storm every single year — and when a big one hits the coast, inland restoration can take days. The homeowners who ride those outages out comfortably are the ones who got their generator sorted in the spring, not the ones scrambling the day a storm enters the forecast. Here's the pre-season checklist we walk Columbia homeowners through.

Why Columbia loses power even though we're not on the coast

It's easy to assume hurricanes are a coastal problem. They're not. Hurricane Hugo came ashore near Charleston in 1989 and was still a destructive storm when it reached the Midlands hours later — it knocked out power across the Columbia area for days and reshaped a lot of local tree canopy. Since then, a steady stream of tropical depressions and remnant systems have tracked through or near the Midlands, and each one tends to do the same thing: saturate the ground, then bring down rain-softened trees and limbs onto power lines.

Add in our hard summer thunderstorms and the rare-but-real winter ice storm, and the picture is clear — Richland and Lexington county homeowners lose power more often than the "we're inland" assumption suggests. When a major hurricane strikes the coast, Dominion Energy concentrates crews on the hardest-hit areas first, and inland neighborhoods can wait days for restoration. A generator is simply the difference between an inconvenient afternoon and a spoiled fridge, a flooded crawlspace from a dead sump pump, or a medical device with no power.

Standby vs. portable: the decision that drives everything else

Before you buy fuel or flip a single switch, you need to know which kind of generator you're working with — because the prep, the cost, and the safety rules are different.

Portable generators

A portable is the budget option and works well for keeping essentials alive — refrigerator, freezer, well pump, a few lights, maybe a window AC. The catch is that you are the automatic transfer switch: you have to wheel it out, fuel it, start it, and manage it through the outage. And it must connect to your home through a manual transfer switch or a panel interlock — never by plugging into an outlet (more on why below).

Standby (automatic) generators

A whole-home standby generator is permanently installed beside the house, runs on natural gas or a large propane tank, and starts itself within seconds of an outage through an automatic transfer switch. You don't have to be home, awake, or even aware the power went out. For families with medical needs, frequent travelers, or anyone who'd rather not babysit a generator in the rain, standby is the better long-term answer — and it's what we install most around Lake Murray, Forest Acres, and the newer Blythewood and Lexington subdivisions.

The transfer switch: the piece most people skip

However you generate power, it has to get into your home safely. That's the job of a transfer switch. It isolates your home from the grid while the generator is running, so there's no path for power to backfeed onto utility lines, and it lets you cleanly power the circuits you've chosen. Automatic transfer switches do this for standby units in seconds; manual transfer switches and interlock kits do it for portables with a deliberate flip.

This is the single most-skipped step in DIY storm prep, and it's the one that gets people killed or starts fires. If your generator plan involves an extension cord and a hope, call us before hurricane season — installing a proper transfer switch or interlock is a same-day job for us and it's the foundation everything else sits on.

Your pre-season generator checklist

Work through this list now, while the weather is calm and parts and appointments are still available:

1. Run a test under load. Don't wait for the storm to find out it won't start. Start a portable and let it run a real load for 20–30 minutes. For a standby unit, confirm the weekly exercise cycle is actually running and listen for anything that sounds off.
2. Check and refresh fuel. Gasoline goes stale in a few months — drain old fuel from portables, refill with fresh, and add stabilizer. For propane standby units, check the tank level now and top it off; for natural gas units, confirm the supply valve is open and unobstructed.
3. Test the battery. A dead starting battery is the number-one reason a standby generator fails to fire when the lights go out. Batteries typically last 3 years — if yours is older, replace it before June.
4. Change the oil and filter. If the unit is due (or you can't remember the last time), do it now. This is part of every annual service we perform.
5. Clear the area. Make sure the generator's air intake and exhaust are clear of leaves, mulch, and stored items, and that nothing has been built or stacked too close to a standby unit since last season.
6. Know your critical circuits. Decide in advance what has to stay on — refrigerator, freezer, well or sump pump, HVAC, medical equipment, a few lights and outlets — and confirm your transfer switch actually covers them.
7. Stock the basics. Fresh fuel cans (stored safely away from the house), oil, the right extension cords for a portable, and a working flashlight kept where you can find it in the dark.
8. Book your annual service. Get a professional service on the calendar in spring. Once a named storm is in the forecast, every generator shop in the Midlands is booked solid.

Sizing: make sure it actually runs what you need

An undersized generator is a frustrating generator. Motor-driven loads — well pumps, sump pumps, refrigerator compressors, and especially central air conditioning — draw a big surge of current at startup, several times their running wattage. A portable in the 5,000–8,500 watt range typically covers the essentials and maybe one small AC unit. To run central air, an electric water heater, and the whole home automatically, most Columbia-area homes need a standby unit in the roughly 18–26 kW range.

The right size comes from a load calculation, not a guess off the box. When we quote a standby install, we calculate your home's actual demand on-site so you don't overpay for capacity you'll never use or, worse, buy a unit that trips off the moment the AC kicks on. Sizing also frequently surfaces a panel that needs attention first — if your home still has an older or undersized panel, we'll fold an electrical panel upgrade into the plan so the whole system works together.

Why "now" beats "when a storm is coming"

Standby generator installs aren't same-day jobs. There's a load calculation, a permit with Richland or Lexington County, a gas hookup to coordinate, and frequently a panel or transfer-switch upgrade — that's weeks of lead time in a normal stretch. The moment a named storm enters the forecast, two things happen at once: equipment sells out, and every electrician and generator shop in the Midlands fills their calendar. The homeowners who call in May get installed on a relaxed timeline. The ones who call when the cone of uncertainty points at South Carolina get added to a waitlist.

Even if you're not ready to install a whole-home unit this year, the smaller moves pay off: get a transfer switch or interlock installed so your portable is safe and legal to use, and book your standby service before the season opens. And if the power does go out and something isn't working the way it should, our 24/7 emergency electricians are a phone call away.

The bottom line for Columbia homeowners

Hurricane season is predictable on the calendar even when the storms aren't. June 1 is the starting gun. Spend a calm spring afternoon now — test your unit, refresh the fuel, check the battery, confirm your transfer switch, and book your service — and you'll spend the next outage comfortable while your neighbors are hunting for ice. Not sure where your setup stands? We're glad to walk through it with you.