How to Safely Use a Portable Generator During an Outage

When the power goes out, most people scramble to get their portable generator running. They drag it out of the garage, run a few cords, and hope everything holds together. The truth is, that method can be unsafe and unreliable. As a Master Electrician, I’ve seen enough mistakes to know the difference between doing it “good enough” and doing it right. The good news is that with the right setup and a few simple steps, you can safely keep your home powered during any storm.

Placing Your Generator Safely

The very first step is where you put the generator. Placement is critical. Never run a generator inside your house, your garage, or even under a covered porch. Carbon monoxide builds up quickly, and it’s deadly. Always set the unit at least twenty feet away from your home with the exhaust facing away from doors, windows, and vents. A level, dry spot is best, so you’re not fighting with puddles or snow.

Checking Fuel and Oil

Before firing it up, take a minute to check fuel and oil. Gasoline models run best on fresh gas, and if your fuel has been sitting for more than a month or two, you’ll want to either add stabilizer or replace it. Propane models are a little easier to maintain, but you still want a full tank and a good valve. Don’t forget the oil. Running low can cause your generator to shut down or even damage the engine in the middle of an outage.

Connecting the Right Way

This is the step that separates a safe setup from a risky one. Too many people snake extension cords through windows and doors, trying to power appliances one at a time. Not only is it a hassle, but it’s also a fire and safety hazard. A proper generator hookup makes life much simpler. That means an outdoor inlet plug, an interlock kit in your panel, and a heavy-duty cord connecting the two. With this setup, your generator safely feeds your panel and gives you control over which circuits to run. It’s clean, it’s simple, and it’s the right way to do it — exactly what we install at Easy Gen.

Powering Up

Once everything’s connected, it’s time to bring the generator to life. Make sure your connections are secure, then open the fuel valve, set the choke if needed, and either pull the cord or hit the electric start. Let it run for a minute or two to warm up before putting any load on it. At your electrical panel, switch the main breaker off to disconnect utility power, slide the interlock, and turn on the generator breaker. From there, turn on your essential circuits one at a time — furnace, fridge, lights, and water pump if you’re on a well. This keeps the load manageable and prevents the generator from being overwhelmed.

Monitoring While It Runs

A generator isn’t something you should just start and forget. While it’s running, keep an eye on fuel and make sure everything sounds normal. Never refuel a hot generator — shut it down and let it cool before topping it off. Pay attention to what you’re powering, too. Essentials are fine, but heavy appliances like dryers, ovens, or multiple large pumps will push most generators beyond their limits.

Shutting Down Safely

When the grid comes back on, shutting down properly is just as important as starting up. Begin by switching off the circuits you had running. Then turn off the generator breaker, flip your main breaker back on, and restore utility power to your home. Outside, shut down the generator, disconnect the cord, and once it’s cooled, store it somewhere dry so it’s ready for the next storm.

Final Thoughts

A portable generator is one of the best tools you can have in New Hampshire when storms roll through. But like any tool, it’s only as good as the way you use it. With a proper hookup and a clear process, you’ll keep your heat, your fridge, and your lights going while everyone else is in the dark. That’s exactly why we do what we do at Easy Gen — giving homeowners a safe, reliable, and affordable way to stay powered up when it matters most.