Which backup keeps a Lockport basement dry when the power stays off?

Most Lockport outages are over in a few hours, and upstairs a house rides them out with flashlights and the fridge door kept shut. The basement is different. It is where a long outage turns into a repair bill, and it is the part of the house that decides which kind of backup you need, if any.

Why is the basement usually the reason a Lockport house needs backup power?

In most Lockport houses, the things that cannot wait for ComEd live downstairs. The sump pump, the ejector pit under a basement bathroom, the finished family room with carpet on the slab, and on the Lockport Township and Homer Glen lots the well pump. A few hours without power rarely hurts any of them. A day in a wet spring can. That is the case for a whole house generator, and also the case for something smaller.

The storms that cause the long ones, and why the lines along Route 53 and 159th go down, are covered on the generator page. What matters here is what your basement holds when they do. An unfinished basement with a bare floor drain and a sump that rarely runs is a different house from a finished one with a bedroom and a bathroom on an ejector, even on the same street.

So the useful question is what happens downstairs if the power is out through the night, and whether anybody is home to do something about it.

Where does a battery backup on the sump stop being enough?

A battery backup is a second pump in the sump pit with its own battery and charger. It is built for two things: the main pump failing, and a short outage. For either of those it is good insurance, and it starts by itself with nobody home. It runs out on the long outage, the one that lands during a week of April rain when the pit is filling fast.

It is also a plumbing job. A plumber or a waterproofing contractor sets the second pump and the check valve in the pit. The electrician is not usually part of it, beyond making sure the sump has its own circuit.

Where it falls short is scope as much as runtime. A battery unit covers the sump and nothing else. It does nothing for the ejector pit under the basement bathroom, the well pump, the furnace that keeps the basement from getting cold and damp in January, or the freezer down there with a season of meat in it. And once the battery is flat, it stays flat until the power comes back to recharge it.

For an unfinished basement where the pump runs a few times a year, a battery backup may be all the house ever needs. For a finished one, it is a good first layer, and the rest of the basement needs something more.

What does running a portable generator on an interlock take?

It asks for a person. An electrician installs an inlet box on the outside wall and an interlock on the panel, a sliding plate that keeps the main breaker and the generator breaker from ever being on together. That part is permanent and inspected. Everything after it is yours to do, every time the power drops.

Someone has to be home, or get home. They roll the generator out of the garage, set it well away from the doors and windows, run the cord to the inlet, start it, flip the main off and the generator breaker on, and then turn on the circuits it can carry, one at a time. The sump, the fridge, the furnace blower and a few lights are the usual list. Then somebody keeps it fueled, which on a two-day outage means a gas can run, maybe two, and checking the level before bed.

For a household that is usually home, with an unfinished basement or one where the sump is the only thing that truly matters, that is a workable deal. How much less it costs than a standby unit is on the generator page.

The weak spot is the outage that starts at 10 a.m. on a Tuesday with both adults at work, or the one that hits the week you are at the lake. The generator is sitting in the garage and the sump is on its battery.

How do a sump battery, a portable and a standby generator compare for a finished basement?

For a finished basement, the split is whether the backup starts with nobody home. A battery on the sump starts itself but carries only the sump, and not for long. A portable on an interlock carries more but needs someone there to run it. A standby unit on natural gas does both, which is why it is the biggest job of the three.

	Battery backup on the sump	Portable on an interlock	Standby on natural gas
Starts on its own	Yes, when the main pump stops or the power drops	No	Yes, within seconds of the outage
Someone has to be home	No, but it runs down on a long outage	Yes, to start it, switch the panel and refuel	No
What it carries	The sump only	The sump and the few circuits you choose at the panel	The circuits it was sized for, up to the whole house, until ComEd is back
Who installs it	A plumber or waterproofing contractor	An electrician for the inlet and interlock; you own the generator	An electrician for the transfer switch and wiring, a plumber for the gas line

The table leaves out price on purpose. The first two are the smaller jobs, and the standby figure is further down.

Which Lockport houses need the unit to start on its own?

The ones where nobody can be counted on to be home when the power drops, and the ones where the basement has more to lose than the sump. In those houses the automatic start is what matters, because a portable in the garage does nothing until someone gets back to it. The usual cases:

A finished basement with a bedroom in it. Someone sleeps down there, and water across the floor at 3 a.m. is not something a portable in the garage is going to prevent in time.
A basement bathroom on an ejector pit. When the ejector has no power, the bathroom is out of use for the length of the outage, and anything that goes down a drain upstairs that ties into it has nowhere to go. A sump battery does nothing for it.
The well-pump lots out in Lockport Township and on the Homer Glen side, where an outage also means no water in the house. That includes no water for the toilets.
A house that sits empty through the workday, or for a week at a time when you travel.
A sump that already cycles every few minutes through every April rain. If you can hear it kicking on through the floor during a normal storm, it will not sit quiet through a long outage in the same weather.

Plenty of the finished basements in the 159th Street subdivisions fit more than one of these. If the basement is being finished now, the sump and the ejector should already be on their own circuits as part of the basement wiring, which also makes them easy to put on a transfer switch later.

Two or more of those usually points to a standby unit, because the automatic start is the one thing the other two routes cannot give a house that is often empty.

What does the standby route cost, and can it go in two steps?

In Lockport, a standby unit runs $9,000 to $16,000 all in, covering the unit, the pad, the transfer switch and wiring, and the gas side. That is the full figure on what a standby generator costs installed. It can be split into two steps when a panel change is coming anyway.

The electrical side on its own, meaning the automatic transfer switch, the feeders and the disconnect, runs $2,200 to $4,500. It is the part that has to land at the panel, and a panel upgrade already has the panel open and the power off, which is why the generator page calls that the cheapest moment to do it. The unit, the pad and the gas line can follow the next spring, or the one after, once the budget is there.

The two-step route suits a finished basement over an old panel that has to go regardless. It does less for a house whose panel is fine. There the whole job usually goes in at once, with the electrician quoting the transfer switch and the unit on one estimate and the plumber’s gas line priced alongside it.