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A standby generator is a permanently installed backup that powers your Winnipeg home automatically when the grid goes down, running on natural gas or propane and switching on through an automatic transfer switch within seconds. Installed, most home standby systems run between about $7,000 and $15,000, depending on size, fuel, and the electrical work involved.
For a city that gets summer storms and winter ice, backup power is a practical thing to think about, especially if an outage means a cold house or a flooded basement. This guide covers how standby generators work, how they compare to portable units, the transfer switch that makes them safe, and what a home system involves here.
| Standby generator | Portable generator | |
|---|---|---|
| How it works | Permanently installed, starts automatically when the power fails | Rolled out and started by hand during an outage |
| Fuel | Natural gas or propane, so it does not run dry | Gasoline, refilled by hand as it runs |
| Connection | Wired in through an automatic transfer switch | Needs a manual transfer switch or interlock to power the house safely |
| Typical installed cost | About $7,000 to $15,000 | A few hundred to a couple of thousand for the unit, plus a transfer switch |
What is a standby generator, and how does it work?
A standby generator sits outside the home like a central air unit and turns on by itself the moment the power drops. It runs on natural gas or propane piped to it, so it can run for as long as the outage lasts without anyone refuelling it. When utility power returns, it senses that and shuts itself back down. The piece that makes all of this automatic and safe is the transfer switch, which we come back to below.
Because it is wired permanently into the home, a standby generator is part installation and part electrical work. The unit and its fuel hookup are one side of the job, and the electrical connection and transfer switch, plus the permit, are the other. As electricians, that electrical side is what we handle.
Standby versus portable: which is right for you?
A standby generator suits homeowners who want power to come back on its own and stay on through a long outage, while a portable generator is a lower-cost option for someone willing to set it up and refuel it by hand. A portable unit costs far less up front and can run a few essentials, but you have to be home to start it, feed it gasoline every several hours, and it cannot power a whole house. A standby system costs more but asks nothing of you during the outage.
For a household that loses power and needs the furnace, the sump pump, and the fridge to keep running whether or not anyone is home, standby is usually the answer. For occasional, short outages where running an extension cord to a fridge is enough, a portable unit may do. Either way, connecting a generator to your home’s wiring safely requires a transfer switch.
Why you need a transfer switch
A transfer switch is what safely connects a generator to your home, and it is not optional. Plugging a generator straight into an outlet or wiring it into the panel without one, sometimes called backfeeding, is dangerous and against code. It can send power back out onto the utility lines and electrocute a Manitoba Hydro crew working to restore power, and it can wreck your generator and your home’s wiring when grid power comes back.
The transfer switch prevents that by disconnecting your home from the grid before it connects the generator. A standby system uses an automatic transfer switch that does this in seconds with no one touching it. A portable generator needs a manual transfer switch or an approved interlock installed at the panel so it can power household circuits without backfeeding. Installing that switch correctly is licensed electrical work, done under a City of Winnipeg permit and inspected, which is the part we do.
How big a generator do you need?
The size you need depends on whether you want to back up the whole house or just the essentials. A whole-home standby generator powers everything as if nothing happened, which is the most capacity and the most cost. An essential-circuits setup is smaller and more affordable, covering the things that matter most in a Winnipeg outage, the furnace, the sump pump, the fridge, and some lights, while leaving out big loads like central air.
We work out the size from a list of what you want running during an outage, then match the generator and the transfer switch to it. Right-sizing matters, because an undersized generator will trip under load and an oversized one is money spent on capacity you will not use. If your panel needs work to tie the system in cleanly, an electrical panel upgrade may be part of the plan.
Cost and what is involved in Winnipeg
Most installed home standby generators in Winnipeg fall between about $7,000 and $15,000, with the unit itself making up part of that and the install making up the rest. The variables are the size of the generator, the fuel connection, the transfer switch, and any panel work. These figures are for budgeting, so confirm the number with a local contractor who has seen your home and your panel.
The job brings together a couple of trades. A gas fitter handles the natural-gas connection, and we handle the electrical side, the transfer switch, the connection to your panel, the permit, and the inspection. We have done backup-power work across the city, including the established homes around St. James and East Kildonan, where an aging tree canopy and summer storms make outages a real consideration. Our guide on what an electrical inspection covers explains the inspection side that signs the work off.
Frequently asked questions
What does a standby generator cost in Winnipeg?
A fully installed home standby generator in Winnipeg typically runs between about $7,000 and $15,000, depending on the size of the unit, the fuel connection, the transfer switch, and any panel work needed. The generator itself is part of that cost and the installation is the rest. These are budgeting ranges, so confirm the figure with a contractor for your specific home.
Standby or portable generator, which is better?
A standby generator is better for automatic, hands-off backup that runs through a long outage on natural gas or propane, while a portable generator is a cheaper option you start and refuel by hand for short outages. Standby suits homes that need the furnace and sump pump running whether or not anyone is home. Both need a transfer switch to connect to the house safely.
Do you need a transfer switch for a generator?
Yes. A transfer switch is required to connect any generator to your home’s wiring safely, and it is what disconnects the house from the grid before the generator powers it. A standby system uses an automatic one, and a portable generator needs a manual transfer switch or an approved interlock. Skipping it and backfeeding power into the panel is dangerous and against code.
Can you plug a generator into your breaker box?
No, not without a proper transfer switch. Wiring a generator into the panel or plugging it into an outlet without a transfer switch, known as backfeeding, can send power onto the utility lines and electrocute a line worker, and it can damage your home and the generator when the grid comes back. A transfer switch installed by a licensed electrician is the safe and legal way to connect one.
What size generator do I need?
It depends on whether you want to power the whole home or just the essentials. A whole-home generator covers everything and costs the most, while an essential-circuits setup covers the furnace, sump pump, fridge, and some lights for less. The right size comes from listing what you want running during an outage, which an electrician matches to the generator and transfer switch.
Plan your backup power
If you are thinking about backup power for the next outage, we can size the system, install the transfer switch, and handle the electrical connection and permit. Learn more about our generator installation service.
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