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Electrical panel replacement in Saint-Hubert
About five hours without power; the price is in the written quote, free of charge. We handle the Hydro-Québec and municipal steps.
In Saint-Hubert, replacing a 200 A electrical panel takes one day and leaves you without power for about 5 hours; the price is in the written quote, free of charge. Only a master electrician who is a CMEQ member can do the work: the law forbids the owner from doing it, even at home.
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Why are so many panels running out of steam in Saint-Hubert?
Saint-Hubert is a borough of Longueuil, and the largest one. Longueuil, which it is part of, has 113,085 private dwellings, of which 62,550 — 55% — were built before 1981 according to the 2021 census.
Saint-Hubert grew around its airport and its main roads, mostly from the 1950s and 1960s: bungalows, wide lots, and a 100 amp panel that seemed generous when homes were heated with oil.
Sixty years later, these same houses have a heat pump, a finished basement, sometimes a heated pool, and more and more often an electric car in the driveway. The panel never moved.
Which amperage for which house?
| Panel | What it supports | The sign it’s no longer enough |
|---|---|---|
| 60 A | A house built before 1960, oil or gas heating, no large appliances | No free space left, and an insurer asking questions at renewal |
| 100 A | A house from the 1960s to 1990s still as it was built | A breaker that trips when two appliances start together, or no room for a charger |
| 200 A | Today’s standard: electric heating, heat pump, EV charger | — |
| 320 to 400 A | Large house, or charger + heat pump + spa + workshop | — |
Fuses, breakers, and the panels to watch
In a Saint-Hubert bungalow, four situations come up again and again.
| What you have | How to recognize it | What it means |
|---|---|---|
| Fuse box | Round screw-in fuses | Several insurers refuse it or charge more. Common in homes built before 1960. |
| Full 100 A panel | No free space, stacked double breakers | Nothing is broken, but nothing more can be added. Upgrade to 200 A. |
| Federal Pioneer Stab-Lok | Brand written on the door | Breaker reliability disputed for decades. Have it looked at. |
| One panel per unit | Duplex and triplex: each unit has its own, plus a service panel | The replacement is planned unit by unit, and the power cut is coordinated with the tenants. |
How does it go, in practice?
One working day, including about five hours without power. That’s the real answer to the question everyone asks first.

We file the request with Hydro-Québec, which comes to disconnect the service. The old panel comes out, the new one goes in, every circuit is identified again one by one — that’s the longest part, and the one that will serve you for twenty years. Hydro-Québec reconnects, and the installation is tested before we leave.
The wide lots of Saint-Hubert have a concrete advantage: the service entrance is almost always easy to reach, which shortens the day and helps keep the bill down.
What does it cost in Saint-Hubert?
The price depends on your installation, for example when the service entrance is redone at the same time: you get it in the written quote, free of charge. The real price depends on the target amperage, the condition of the service entrance and the mast, and the number of circuits to redo. A sub panel costs considerably less.
A photo of your open panel is often enough to tell you the next steps, without a visit.
Do you need a permit in Saint-Hubert?
Since Saint-Hubert is a borough of Longueuil, the City of Longueuil’s rules apply. Longueuil removes electrical work from the list of repairs exempt from a permit: a permit may therefore be required, and the City itself specifies that its list doesn’t replace the text of the bylaw.
We won’t leave you guessing: we check with the City before we start, and we handle the forms, for the municipality as well as for Hydro-Québec. You have nothing to fill out.
Who is allowed to replace a panel in Québec?
The question comes up all the time, and the answer surprises people: it isn’t a matter of skill, it’s a matter of law.
“No one may perform electrical work of any kind, in their residence or elsewhere for others, unless they are an electrical contractor.” (translated from French)
“A person who contravenes the Master Electricians Act and the Building Act is liable to a fine of $5,000 to $200,888.” (translated from French)
Corporation des maîtres électriciens du Québec
In other words: even at home, even if you know how. STM Électrique inc. is a CMEQ member and holds RBQ licence 5815-0137-01.
Frequently asked questions
Can I replace my panel myself?
No. The Master Electricians Act forbids it, even in your own home, and the fine ranges from $5,000 to $200,888.
Do I need to notify Hydro-Québec?
Yes, and the electrician does it. The service request and the declaration of work go through Hydro-Québec’s professional portal, which only master electricians can access.
How long will I be without power?
About five hours over one working day. The rest goes to the connection and the testing.
Are the rules the same for Saint-Hubert and Longueuil?
Yes. Saint-Hubert has been a borough of Longueuil since 2002: same municipal bylaws, same permit department, same process.
I want to install an EV charger. Do I have to replace my panel?
Not automatically. It depends on the remaining capacity, not on the amperage written on the panel. The load calculation answers in a few minutes, and it’s free with the quote.
What we install. To replace a panel, we most often install a Siemens, a brand Adam Chirola considers reliable and high quality. Its breakers are easy to find across Québec: the day you need to add one for an EV charger, or replace one in ten years, it takes one visit, not a special order.
Unsure about your panel in Saint-Hubert? Send us a photo and we’ll reply with the next steps.
Get a quoteor call 438 542-7304To go further
- Replacing a panel: cost and how the day goes
- High-risk panels
- Six signs the service entrance needs replacing
Panel replacement elsewhere
- Beloeil
- Sainte-Julie
- Longueuil
- Terrebonne
- Laval
- Brossard
- Châteauguay
- Dollard-des-Ormeaux
- Montréal
- South Shore
- Gatineau
Understanding your panel
CAA Habitation recommended