Three possible layers, and the questions that separate them
The base layer is the ordinary permit. The city requires one for single-family construction and for renovation of a main residential building, alongside additions such as decks, garages, fences, sheds and pools, applied for online or in person with the Division reglementation, permis et inspection. Solar is not named in the published list, which is a gap in the record rather than an exemption: exterior work on a building normally goes through the planning department in Quebec, whether or not a city has written solar-specific guidance.
The second layer is architectural. Saint-Bruno-de-Montarville has PIIA by-laws, and a PIIA review is about how a change reads from outside, which is exactly what a visible rooftop array is. Whether one applies to you is an address question, not a general one.
The third layer is heritage. The Conseil local du patrimoine et de toponymie, established under the province's cultural heritage law, can cite a heritage property and then impose conditions. Note the scope carefully: the powers described attach to demolition, relocation and subdivision, so it is not obvious that a rooftop installation engages them. That is precisely why it is worth asking rather than assuming in either direction.
So make one call to the Division reglementation, permis et inspection and ask four things about your address: whether a permit or certificate is required for a rooftop installation, what the application must contain, whether the property is subject to a PIIA, and whether it is cited under the heritage by-law. Note who answered and when, and get it by email if you can.
Indicative processing times are not a promise
The city publishes processing times as indicative guidelines per permit type rather than as a single committed figure. That is honest of them and it is useful to you, but only if you read it correctly: an indicative guideline is an expectation, not an undertaking, and it does not give you a date to hold anyone to.
Plan accordingly. Do not accept a payment schedule that exposes a deposit to an approval date, because there is no published date to exposure it to. Ask the department what the recent reality has been for the permit type that applies to you, which is a different and more useful question than what the guideline says.
A complete application is the part you control. Ask for the document list that applies to a rooftop installation specifically, check the assembled file against it before submission, and agree in writing with your installer who prepares it, who submits it and who follows up. A file returned for a missing document does not simply wait longer, it goes back to the end of the queue.
Hydro-Quebec, and the approval that has nothing to do with the city
Hydro-Quebec distributes electricity in Saint-Bruno-de-Montarville, and connecting an array means enrolling in the option d'autoproduction. A licensed CMEQ electrician files the installation request rather than you, and Hydro-Quebec evaluates whether the local network can accept your generation before granting conditional acceptance. It is tied to your circuit rather than to the province, so it is a genuine gate.
This runs in parallel with the municipal side rather than after it, so a project here can have two or three approval steps depending on which municipal layers apply. Draw all of them on one timeline before equipment is ordered, and ask which electrician signs the request and whether they are on the installer's staff or subcontracted.
Residential billing is Tarif D, a two-tier block rate rather than time-of-use, so no hour of the day is cheaper and there is nothing to gain from shifting when you run appliances. Surplus banks as a kilowatt hour credit and offsets later consumption at parity, carrying summer production into winter bills, but the bank resets every 24 months and any balance left is settled well below the retail price you pay to buy electricity back. Capacity is not the constraint at 1,000 kW; your own consumption is.
Grants and financing
Hydro-Quebec's LogisVert residential solar grant pays 1,000 $ per kW of installed capacity and covers up to 40 percent of eligible project costs, typically landing around 5,000 $ to 6,000 $ on a residential system. Installations must be completed on or after June 30, 2025, and the claim is filed through the LogisVert portal within 9 months of the installation date. Hydro-Quebec projects that this brings a typical residential payback from 25 to 30 years down to roughly 10 to 12 years.
Because the grant pays per kilowatt installed, any review that shrinks an approved array shrinks the grant with it. In a city with a possible PIIA layer, that is a reason to settle the review question before signing a contract for a specific system size rather than after.
Federally the options have narrowed. The Canada Greener Homes Loan, interest-free up to 40,000 $, stopped accepting new applications on October 2, 2025, and only previously approved loans are still being funded. The Canada Greener Homes Affordability Program replaced it in September 2025, delivering no-cost retrofits through provincial partners for low- to median-income households, with solar PV federally eligible but each province setting its own technology list. Canada has no federal investment tax credit for residential solar.