FindSolar.caThe three setups in plain terms
A grid-tied system is panels plus an inverter, connected to the grid, no batteries. The grid absorbs your surplus and covers your nights, with net metering doing the accounting. It is the cheapest per watt, the simplest to maintain, and the default for a reason. Its one catch surprises people: when the grid goes down, a standard grid-tied system shuts down too, a safety requirement that protects line workers.
A hybrid system adds a battery and a smarter inverter. You still enjoy grid economics, but a protected circuit or the whole house rides through outages. The battery adds meaningful cost and is best justified by outages, time-of-use rates or a genuine backup need, not by payback math alone.
An off-grid system stands alone: enough panels, enough storage and usually a generator to survive the worst week of your winter, not the average one. Sized for a real Canadian January, storage and redundancy often cost more than the panels. For a cottage past the end of the line it can beat a utility connection fee; for a serviced suburban home it rarely makes financial sense.
The comparison that matters
Strip away the romance and the decision is three questions. What does an outage cost you, in comfort, work or frozen pipes? Does your utility's export deal make the grid a fair battery, as net metering effectively provides? And is grid service even available at a sane connection cost? Suburban answers usually point grid-tied. Rural answers with long outages point hybrid. Only a missing or absurdly priced power line points off-grid.
Where people overspend
The most common expensive mistake is buying storage for a problem the grid already solves. A grid-tied home with net metering effectively has a 100 percent efficient, zero-maintenance battery: the utility. Buy physical batteries for backup and independence, which are real things worth paying for, and let the export credits handle the day-to-night shuffle. The second mistake is off-grid sizing done on summer arithmetic; the system that dies in February was sized in July.
Deciding like an owner
Get quotes for grid-tied as your baseline, then price the battery as a separate line item with its own justification. When an installer bundles everything into one number, ask for the split. Comparing the pieces separately is the only way to see what the backup is really costing, and whether it is worth it for your house. When you are ready, get quotes from installers who will show the split without being asked twice.
Common questions
Can I start grid-tied and add batteries later?
Yes, and it is often the smart sequence. Mention the plan up front so the inverter choice and panel placement leave room; battery-ready design costs little now and saves rework later.
Do batteries qualify for incentive programs?
Some programs have covered storage alongside solar and the list changes; see what is available in 2026 and confirm before you count on it.
How big a battery covers an outage?
A typical home battery carries essentials, fridge, heat circulation, lights and internet, for hours to a day. Whole-home, multi-day autonomy is an off-grid budget. Define which outage you are buying insurance against and size to that.