Table
Solar Installation Cost per Watt
Solar Installation Cost per Watt reference with assumptions and boundary notes.
Reference boundary
Public cost reference only. Roof condition, equipment class, labour market, permits, and incentives change installed cost materially.
Reference table
Compare representative installed solar cost-per-watt ranges for Canadian projects.
| System size (kW) | Installed low (CAD/W) | Installed high (CAD/W) | Source period | Boundary |
|---|---|---|---|---|
| 4 | 2.7 | 3.6 | public cost summaries, 2026 review | Cost reference only; roof work, electrical upgrades, permits, incentives, and installer quote govern actual price |
| 6 | 2.5 | 3.4 | public cost summaries, 2026 review | Cost reference only; roof work, electrical upgrades, permits, incentives, and installer quote govern actual price |
| 8 | 2.4 | 3.2 | public cost summaries, 2026 review | Cost reference only; roof work, electrical upgrades, permits, incentives, and installer quote govern actual price |
| 10 | 2.3 | 3.1 | public cost summaries, 2026 review | Cost reference only; roof work, electrical upgrades, permits, incentives, and installer quote govern actual price |
| 15 | 2.2 | 3 | public cost summaries, 2026 review | Cost reference only; roof work, electrical upgrades, permits, incentives, and installer quote govern actual price |
Use notes
- Use this table for preliminary reference and arithmetic checks only.
- Confirm equipment ratings, product markings, installation conditions, utility requirements, and the local authority requirements before design or field use.