Canadian Solar — Canada/China
CS 420W E Ultra
The Canadian Solar CS 420W E Ultra is a 420W PERC solar panel with 20.3% efficiency. Backed by a 25-year warranty.
Standard Tier
FEOC: Restricted
420W
Wattage
20.3%
Efficiency
PERC
Cell Type
25 years
Warranty
Full Specifications
- Brand
- Canadian Solar
- Model
- CS 420W E Ultra
- Series
- CS
- Wattage
- 420W
- Module Efficiency
- 20.3%
- Cell Type
- PERC
- Dimensions
- 66-80" x 39-41"
- Weight
- 48 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $2.35
- Est. 7kW System Cost
- $16,450
- Est. 10kW System Cost
- $23,500
- Temperature Coefficient
- -0.35%/°C
- Bifacial
- No
- Origin
- Canada/China
- FEOC Status
- fail
Other Canadian Solar Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| HiKu 490W D | 490W | 22.7% | N-Type TOPCon | $2.99 |
| BiHiKu 490W D | 490W | 22.7% | N-Type TOPCon | $2.99 |
| CS 490W D | 490W | 22.7% | N-Type TOPCon | $2.99 |
| KuMax 490W D | 490W | 22.7% | N-Type TOPCon | $2.99 |
| SuperPower 490W D | 490W | 22.7% | N-Type TOPCon | $2.99 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| Maxeon Maxeon 3 450W D Plus | 450W | 23.3% | $4.61 |
| Maxeon Maxeon 6 450W D Plus | 450W | 23.3% | $4.61 |
| Maxeon Maxeon 7 450W D Plus | 450W | 23.3% | $4.61 |
| Maxeon Maxeon Air 450W D Plus | 450W | 23.3% | $4.61 |
Frequently Asked Questions
How much does a 420W Canadian Solar CS 420W E Ultra cost?
The Canadian Solar CS 420W E Ultra costs approximately $987 per panel ($$2.35/W). A typical 7kW system using this panel would cost around $16,450 before incentives. After the 30% federal tax credit, your net cost drops to $11,515.
Is the Canadian Solar CS 420W E Ultra a good solar panel?
The Canadian Solar CS 420W E Ultra has 20.3% efficiency and a 25 years warranty, placing it in the standard tier. This is a solid mid-range panel suitable for most residential installations.
How many Canadian Solar CS 420W E Ultra panels do I need?
For a typical 7kW residential system, you'd need approximately 17 panels. For a 10kW system, plan for about 24 panels. The exact number depends on your roof space, energy usage, and local sun hours.