SunPower — US
E-Series 365W Pro
The SunPower E-Series 365W Pro is a 365W IBC solar panel with 20.3% efficiency. Made in US. Backed by a 25-year warranty.
Premium Tier🇺🇸 Domestic Content Bonus Eligible
365W
Wattage
20.3%
Efficiency
IBC
Cell Type
25 years
Warranty
Full Specifications
- Brand
- SunPower
- Model
- E-Series 365W Pro
- Series
- E-Series
- Wattage
- 365W
- Module Efficiency
- 20.3%
- Cell Type
- IBC
- Dimensions
- 65-67" x 39-40"
- Weight
- 41 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $3.42
- Est. 7kW System Cost
- $23,940
- Est. 10kW System Cost
- $34,200
- Temperature Coefficient
- -0.25%/°C
- Bifacial
- No
- Origin
- US
- FEOC Status
- pass
Other SunPower Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| Maxeon 455W E Pro | 455W | 23.4% | IBC | $4.71 |
| Performance 455W E Pro | 455W | 23.4% | IBC | $4.71 |
| X-Series 455W E Pro | 455W | 23.4% | IBC | $4.71 |
| E-Series 455W E Pro | 455W | 23.4% | IBC | $4.71 |
| P-Series 455W E Pro | 455W | 23.4% | IBC | $4.71 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| Maxeon Maxeon 3 395-D Max | 395W | 21.2% | $3.51 |
| Maxeon Maxeon 3 395-E Ultra | 395W | 21.2% | $3.51 |
| Maxeon Maxeon 3 395W A | 395W | 21.2% | $3.51 |
| Maxeon Maxeon 3 395W D HC | 395W | 21.2% | $3.51 |
Frequently Asked Questions
How much does a 365W SunPower E-Series 365W Pro cost?
The SunPower E-Series 365W Pro costs approximately $1248 per panel ($$3.42/W). A typical 7kW system using this panel would cost around $23,940 before incentives.
⚠ The 30% Federal Solar Tax Credit (48E/ITC) expired July 4, 2026.
Selecting 30% ITC assumes you began construction before this deadline. Most new purchases no longer qualify.Learn about your options after the deadline →
Is the SunPower E-Series 365W Pro a good solar panel?
The SunPower E-Series 365W Pro has 20.3% efficiency and a 25 years warranty, placing it in the premium tier. This is a solid mid-range panel suitable for most residential installations. It also qualifies for the domestic content bonus under the Inflation Reduction Act.
How many SunPower E-Series 365W Pro panels do I need?
For a typical 7kW residential system, you'd need approximately 20 panels. For a 10kW system, plan for about 28 panels. The exact number depends on your roof space, energy usage, and local sun hours.