Segment Solar — US
SG 415W E HD
The Segment Solar SG 415W E HD is a 415W PERC solar panel with 20.3% efficiency. Made in US. Backed by a 30-year warranty.
Standard Tier🇺🇸 Domestic Content Bonus EligibleBifacial
415W
Wattage
20.3%
Efficiency
PERC
Cell Type
30 years
Warranty
Full Specifications
- Brand
- Segment Solar
- Model
- SG 415W E HD
- Series
- SG
- Wattage
- 415W
- Module Efficiency
- 20.3%
- Cell Type
- PERC
- Dimensions
- 66-80" x 39-41"
- Weight
- 47 lbs
- Warranty
- 30 years
- Est. Price Per Watt
- $2.65
- Est. 7kW System Cost
- $18,550
- Est. 10kW System Cost
- $26,500
- Temperature Coefficient
- -0.35%/°C
- Bifacial
- Yes
- Origin
- US
- FEOC Status
- pass
Other Segment Solar Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| SG 440W D | 440W | 21.2% | PERC | $2.88 |
| SG 435W C All-Black | 435W | 21% | N-Type TOPCon | $2.83 |
| SG 430W E Pro | 430W | 20.8% | N-Type TOPCon | $2.78 |
| SG 425W B BF | 425W | 20.7% | PERC | $2.75 |
| SG 420W A HC | 420W | 20.5% | N-Type TOPCon | $2.70 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| SunPower Maxeon 445W D Plus | 445W | 23.1% | $4.58 |
| Maxeon 3 445W A Ultra | 445W | 23.1% | $4.51 |
| SunPower Maxeon 440W C | 440W | 22.9% | $4.50 |
| Maxeon 3 440W C | 440W | 22.9% | $4.40 |
Frequently Asked Questions
How much does a 415W Segment Solar SG 415W E HD cost?
The Segment Solar SG 415W E HD costs approximately $1100 per panel ($$2.65/W). A typical 7kW system using this panel would cost around $18,550 before incentives.
⚠ The 30% federal solar tax credit has ended — Section 25D expired December 31, 2025, and the Section 48E construction-start deadline passed 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 Segment Solar SG 415W E HD a good solar panel?
The Segment Solar SG 415W E HD has 20.3% efficiency and a 30 years warranty, placing it in the standard 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 Segment Solar SG 415W E HD panels do I need?
For a typical 7kW residential system, you'd need approximately 17 panels. For a 10kW system, plan for about 25 panels. The exact number depends on your roof space, energy usage, and local sun hours.