Segment Solar — US
SG Plus 415W A Ultra
The Segment Solar SG Plus 415W A Ultra is a 415W PERC solar panel with 20.3% efficiency. Made in US. Backed by a 25-year warranty.
Standard Tier🇺🇸 Domestic Content Bonus Eligible
415W
Wattage
20.3%
Efficiency
PERC
Cell Type
25 years
Warranty
Full Specifications
- Brand
- Segment Solar
- Model
- SG Plus 415W A Ultra
- Series
- SG Plus
- Wattage
- 415W
- Module Efficiency
- 20.3%
- Cell Type
- PERC
- Dimensions
- 66-80" x 39-41"
- Weight
- 47 lbs
- Warranty
- 25 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
- No
- Origin
- US
- FEOC Status
- pass
Other Segment Solar Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| SG 440W D | 440W | 21.2% | PERC | $2.88 |
| SG Plus 440W D | 440W | 21.2% | PERC | $2.88 |
| SG Max 440W D | 440W | 21.2% | PERC | $2.88 |
| SG 435W C All-Black | 435W | 21% | N-Type TOPCon | $2.83 |
| SG Plus 435W C All-Black | 435W | 21% | N-Type TOPCon | $2.83 |
Similar Wattage Panels (Competitors)
| Panel | Wattage | Efficiency | $/W |
|---|---|---|---|
| SunPower Maxeon 445W D Plus | 445W | 23.1% | $4.58 |
| SunPower Performance 445W D Plus | 445W | 23.1% | $4.58 |
| SunPower X-Series 445W D Plus | 445W | 23.1% | $4.58 |
| SunPower E-Series 445W D Plus | 445W | 23.1% | $4.58 |
Frequently Asked Questions
How much does a 415W Segment Solar SG Plus 415W A Ultra cost?
The Segment Solar SG Plus 415W A Ultra 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 (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 Segment Solar SG Plus 415W A Ultra a good solar panel?
The Segment Solar SG Plus 415W A 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. It also qualifies for the domestic content bonus under the Inflation Reduction Act.
How many Segment Solar SG Plus 415W A Ultra 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.