Tesla — US
Tesla T 415-B Silver
The Tesla Tesla T 415-B Silver is a 415W PERC solar panel with 20.1% efficiency. Made in US. Backed by a 25-year warranty.
Premium Tier🇺🇸 Domestic Content Bonus Eligible
415W
Wattage
20.1%
Efficiency
PERC
Cell Type
25 years
Warranty
Full Specifications
- Brand
- Tesla
- Model
- Tesla T 415-B Silver
- Series
- Tesla T
- Wattage
- 415W
- Module Efficiency
- 20.1%
- Cell Type
- PERC
- Dimensions
- 66-80" x 39-41"
- Weight
- 47 lbs
- Warranty
- 25 years
- Est. Price Per Watt
- $3.08
- Est. 7kW System Cost
- $21,560
- Est. 10kW System Cost
- $30,800
- Temperature Coefficient
- -0.35%/°C
- Bifacial
- No
- Origin
- US
- FEOC Status
- pass
Other Tesla Panels
| Model | Wattage | Efficiency | Cell | $/W |
|---|---|---|---|---|
| Tesla Solar 455W E Pro | 455W | 21.6% | N-Type TOPCon | $3.78 |
| Tesla T 455W E Pro | 455W | 21.6% | N-Type TOPCon | $3.78 |
| Tesla H 455W E Pro | 455W | 21.6% | N-Type TOPCon | $3.78 |
| Tesla Solar 450W D Plus | 450W | 21.4% | PERC | $3.69 |
| Tesla T 450W D Plus | 450W | 21.4% | PERC | $3.69 |
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 Tesla Tesla T 415-B Silver cost?
The Tesla Tesla T 415-B Silver costs approximately $1278 per panel ($$3.08/W). A typical 7kW system using this panel would cost around $21,560 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 Tesla Tesla T 415-B Silver a good solar panel?
The Tesla Tesla T 415-B Silver has 20.1% 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 Tesla Tesla T 415-B Silver 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.