Tesla β€” US

Tesla Solar 415-B Silver

The Tesla Tesla Solar 415-B Silver is a 415W PERC solar panel with 20.1% efficiency. Made in US. Backed by a 25-year warranty.

Premium TierπŸ‡ΊπŸ‡Έ Domestic Content Bonus Eligible

415W

Wattage

20.1%

Efficiency

PERC

Cell Type

25 years

Warranty

Full Specifications

Brand
Tesla
Model
Tesla Solar 415-B Silver
Series
Tesla Solar
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%/Β°C
Bifacial
No
Origin
US
FEOC Status
pass

Other Tesla Panels

ModelWattageEfficiencyCell$/W
Tesla Solar 455W E Pro455W21.6%N-Type TOPCon$3.78
Tesla T 455W E Pro455W21.6%N-Type TOPCon$3.78
Tesla H 455W E Pro455W21.6%N-Type TOPCon$3.78
Tesla Solar 450W D Plus450W21.4%PERC$3.69
Tesla T 450W D Plus450W21.4%PERC$3.69

Similar Wattage Panels (Competitors)

PanelWattageEfficiency$/W
SunPower Maxeon 445W D Plus445W23.1%$4.58
SunPower Performance 445W D Plus445W23.1%$4.58
SunPower X-Series 445W D Plus445W23.1%$4.58
SunPower E-Series 445W D Plus445W23.1%$4.58

Frequently Asked Questions

How much does a 415W Tesla Tesla Solar 415-B Silver cost?
The Tesla Tesla Solar 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 Solar 415-B Silver a good solar panel?
The Tesla Tesla Solar 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 Solar 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.

Written & reviewed by

Jeremy Wolfe β€” Senior Solar Energy Analyst

Jeremy Wolfe is a solar energy analyst specializing in residential photovoltaic economics, federal and state incentive policy, and return-on-investment modeling for homeowners. He leads EnergyTools' solar research program and methodology.

  • 10+ years analyzing residential solar economics and payback modeling
  • Lead researcher for EnergyTools' 50-state solar cost-per-watt database
  • Author of 100+ solar ROI, payback, and incentive analyses

Methodology & data sources:NREL PVWatts, EPA FuelEconomy.gov, state utility commissionsβ€” updated 2026.