Tesla — US

Tesla T-38 BF

The Tesla Tesla T-38 BF is a 380W N-Type TOPCon solar panel with 18.8% efficiency. Made in US. Backed by a 25-year warranty.

Premium Tier🇺🇸 Domestic Content Bonus EligibleBifacial

380W

Wattage

18.8%

Efficiency

N-Type TOPCon

Cell Type

25 years

Warranty

Full Specifications

Brand
Tesla
Model
Tesla T-38 BF
Series
Tesla T
Wattage
380W
Module Efficiency
18.8%
Cell Type
N-Type TOPCon
Dimensions
65-67" x 39-40"
Weight
43 lbs
Warranty
25 years
Est. Price Per Watt
$2.47
Est. 7kW System Cost
$17,290
Est. 10kW System Cost
$24,700
Temperature Coefficient
-0.25%/°C
Bifacial
Yes
Origin
US
FEOC Status
pass

Other Tesla Panels

ModelWattageEfficiencyCell$/W
Tesla T 455W E Pro455W21.6%N-Type TOPCon$3.78
Tesla T 450W D Plus450W21.4%PERC$3.69
Tesla T 445W C445W21.2%N-Type TOPCon$3.59
Tesla T 445W A Ultra445W21.2%PERC$3.59
Tesla T 440W E Max440W21%N-Type TOPCon$3.50

Similar Wattage Panels (Competitors)

PanelWattageEfficiency$/W
SunPower Maxeon 410W B410W21.9%$4.08
SunPower Maxeon 410W D HD410W21.9%$4.08
Maxeon 3 410-B Silver410W21.8%$3.82
SunPower Maxeon-40 HC405W21.7%$4.00

Frequently Asked Questions

How much does a 380W Tesla Tesla T-38 BF cost?
The Tesla Tesla T-38 BF costs approximately $939 per panel ($$2.47/W). A typical 7kW system using this panel would cost around $17,290 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 Tesla Tesla T-38 BF a good solar panel?
The Tesla Tesla T-38 BF has 18.8% 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-38 BF panels do I need?
For a typical 7kW residential system, you'd need approximately 19 panels. For a 10kW system, plan for about 27 panels. The exact number depends on your roof space, energy usage, and local sun hours.

Written & reviewed by

EnergyTools Research Team — Solar Energy Research Group

The EnergyTools Research Team compiles and verifies residential solar data from NREL, EPA, and state utility commissions. Methodology is reviewed quarterly.

  • Source data: NREL PVWatts V8 + Utility Rates V3 APIs
  • Source data: EPA FuelEconomy.gov vehicle efficiency data
  • Methodology reviewed quarterly

Methodology & data sources:NREL PVWatts, EIA, state utility commissions· Updated 2026.