SunPower β€” US

Maxeon 395W E BF

The SunPower Maxeon 395W E BF is a 395W IBC solar panel with 21.4% efficiency. Made in US. Backed by a 25-year warranty.

Discontinued panel β€” still supported for existing owners. SunPower ceased operations (Chapter 11 bankruptcy, August 2024) Specs below reflect the final production version.
Premium TierπŸ‡ΊπŸ‡Έ Domestic Content Bonus EligibleBifacial

395W

Wattage

21.4%

Efficiency

IBC

Cell Type

25 years

Warranty

Full Specifications

Brand
SunPower
Model
Maxeon 395W E BF
Series
Maxeon
Wattage
395W
Module Efficiency
21.4%
Cell Type
IBC
Dimensions
65-67" x 39-40"
Weight
44 lbs
Warranty
25 years
Est. Price Per Watt
$3.87
Est. 7kW System Cost
$27,090
Est. 10kW System Cost
$38,700
Temperature Coefficient
-0.25%/Β°C
Bifacial
Yes
Origin
US
FEOC Status
pass

Other SunPower Panels

ModelWattageEfficiencyCell$/W
Maxeon 455W E Pro455W23.4%IBC$4.71
Maxeon 445W D Plus445W23.1%IBC$4.58
Maxeon 440W C440W22.9%IBC$4.50
Maxeon 435W A Ultra435W22.7%IBC$4.42
Maxeon 430W E Max430W22.6%IBC$4.38

Similar Wattage Panels (Competitors)

PanelWattageEfficiency$/W
Panasonic HIT 425W E Pro425W22.5%$4.18
Panasonic HIT 420W D Plus420W22.3%$4.08
Panasonic HIT 420W A Ultra420W22.3%$4.08
Maxeon 3 425W C Plus425W22.3%$4.08

Frequently Asked Questions

How much does a 395W SunPower Maxeon 395W E BF cost?
The SunPower Maxeon 395W E BF costs approximately $1529 per panel ($$3.87/W). A typical 7kW system using this panel would cost around $27,090 before incentives.

⚠ The 30% federal solar tax credit has ended β€” 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 SunPower Maxeon 395W E BF a good solar panel?
The SunPower Maxeon 395W E BF has 21.4% efficiency and a 25 years warranty, placing it in the premium tier. This is above-average efficiency, making it a strong choice. It also qualifies for the domestic content bonus under the Inflation Reduction Act.
How many SunPower Maxeon 395W E BF panels do I need?
For a typical 7kW residential system, you'd need approximately 18 panels. For a 10kW system, plan for about 26 panels. The exact number depends on your roof space, energy usage, and local sun hours.

Written & reviewed by

EnergyTools Research Team β€” 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 commissionsΒ· Updated 2026.