SunPower β€” US

Maxeon 430W E Max

The SunPower Maxeon 430W E Max is a 430W IBC solar panel with 22.6% 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 Eligible

430W

Wattage

22.6%

Efficiency

IBC

Cell Type

25 years

Warranty

Full Specifications

Brand
SunPower
Model
Maxeon 430W E Max
Series
Maxeon
Wattage
430W
Module Efficiency
22.6%
Cell Type
IBC
Dimensions
66-80" x 39-41"
Weight
49 lbs
Warranty
25 years
Est. Price Per Watt
$4.38
Est. 7kW System Cost
$30,660
Est. 10kW System Cost
$43,800
Temperature Coefficient
-0.25%/Β°C
Bifacial
No
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 C Black430W22.6%IBC$4.38

Similar Wattage Panels (Competitors)

PanelWattageEfficiency$/W
Maxeon 3 455W E Pro455W23.5%$4.72
Maxeon 3 450W D Plus450W23.3%$4.61
Maxeon 3 445W A Ultra445W23.1%$4.51
REC Alpha 455W E Pro455W23%$3.84

Frequently Asked Questions

How much does a 430W SunPower Maxeon 430W E Max cost?
The SunPower Maxeon 430W E Max costs approximately $1883 per panel ($$4.38/W). A typical 7kW system using this panel would cost around $30,660 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 430W E Max a good solar panel?
The SunPower Maxeon 430W E Max has 22.6% 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 430W E Max panels do I need?
For a typical 7kW residential system, you'd need approximately 17 panels. For a 10kW system, plan for about 24 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.