SunPower β€” US

Maxeon 365W Pro

The SunPower Maxeon 365W Pro is a 365W IBC solar panel with 20.3% 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

365W

Wattage

20.3%

Efficiency

IBC

Cell Type

25 years

Warranty

Full Specifications

Brand
SunPower
Model
Maxeon 365W Pro
Series
Maxeon
Wattage
365W
Module Efficiency
20.3%
Cell Type
IBC
Dimensions
65-67" x 39-40"
Weight
41 lbs
Warranty
25 years
Est. Price Per Watt
$3.42
Est. 7kW System Cost
$23,940
Est. 10kW System Cost
$34,200
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 E Max430W22.6%IBC$4.38

Similar Wattage Panels (Competitors)

PanelWattageEfficiency$/W
Maxeon 3 395W A395W21.2%$3.51
Panasonic HIT 395W B395W20.9%$3.42
Maxeon 3 385W Pro385W20.8%$3.29
Panasonic HIT 390W D HD390W20.6%$3.28

Frequently Asked Questions

How much does a 365W SunPower Maxeon 365W Pro cost?
The SunPower Maxeon 365W Pro costs approximately $1248 per panel ($$3.42/W). A typical 7kW system using this panel would cost around $23,940 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 365W Pro a good solar panel?
The SunPower Maxeon 365W Pro has 20.3% 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 SunPower Maxeon 365W Pro panels do I need?
For a typical 7kW residential system, you'd need approximately 20 panels. For a 10kW system, plan for about 28 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.