SunPower β€” US

P-Series 435W A Ultra

The SunPower P-Series 435W A Ultra is a 435W IBC solar panel with 22.7% efficiency. Made in US. Backed by a 25-year warranty.

Premium TierπŸ‡ΊπŸ‡Έ Domestic Content Bonus Eligible

435W

Wattage

22.7%

Efficiency

IBC

Cell Type

25 years

Warranty

Full Specifications

Brand
SunPower
Model
P-Series 435W A Ultra
Series
P-Series
Wattage
435W
Module Efficiency
22.7%
Cell Type
IBC
Dimensions
66-80" x 39-41"
Weight
49 lbs
Warranty
25 years
Est. Price Per Watt
$4.42
Est. 7kW System Cost
$30,940
Est. 10kW System Cost
$44,200
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
Performance 455W E Pro455W23.4%IBC$4.71
X-Series 455W E Pro455W23.4%IBC$4.71
E-Series 455W E Pro455W23.4%IBC$4.71
P-Series 455W E Pro455W23.4%IBC$4.71

Similar Wattage Panels (Competitors)

PanelWattageEfficiency$/W
Maxeon Maxeon 3 455W E Pro455W23.5%$4.72
Maxeon Maxeon 6 455W E Pro455W23.5%$4.72
Maxeon Maxeon 7 455W E Pro455W23.5%$4.72
Maxeon Maxeon Air 455W E Pro455W23.5%$4.72

Frequently Asked Questions

How much does a 435W SunPower P-Series 435W A Ultra cost?
The SunPower P-Series 435W A Ultra costs approximately $1923 per panel ($$4.42/W). A typical 7kW system using this panel would cost around $30,940 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 SunPower P-Series 435W A Ultra a good solar panel?
The SunPower P-Series 435W A Ultra has 22.7% 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 P-Series 435W A Ultra panels do I need?
For a typical 7kW residential system, you'd need approximately 17 panels. For a 10kW system, plan for about 23 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.