SunPower Solar Panels

25 models from US · 350W–455W · Avg. 21.7% efficiency

25

Models

21.7%

Avg Efficiency

$4.00

Avg $/Watt

350W–455W

Wattage Range

SunPower Maxeon Series

ModelWattageEfficiencyCell Type$/WWarranty
Maxeon 455W E Pro455W23.4%IBC$4.7130 years
Maxeon 445W D Plus445W23.1%IBC$4.5830 years
Maxeon 440W C440W22.9%IBC$4.5030 years
Maxeon 435W A Ultra435W22.7%IBC$4.4225 years
Maxeon 430W E Max430W22.6%IBC$4.3825 years
Maxeon 430W C Black430W22.6%IBC$4.3830 years
Maxeon 425W E HC425W22.4%IBC$4.2930 years
Maxeon 425W D Pro425W22.4%IBC$4.2925 years
Maxeon 420W B Silver420W22.2%IBC$4.2125 years
Maxeon 415W C Plus415W22%IBC$4.1225 years
Maxeon 415W B Ultra415W22%IBC$4.1230 years
Maxeon 410W B410W21.9%IBC$4.0825 years
Maxeon 410W D HD410W21.9%IBC$4.0830 years
Maxeon-40 HC405W21.7%IBC$4.0025 years
Maxeon 405W A Max405W21.7%IBC$4.0030 years
Maxeon-40 HD400W21.5%IBC$3.9225 years
Maxeon 395W E BF395W21.4%IBC$3.8725 years
Maxeon 390W B Plus390W21.2%IBC$3.7925 years
Maxeon 385W D HC385W21%IBC$3.7125 years
Maxeon 380W A380W20.8%IBC$3.6325 years
Maxeon 375-D Max375W20.7%IBC$3.5825 years
Maxeon 370W C HD370W20.5%IBC$3.5025 years
Maxeon 365W Pro365W20.3%IBC$3.4225 years
Maxeon-35 BF355W20%IBC$3.2925 years
Maxeon 350W350W19.8%IBC$3.2125 years

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.