S-Energy Solar Panels

31 models from South Korea · 350W–445W · Avg. 19.6% efficiency

31

Models

19.6%

Avg Efficiency

$2.54

Avg $/Watt

350W–445W

Wattage Range

S-Energy SN Series

ModelWattageEfficiencyCell Type$/WWarranty
SN 445W D445W21.2%PERC$3.0130 years
SN 440W C All-Black440W21%N-Type TOPCon$2.9530 years
SN 435W E Pro435W20.9%N-Type TOPCon$2.9230 years
SN 430W B BF430W20.7%PERC$2.8630 years
SN 425W A HC425W20.5%N-Type TOPCon$2.8030 years
SN 425W D Plus425W20.5%PERC$2.8030 years
SN 420W C420W20.3%N-Type TOPCon$2.7430 years
SN 420W E HD420W20.3%PERC$2.7430 years
SN 420W A Ultra420W20.3%PERC$2.7425 years
SN 415W E Max415W20.1%N-Type TOPCon$2.6825 years
SN 415W B All-Black415W20.1%PERC$2.6830 years
SN 410W E HC410W20%PERC$2.6525 years
SN 410W A BF410W20%N-Type TOPCon$2.6525 years
SN 410W C Black410W20%PERC$2.6530 years
SN 405W C Plus405W19.8%N-Type TOPCon$2.5925 years
SN 405W A Black405W19.8%PERC$2.5925 years
SN-40 HC400W19.6%PERC$2.5325 years
SN 400W E Ultra400W19.6%N-Type TOPCon$2.5325 years
SN-39 HD395W19.4%N-Type TOPCon$2.4725 years
SN 395W D Max395W19.4%PERC$2.4725 years
SN 395W B Ultra395W19.4%N-Type TOPCon$2.4730 years
SN 390-B Silver390W19.2%PERC$2.4125 years
SN 385W E BF385W19%PERC$2.3525 years
SN 385W C Pro385W19%N-Type TOPCon$2.3525 years
SN 385W A Max385W19%PERC$2.3530 years
SN 380-A Black380W18.9%N-Type TOPCon$2.3225 years
SN 375W A375W18.7%N-Type TOPCon$2.2625 years
SN 375-E Ultra375W18.7%PERC$2.2625 years
SN 360W Pro360W18.1%PERC$2.0825 years
SN 350W350W17.8%PERC$1.9925 years
SN-35 BF350W17.8%N-Type TOPCon$1.9925 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.