Buyer’s Guide 2020

Best Solar Panels for Homes

EnergyPal offers the best solar panels for homes by value, price, wattage & warranty. Our 2020 Buyer’s Guide reviews SunPower, LG, Panasonic, Hanwha Q Cells, Silfab, REC Solar and Trina panels.

We think differently when comparing solar panels. It is easy to focus on just watts efficiency or price, but what’s also important is making sure you get the most value from your solar panels based on your situation. Here’s our guide to the best solar panels and our recommendations:

Leading Solar Panel Manufacturers

First we summarize our research on leading solar panel manufacturers and if the solar panels are made in America, including SunPower, LG, Panasonic, Solaria, Hanwha Q-Cells, Silfab, REC Solar and Trina solar.

Top 5 Solar Panel Manufacturers by Availability
  1. SunPower
    • Efficiency up to 22.2%
    • 25-year warranty, 92% production guarantee
    • Made in USA, Mexico, Philippines
  2. LG
    • Efficiency up to 21.4%
    • 25-year warranty, 90% production guarantee
    • Made in South Korea
  3. Solaria
    • Efficiency up to 20%
    • 25-year warranty, 88% production guarantee
    • Made in USA (Fremont, CA)
  4. Hanwha Q-Cells
    • Efficiency up to 19.6%
    • 25-year warranty, 85% production guarantee
    • Made in South Korea (previously German company)
  5. Yingli
    • Efficiency up to 19%
    • 25-year warranty, 82% production guarantee
    • Made in China

Best Solar Panels by Wattage

EnergyPal ranks the best solar panels by wattage or energy production rating for 2020. The highest rated panels are:

Top 10 Solar Panels based on Wattage 2020
  1. 420w - SunPower A-Series SPR-A420-G-AC
  2. 415w - SunPower A-Series SPR-A415-G-AC
  3. 400w - SunPower A-Series SPR-A400-G-AC
  4. 370w - LG NeON-R Series LG370Q1C-V5
  5. 360w - LG NeON-R Series LG-360Q1C-A5
  6. 360w - SunPower X-Series SPR-X22-360
  7. 345w - SunPower X-Series SPR-X21-345
  8. 335w - SunPower X-Series SPR-X21-335-BLK
  9. 335w - LG NeON-2 Series LG-335N1C-A5
  10. 327w - SunPower E-Series SPR-SPR-E20-327
  11. 320w - Hanwha Q.PEAK DUO BLK-G5 305-320
  12. 310w - Yingli Series 2 HSF Smart YL310P-35b

Best Solar Panels by Module Efficiency

EnergyPal ranks the best solar panels by module efficiency rating for 2020. The highest rated panels are:

Top 10 Solar Panels based on Module Efficiency 2020
  1. 22.2% - SunPower X22-Series
  2. 21.5% - SunPower A-Series
  3. 21.5% - SunPower X21-Series
  4. 20.8% - SunPower LG NeON-R Series
  5. 20.1% - SunPower E-Series
  6. 19.0% - Hanwha Q.PEAK DUO

Best Solar Panels by Warranty

EnergyPal ranks the best solar panel warranty by manufacturer for 2020. The highest production warranty and warranty terms are:

Top 5 Solar Panel Manufacturer Warranties 2020
  1. SunPower - 25 years, 92.0% original production
  2. Panasonic - 25 years, 90.76% original production
  3. LG - 25 years, 85% original production
  4. Silfab - 30 years, 83% original production
  5. Yingli - 25 years, 80.7% original production

Best Solar Panels for The Money

The best solar panels for the money in 2020 depends on the specifics of your home location and roof characteristics. We’ve summarized this down for you based on our review of all available solar panels.

Recommended Best Solar Panels For Your Money 2020
  1. Large roof areas with clear southern exposure:
    1. SunPower E20-327 or X345
  2. Smaller roofs with only partial southern exposure:
    1. SunPower A400
  3. Smaller roofs where the angles prevents use of A400:
    1. SunPower X360
  4. Partial shaded roofs or locations where electric rates are lower:
    1. LG 335N1C
  5. Lowest price yet still great quality panel and good warranty:
    1. Yingli Series 2 HSF Smart YL310P-35b

Our Solar Advisors will help you determine which panels are best for your home. Get a free customized solar panel design for your home and comparative quotes now.

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