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Mono PERC vs bifacial solar panels

Does bifacial's extra yield pay off on Nigerian roofs?

Our engineers' verdict

On a typical pitched roof, bifacial panels gain little because the back faces the roof. On ground mounts or carports over light surfaces, bifacial adds 5–15% yield.

FeatureMono PERCBifacial
Typical yield gainBaseline+5–15% (ground mounts)
Price per watt₦287–₦300₦326–₦330
WeightLighterHeavier (glass-glass)
Warranty25 years30 years

Choose mono perc if…

  • Pitched rooftop install
  • Lowest price per watt

Choose bifacial if…

  • Ground mount or carport
  • Light-coloured ground surface

Packages to consider

  • 10kVA

    Large homes with monitoring

    Premium 8kW Deye

    Silent power for a large family

    10kVA20.48kWh6.96kWp~16h backup
    ₦10,858,000

    or ₦473,311/month

    Installed price, inc. hardware and installation

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