LONGi Solar · panel

LONGi Solar — cell hotspots

Hotspots can affect any panel manufacturer, including LONGi Solar. They're caused by cell-level defects, micro-cracks, or persistent shading — not by brand quality alone. However, panel construction quality and cell technology do influence hotspot susceptibility.

Cell hotspots details

Localised overheating in individual cells caused by micro-cracks, shading, or manufacturing defects. Best detected via thermal imaging.

Typical loss: 5–20%Detection: thermalLikelihood: common

Brand lifespan

27 years

Warranty

25 years

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Use our free Solar Loss Checker to estimate how much energy your LONGi Solar system may be losing.

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Based on conservative solar performance modelling and published degradation data

NRELIEA-PVPSSunSpecPVsyst+ published research

Updated April 2026 · Structured performance modelling

How we calculate →

Other LONGi Solar issues

→LONGi Solar — Natural panel degradation →LONGi Solar — Panel soiling →LONGi Solar — Inverter efficiency loss →LONGi Solar — Partial shading

Cell hotspots — other brands

→Tesla Solar — Cell hotspots →SunPower — Cell hotspots →Enphase — Cell hotspots →SolarEdge — Cell hotspots