Multiple grounding points reduce lightning overvoltage in solar panels by 55%, study finds

Researchers in Indonesia demonstrated that enhanced grounding strategies with multiple connection points can substantially mitigate transient voltages caused by lightning strikes in photovoltaic systems.

First covered Oct 12, 2026 · 4:10 AM PT · 1 article · no longer in the live window

Multiple grounding points reduce lightning overvoltage in solar panels by 55%, study finds — Image via pv-magazine.com

Coverage

30d PV Magazine Multiple grounding points cut lightning-induced overvoltage in solar panels by up to 55% — Researchers in Indonesia found that higher soil resistivity significantly increases lightning-induced overvoltage in PV systems.

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Appeared in: 2026-10-12 (#10)

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