Arco solar modules retain 53% capacity after 30 years in hot-arid climate

Algerian researchers studying three-decade-old Arco Solar panels found they retained about half their original power output despite discoloration, moisture damage, and hot spots in nearly half the modules, offering a rare real-world test of

First covered Sep 18, 2026 · 12:31 AM PT · 1 article · no longer in the live window

Arco solar modules retain 53% capacity after 30 years in hot-arid climate — Image via pv-magazine.com

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9d PV Magazine After 30 years in hot-arid climate, Arco solar modules still deliver about half their original power — Algerian researchers found that 64 aged Arco Solar modules retained an average of 53% of their original 43 W rated power after three decades of outdoor…

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Appeared in: 2026-09-18 (#2)

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