In 2021, Amazon shut down its US rooftop solar systems after six critical incidents across 47 North American solar sites; a later global audit found 259 major issues

Rooftop solar systems are designed to produce electricity for years, but problems in their wiring and connections can create serious safety risks. Amazon faced this issue at several of its facilities in North America between April 2020 and June 2021, when six solar sites reported critical fire or arc flash events.

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