Japanese researchers find promise in cylindrical solar tubes for building-integrated use

Scientists say curved geometry in cylindrical solar modules improves cooling and energy output in urban settings, revisiting a design concept that failed commercially with Solyndra.

First covered Jul 24, 2026 · 2:00 AM PT · 1 article

Japanese researchers find promise in cylindrical solar tubes for building-integrated use — Image via pv-magazine.com

Coverage

1d PV Magazine Despite historical failure, cylindrical solar tubes may still find a place in BIPV market, say Japanese scientists — Solyndra’s cylindrical CIGS solar technology highlighted both the promise and challenges of unconventional PV designs, but a new study from Japan suggests that…

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Appeared in: 2026-07-24 (#5)

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