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Vertical Bifacial Solar Panel Performance Results Part 1

Projects With Everyday Dave · 937.6K views · 2024-02-11 · 13:05

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Overview

A hobbyist compares vertical bifacial solar panels against south-facing angled panels using winter production results. It tests whether the usual mounting approach is actually best.

On Hacker News

HN points to it as real-world, side-by-side data on vertical versus angled panel orientation.

Recommended by 3 HN people across 3 months · HN mentions 2024–2025

Topics

Renewables, batteries & storagePower grid, heating & buildings
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solarbifacial panelspanel orientationhome energyexperiment

What people said

xnx · 2024-11 · Recommendation

There seems to be a real interesting mix of pros and cons (total watts generated through the year, by time of day, susceptibility to dirt and hail damage, reflections, etc.), especially with regards to mounting. This guy goes into a lot of detail: [VIDEO]

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mey · 2024-04 · Recommendation

[VIDEO] this person did a side by side experiment on their property with both angled and vertical bifacial with some interesting results. Their advantage didn't seem to be efficiency but consistency.

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stephen_g · 2024-03 · Recommendation

You'll still get more output for the same amount of panels when they're tilted in most places. This guy did some interesting real-world testing in a bunch of different circumstances - [VIDEO]

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Sources

Video by Projects With Everyday Dave, played through YouTube.

Data and selection notes

HN summaries and labels may contain AI errors. HN dates refer to discussions, not video publication.

HN Library: HackerTube export (2026-10-31) and open-index/hacker-news. Upstream summaries and classifications may contain AI errors.

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