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Vertical Bifacial Solar Panel Performance Results Part 1

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Renewables, batteries & storagePower grid, heating & buildings

What it is

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.

Why Hacker News recommends it

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

  • 3 people recommended it
  • 3 different months
  • 0 strong recommendations
  • first 2024, last 2025

What HN commenters said

  1. “This guy did some interesting real-world testing in a bunch of different circumstances”

    Real-world testing of panel orientations in varied circumstances

    stephen_g, 2024-03 · Recommendation · in “Controlling 3.6kW of Solar EV Charging with an Arduino GIGA R1 WiFi”

  2. “this person did a side by side experiment on their property with both angled and vertical bifacial with some interesting results.”

    Side-by-side test of angled vs vertical bifacial panels

    mey, 2024-04 · Recommendation · in “Swiss satellite antennas make a comeback as solar powerhouses”

  3. “This guy goes into a lot of detail”

    Detailed look at tradeoffs of vertical bifacial panels

    xnx, 2024-11 · Recommendation · in “100-MW solar farm just broke ground in Wisconsin”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: solar, bifacial panels, panel orientation, home energy, experiment

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