Study finds bifacial solar modules underperform ratings by up to 15% in utility plants

Researchers analyzing operational data from utility-scale installations in Spain and the UK discovered that bifacial solar panels generate significantly less power from their rear side than manufacturers' nominal ratings predict, raising qu

First covered Oct 14, 2026 · 4:46 AM PT · 1 article · no longer in the live window

Study finds bifacial solar modules underperform ratings by up to 15% in utility plants — Image via pv-magazine.com

Coverage

28d PV Magazine Study reveals up to 15% gap between expected and actual bifacial gains in utility-scale PV — Researchers in Spain have found that the effective bifaciality of solar modules in utility-scale PV plants can be up to 15% lower than their nominal rating.

More coverage from around the web

sciencedirect.com Economic assessment of bifacial solar modules under incentive policies in rich-solar potential regions: A multiscale practical approach - ScienceDirect

osti.gov Assessment of Bifacial Photovoltaic Module Power Rating

arxiv.org Optimum design of tracking bifacial solar farms -- A comprehensive global analysis of next-generation PV

greenfueljournal.com Bifacial Solar Panels in 2026: Are They Worth the Investment or Overhyped?

pv-maps.com Solar Panel Technology Comparison 2026: Monocrystalline vs Bifacial vs Perovskite

Appeared in: 2026-10-14 (#1) · 2026-10-15 (#8)

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