[Client & Application Case] Vertical Solar Fence in the Netherlands: 50 Flexible Panels vs. a South-Facing Roof 2026-10-13
Vertical solar panels are often dismissed as a poor substitute for a south-facing roof. A Dutch solar company tested that on one residential property: 50 LIONSHEE LS-SP240 240 W flexible panels mounted vertically on a garden fence (12.00 kWp), monitored in the same app as the 36.72 kWp south-facing roof array next to it. In week 39 the fence produced 222 kWh, or 18.50 kWh per installed kWp; the roof produced 658 kWh, or 17.92 kWh per kWp. Per kWp, the fence was 3.2% ahead. The article looks at how the panels are fixed to the fence, why a vertical surface can keep up when the sun is low, what one week of data can and cannot prove, and the same customer's August and September figures from a separate 800 W balcony system (960 Wp, facing south-east).
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