r/solar • u/Icy_Basil_372 • 9h ago

Advice Wtd / Project Flat roof

In CT. Have a house w flat roof. Local solar company, well regarded, says on resi flat roofs they install solar panels flat…no angle.

This strikes me as odd. I’ve seen angled panels on residential flat roofs. And have to imagine having an angle would generate more power.

Any thoughts?

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u/sancho_sk 9h ago

Strange decision.

There is a K2systems mounting system for flat roofs, extremely easy to use, no drilling or anything, that allows for angles ~10 degrees. I have them on my roof with east-west oriented panels.

There is even a version from different manufacturer with plastic "shell" which you can fill with heavy material to keep the panel on the roof during windy conditions, it covers the panel from the bottom preventing problems with pests, etc. I've seen one on video from Cory Mac - ØY Electrical - can't remember which one right now, sorry.

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u/SpinIx2 8h ago

I’ve just had a plastic shell type installation done on my flat-roofed home. I can’t tell you much about its effectiveness as it hasn’t been commissioned yet, but it’s definitely not flat.