How to panelize a non-planar surface into planar sub-surfaces?

Some context- I am working on incorporating PV panels onto a curved facade surface- currently the closest I can get is to project the lines of the PV onto the curved surface and trimming the material in-between - which creates panels that are all slightly curved but follow the curved plane.

What I want are panels that are planar to follow the curve of the plane, how should I approach this?

*I have panelling tools plugin installed but am also lost on what to do
**FlowAlongSrf is not what I want, since it distorts the panel

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