Nut17 wrote:One of the main reasons I went with semi flexible panels was to minimise the effect of shading. You can see in the photo below that two panels adjacent to the slide out awning roll are being affected by shade in the late afternoon.
Unfortunately Chris, in this instance the thin flexible panels have maximised
Framed rigid panels of the exact same size would raise the panels just a few centimetres and the shadow cast by the awning at that time would have been totally avoided.
While the shadow affects only a small area of those two solar panels, because it takes out two entire rows of cells the effect of this shading is severe.
Those two panels have probably had their output halved. If the affected panels were each wired in Series with two unaffected panels, the sum total of each string would be zero.
Effectively, you have then lost 4 of your 8 panels.
The weight saving with flexible panels is a powerful argument for their use in your situation, Chris,
but they do nothing
to minimise the effect of shading - quite the opposite, in fact.