Solar Rv awning -- does it pencil out?

$10 per watt is on the high side. Pass.

All 3 of the pictures in that article show the awning in shade - where it produces almost no power.

And in the real world, that's going to be a very common problem: Most campsites are shaded, because that's what campers want.

Shaded campsites produce little or no solar power.

And even if you're willing and able to park your RV in direct sunlight, you'll still have to deploy the awning to get any power out of it - in contrast to roof-mounted panels that produce power any time there's unshaded sunlight available.

On our Winter Florida site, our awning faces North while the Sun is on the South side, so wouldn't generate anywhere near max.
While a neat idea, not overly practical in most cases.

Is there anyway of knowing how much power you can get from a solar panel in a given area ?

Not in my opinion and there’s no charging when rolled up while driving or during windy days.