Not in a million years would I have ever thought an object as simple to recognize as this would take so long to guess! Sure, there are a few different types and styles of it, but it should have been pretty easy. So you want to know what it is, eh? Well it is a........
Yup! That's right, a solar panel. One of those big (usually blue) sets of hundreds of small sun-grabbing tiles (see, there's your tiles) that turn solar energy into electricity.
See here is the same type of tile --->
And here is the positioning of the panel that I had taken a picture of.
You guys like this guessing game any? 'Cause I thought it was pretty fun.