My panels are facing into the sun, which is south for me (the sun rises in the East and sets in the west). The output of your panels only puts out what the load is asking for in watts. If your load requires 1000 watts to run, then under ideal conditions, your panels will only supply 1000 watts. With that being said, and neglecting the length of the cords from each panel to the controller, my panels under ideal test conditions should be pumping out 1800 watts Pmax. But the most I have been able to get out of them is 1100 watts. - That's with the hot water heater pulling 900 watts and the rest of the house pulling 300 watts. The only other thing I could connect to the system for testing would be the microwave, but it pulls 1800 watts and overloads my controller which is supposed to handle 2300 watts.
Anyway, what I'm trying to get at is don't be surprised that your solar panels can't deliver the power the spect sheet says under lab testing.