You can delete a single panel and a group of panels from a given roof.

1. Navigate to the design tool.
   
2. Click on the Array from where you want to remove panel/s.
3. Double click on the panel you want to remove.

To delete a group of panels , please follow below steps:

     

      1. Navigate to the Design Tool.

      2. Expand the Panel Layout tab.

      3. Highlight the delete option.

      4. Navigate to the desired array & hold and press the mouse on the panels you want to delete.

      5. Once the desired panels are selected (in white dialogue box) , click on "Delete Panels now" on the right side of the screen.

      6.Incase you do not want to delete the selected panels , you can "Unselect" the "Delete" option on your left & the selection will be thus off.

Here is a short reference video for the same: