Really not a problem, it's done all the time. Mask off the area so you don't scare the face, use a utility knife and scar the outline of the hole so you don't get blow out, drill a hole on each corner with a forester or twist drill bit( not a brad point it could give you tear out. Use a jig saw with a nice sharp blade and take your time.
To see where to locate the outlet take a piece of masking tape and fold it up a few times and stick it to a outlet face plate and try it in locations till you get just the right one. They make them out of wood now by the way.