If the new panels will be on their own string, then it does not matter at all. See the post about east/west facing panels for more info and a doc with calculation if you are interested.
Solar panel direction East/West vs North
If the new panels will be on their own string, then it does not matter at all. See the post about east/west facing panels for more info and a doc with calculation if you are interested.
Solar panel direction East/West vs North