@SiC-Disaster - NO, CEG itself does not as it uses position data only for Chernarus. If it is installed and an island other than Chernarus loads it automatically aborts to avoid errors.
I am working on a version that can be easily adapted for custom islands but I have no promises on a release schedule as of right now.
On a related note, after some exploring on A2OA maps, I am not sure if a Takistan or Zargabad version is possible as the current simulation is modeled. There are no power plants, transformer substations, or other such obvious objects on either island. I am looking at some alternative simulation models (like the transmission towers, which in the past I ignored because of the large number, but might be workable in OA.) but I am unsure where it will lead. If I make any progress I will let everyone know.