An electric vehicle charging station with a field upgradeable communications facility is provided. The invention includes a sealable housing including a first compartment and a second compartment, the second compartment including an access to an upgrade port; a partition within the housing that is adapted to insulate the first compartment from the second compartment, the partition including an opening providing access the upgrade port; and an EVSE charging station control circuit configured to recognize a communication module when coupled to the upgrade port and to use the communication module for communications if the communication module is connected. Numerous additional aspects are disclosed.