A lock system includes a plurality of electronic locking devices and a server. The server is configured to receive lock location data regarding a location of each of the plurality of electronic locking devices, receive user device location data regarding a current location of each of a plurality of user devices, deliver access credentials to each of the plurality of user devices according to a geofence delivery protocol based on the lock location data and the user device location data, monitor a current aggregate loading in response to using the geofence delivery protocol, and deliver access credentials to one or more of the plurality of user devices according to a non-geofence delivery protocol in response to the current aggregate loading exceeding a load threshold to reduce the current aggregate loading.