hallasm:
The information I have is that both the shuttle and the Grenen bus are operated by the Port of Skagen. My information is from the Cruise Manager, "Port of Skagen" and "Cruise Skagen Denmark." She indicated the Grenen bus only operates during "cruise ship calls.," and if more than one cruise ship is in port, there is a shuttle for each ship. She told me that the cost of the Grenen bus is 5 US or Euro, in cash or credit card at the drop off point. And that the Grenen bus runs every 40 minutes or so, and the exact schedule is not yet available. Our ship will be in port on 26 July.
I had a devil of a time trying to confirm the details of the Grenen bus. Finally, I emailed the contact name on the Sandormen web site, and he told me that the bus was operated out of the Port of Skagen. I found the port website and sent them an email to the contact information, and got an instant reply from Ms Jensen, which I reported here above.