For me this binding works as expected with things the same as yours but for different country.
But I have another question - where to configure Entso binding periodic run time? Looks like it starts upon OpenHAB is started and then automatically it runs hourly. Does that mean if I restart OpenHAB at 14:02 then Entso binding will run hourly at :02 minute? If yes, how can I schedule it to run exactly at 00 minute?
EDIT:
I configured hourly EntsoE binding restart via OS crontab. As a reference, I used this post: