I can see the correct demands , so the implementation seems successful. I do have some questions:
Are the changes incorporated in ETLocal?
Are the changes incorporated in underlying municipalities?
Are the changes incorporated in the RES region?
Note that this does not lead to any actual transformation of crude oil into oil products (see screenshot below). This means that energetically and non energetically, a refinery has been 'added' to Zeeland, but that, even though it consumes energy, it does not actually produce anything:
Based on data provided by the province:
Non-energetic demand:
Energetic demand: