Open access is based on the principle that the readers do not have to pay for access to scientific information. However, this does not mean that making that informaton freely available does not involve making costs. Publishers often charge publication fees for publishing an article (or book), also called Article Processing Charges (APCs).
If you, as an author, have to cover these costs depends on the conditons set by the journal in which you want to publish.
It sometimes happens that Utrecht University and UMC Utrecht authors unnecessarily pay the publication fees themselves. That is why it is worth your while to check the answers to the questions below.
Sometimes you do not have to pay publication fees
1. Have funding agreements been made with the publisher?
Maybe the journal you publish in is part of a Big Deal. The VSNU (Association of Universities in the Netherlands) has reached agreements with several large publishers about open access: the Big Deals. Have a look at the national open access agreements, including an up-to-date list of journals within these deals. The agreements facilitate free open access publishing and/or offer discounts. Sometimes the agreements cover all journals by a publisher, sometimes only a selection.