In addition to the case of transformative agreements, UPV researchers have institutional discounts for APCs with these two publishers:
Researchers may also qualify for other personal discounts in specific cases. For example, the Institute of Physics (IOP) offers discounts for IOP reviewers when they publish in IOP journals. Also, if you are a member of the scientific society of the journal in which you are going to publish your work, you can usually obtain a discount.
We recommend checking PoliScience.