The OpenAPC Initiative collects and releases data sets on fees paid for open access journal articles by universities and research institutions. The Carl von Ossietzky University of Oldenburg supports this transparency and delivers the data for articles financed through the open access publication fund or publish-and-read agreements.

• 2016
• 2017
• 2018
• 2019
• 2020
• 2021
• 2022
• 2023
• 2024
• 2025 (in progress)