The Central Library(ZB) of the Forschungszentrum Jülich has provided institutional APC expenditures for the 2017 period.

The Helmholtz-Zentrum Dresden-Rossendorf (HZDR) has updated its APC expenditures, providing data for the 2017 period.

Leipzig University has updated its APC expenditures, the latest contribution provides data for the 2017 period.

We welcome the Technische Universität Darmstadt as new contributing institution!

The University of Bayreuth has updated its APC expenditures, the latest contribution provides data for the 2017 period.

The Johannes Gutenberg University of Mainz (JGU) has updated its APC expenditures, providing cost data for the 2017 period (plus some additional articles from 2016).

The Max Planck Digital Library (MPDL) has reported its 2017 expenditures for articles published in Frontiers journals.

As a result of the first ESAC Offsetting Workshop 2016, the collection of articles published under offsetting contracts like the Springer Compact agreements has been established as a side project of OpenAPC. Data providers include the Austrian Academic Library Consortium (KEMÖ), the Max Planck Digital Library, VSNU / UKB for all Dutch universities, the Bibsam Consortium for Sweden and JISC Collections for the UK. The data collection starts with the first data from 2015, the years 2016 and 2017 are now completely available.

We welcome the University of Stuttgart as new contributing institution!

Bielefeld University has changed its workflows and will now provide APC data directly via its institutional repository PUB. An initial data set has been harvested via OAI-PMH.