They want to host SAP and it seems there are just a small set of providers where it is running on.
Plug-in car registrations in Q1-Q4 2023 (vs. previous year):
BYD Group: 3,012,070 and 22% share (vs. 18.4%) Tesla: 1,808,652 and 13.2% share (vs. 13.0%) Volkswagen Group: 994,403 and 7.3% share (vs. 8.2%) Geely-Volvo: 925,111 and 6.8% share (vs. 6.0%) SAIC (incl. SAIC-GM-Wuling): 791,521 and 5.8% share (vs. 7.2%)
[1]: https://data.gov/ [2]: https://data.europa.eu/
[1] https://www.w3.org/TR/vocab-dcat-3/
[2] https://joinup.ec.europa.eu/collection/semantic-interoperabi...
[3] e.g. https://www.dcat-ap.de/ or https://docs.dataportal.se/dcat/en/