The following calls for proposals are currently open at the European XFEL:
- Regular call - 15th call for proposals
| Allocation period | 2027-I |
| Call opening | week 14/2026 |
| Call deadline | Thursday, 07 May 2026, at 16:00 CEST (local Hamburg/ Schenefeld time/ Central European Summer Time) |
| Reports on previous experiments (see rules and who must provide reports by this deadline) | 11 May 2026 |
| PRP Meetings | 09-10 July 2026 |
| Feedback to proposers | September 2026 |
- Ongoing call - QUick Access Screening Time (QUAST)