This preregistration template guides researchers who wish to preregister their EEG projects, more specifically studies investigating event-related potentials (ERPs) in the sensor space. We invite researchers to use and/or adapt the template to other forms of EEG analysis (e.g., source space, time-frequency, steady-state). We emphasize that all examples in this template are non-exhaustive and are aimed to provide guidance on how to transparently preregister a study’s analysis plan. Besides descriptions for individual items, we provide examples for better illustration only. With these examples we do not intend to provide researchers with guidance about choosing specific preprocessing and analysis steps.