List of railway electrification systems

This is a list of the power supply systems that are, or have been, used for railway electrification.

Note that the voltages are nominal and vary depending on load and distance from the substation.

As of 2023^[update] many trams and trains use on-board solid-state electronics to convert these supplies to run three-phase AC traction motors.

Tram electrification systems are listed here.