Linked from
The 27 pages that link to Electric power transmission, each with the reason it gives.
Alternating currentRelated: AC voltage can be stepped up to reduce transmission losses.
ElectricityBroader topic: Transmission networks deliver generated electricity over long distances.
VoltRelated: High transmission voltages reduce current and resistive losses for a given power.
Electric locomotiveRelated: Railway electrification adds traction demand to wider electricity grids.
AC powerNarrower topic: AC power is widely used to move electricity across transmission networks.