Linked from
The 40 pages that link to Steam turbine, each with the reason it gives.
Thermal efficiencyBroader topic: It converts heat supplied in a steam cycle into mechanical power.
Heat engineBroader topic: It is a common heat-engine component in thermal power stations.
The GeysersBroader topic: Steam from The Geysers turns turbines that drive electrical generators.
SteamBroader topic: It converts steam's energy into shaft rotation for electricity generation.
Thermal power stationBroader topic: Its shaft turns the generator in a steam-powered station.