Maintenance of all the equipment that goes into a substation requires specialized knowledge of the various systems and components. Here's a quiz to freshen you up on the basics, second of two parts.

Obtaining reliable data from electric utilities about magnitude and duration of single-phase, line-to-ground fault currents at the service entrance of commercial and industrial facilities is of ...

Southern California Edison (SCE) has been remote controlling and automating substations since the late 1940s using a combination of single point-to-point supervisory control and single ...

With a central role in modern electrical systems, digital substations are of particular interest to cybercriminals. Their use of Ethernet communications to transfer information between substations and ...

The second largest distribution system operator in Sweden, Ellevio AB, has installed equipment for the monitoring and communications of six secondary 11/0.4-kV substations in Stockholm’s emerging ...

Several potential new electrical substations are being explored around York and Adams counties amid growing demand for electricity, according to recent filings by FirstEnergy. On Aug. 27, 2025, ...