EDMONTON, CANADA - MARCH 22: A network of electric poles with primary and neutral wires, along with insulators, is seen in Edmonton, Alberta, Canada, on March 22, 2025. (Photo by Artur Widak/NurPhoto)

Connection Cost Efficiency Electric Electricity Energy Grid Industrial Infrastructure Maintenance Power Powerline Primary Service Structure Supply System Technology Transmission Urban Voltage cables circuit conductors construction current distribution electrical-grid engineering equipment grid-system hardware high-voltage infrastructure-development installation insulators mechanics network neutral overhead pole power-supply prices reliability safety substations support tariffs transformers transmission-lines urban-planning utility wires Edmonton Canada March 22 2025 network electric poles primary wires neutral wires insulators Alberta Artur Widak NurPhoto electricity infrastructure power lines utility poles electrical grid power distribution energy transmission electrical engineering electrical systems electrical safety electrical components overhead lines electric circuits power supply urban infrastructure electrical network energy infrastructure electrical equipment power systems electricity distribution electric utilities.