Stock photography, photos: 13AG132 Electric sub-station Canada Stock photos of Hydro electric Power sub-station in winter, Alberta Canada Photograph: © Troy Parlee Click for a larger image and more information Keywords associated with this stock photo: Hydroelectric, substation, sub-station, electric, electrical, industry, business, power, grid, Canada, North America, technology, generation, generate, switching, fuse, shock, magnetic fields, fence, enclosure, danger, caution, electrocute, chain link, restricted area, utility, online, plant, generate, produce, wattage, watts, volts, voltage, capacity, capacitor, service provider, poles, maintenance, facility, kilowatt, KW, V, Amp, dawn, morning, first light, snow, winter, cold, frost, freeze, ice, wires, wired, cables, lines, circuits, modern, transfer, transmit