Have you ever wondered how electricity is transmitted? Electricity often travels long distances from generation plants to your home, college or business. The electricity then goes into long thick cables referred to as transmission lines. The wires are created of copper and aluminum as a result of these metals allow electricity flow through them easily. When the electricity on the transmission lines gets close to where it will be used it goes into a substation. The substation then delivers the energy to you at your home, college, or business. Electricity is transmitted at high voltages (one hundred ten kV or on top of) to reduce the energy lost in long distance transmission. This is the way you and I are able to power our electronic gadgets, how we're able to live in the night (without carrying torches) everywhere we go.
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