What an electrical grid is and the role of power plants, transmission lines and electric substations.
Reviews the major components and their functions in an electrical grid, including power plants, substations, transmission lines, and electric transformers.
Learn how a man named Shawn Miller barely survived accidental contact with high-power electric lines and what you can do to stay safe around electric lines.
Find out how the U.S. electrical grid came to carry alternating current and why direct current might make more sense today.
Learn what a smart grid is and how it could revolutionize the distribution and use of electrical power throughout a country.