The modern electricity transmission system, often called the "power grid," is a sophisticated network of interconnected components. The main parts include:

• Power Plants: Where electricity is generated.

• Transmission Substations: Facilities that use transformers to increase (step-up) or decrease (step-down) the voltage of electricity.

• transmission lines: The high-voltage lines, both overhead and underground, that carry large amounts of power over vast distances.

• Transmission Towers & Pylons: The structures that support overhead transmission lines.

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