High-Voltage Transmission Remains Optimal for Long Distance Delivery

A California executive, Dianoush Emami, delivers engineering solutions spanning critical infrastructure and power plant construction. Dianoush Emami counts high-voltage transmission lines as part of his expertise.

High-voltage transmission lines crisscross the United States. The lines carry as much as 500,000 volts and deliver electricity to homes and businesses. High-voltage lines carry more than 230 kilovolts (kV). Transmitting electricity at high voltages delivers maximum efficiency when large amounts of power travel long distances. The current decreases when the voltage increases. Therefore, the inverse relationship helps conserve electrical power and energy. Low currents require low resistance within conductors and lead to minimal energy loss.

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