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What is the Voltage of Lightning?

Published in Electrical Discharge 2 mins read

A typical lightning flash carries an immense voltage of approximately 300 million Volts. This extraordinary electrical potential is a key factor in the incredible power and destructive capability of a lightning strike.

Comparing Lightning to Household Electricity

To put the immense voltage of lightning into perspective, it's helpful to compare it with the electricity we use every day. Household electrical outlets, for instance, typically operate at a mere 120 Volts. The difference highlights the colossal scale of energy involved in a lightning discharge.

Here's a quick comparison of electrical characteristics:

Characteristic Lightning Strike Household Current
Voltage 300 million V 120 V
Amperage 30,000 A 15 A

Understanding the Full Power of Lightning

While voltage is a critical component, the total power of lightning also depends on its current. A single lightning strike can carry about 30,000 Amps of current. This combination of incredibly high voltage and massive current results in an enormous release of energy, generating intense heat and light. It's this extreme power that allows lightning to cause significant damage, ignite fires, and poses a severe threat to anything in its path.

For more detailed information about the power of lightning, you can refer to resources provided by the National Weather Service.