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Frequently Asked Questions – Electricity
Questions About Electricity...
How much can I expect to pay for heating this winter?
How much electricity does a typical American home use?
How is electricity consumed in U.S. homes?
How many coal-fired power plants are there in the U.S.?
How much electricity does a typical nuclear power plant generate?
 
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Question: How much electricity does a typical American home use?

In 2006, the average monthly residential electricity consumption was 920 kilowatthours (kWh).

Learn More: U.S. monthly electricity use and price (Excel)
Last updated: November 19, 2007
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Question: How is electricity consumed in U.S. homes?

Appliances account for 64.7% of electricity consumption in the average American household (2001). Refrigerators consumed the most electricity (14%), followed by lighting (9%).

Learn More: 2001 Statistics on electricity consumption by appliance

Last updated: April 16, 2008
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Question: How many coal-fired power plants are there in the U.S.?

In 2006, there were 616 facilities with 1,493 individual generators1 that used coal as the predominant fuel2 source for generating electricity.

503 are "power plants" owned by electric utilities and independent power producers that generate and sell electricity as their primary business.
The other 113 are at industrial, commercial, government, and institutional sites that use most or all of the electricity generated on-site.
Learn More: Generating Units in the United States, 2006

1 Although the facilities had at least one coal-fired generator, some facilities generated more electricity using other fuels.
2 Predominant fuel source based on total energy (Btu) content.

Last updated: March 7, 2008
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Question: How much electricity does a typical nuclear power plant generate?

In 2007, the “average” nuclear power plant generated about 12.4 billion kilowatt-hours (kWh). There were 65 nuclear power plants with 104 operating nuclear reactors that generated a total of 806.49 billion kilowatt-hours (kWh), or about 19% of the nation’s electricity.

Thirty-six of those plants had two or more reactors. The smallest nuclear plant has a single reactor with 476 MW of generation capacity and the largest has three reactors with a total of 3,825 MW of capacity.

The average plant capacity factor was 91.8 percent.

Learn More: Information and data on nuclear power reactors and Statistics about nuclear generated electricity (PDF).
Last updated: April 16, 2008
 
 
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