U.S. Electric Power System Quiz

Which of the following is NOT a source of bulk generation in the U.S. electric power system?

• Coal

• Wind

• Solar

• Market Operator

The role of a step-up transformer in the U.S. electric power system is:

• To increase the voltage for long-distance transmission

• To decrease the voltage for safe home usage

• To convert AC to DC

• To store electrical energy

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Which of the following is a part of the transmission subsystem in the U.S. electric power system?

What does the acronym DER stand for in the context of the U.S. electric power system?

• Distributed Energy Resources

• Direct Energy Regulation

• Dynamic Energy Response

• Decentralized Energy Reserves

Which of the following is NOT included in the legend of the schematic representation of the U.S. electric power system?

• Data Flows

• Controllable Power Flows

• Variable Power Flows

• Energy Generation Flows

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What percentage of the U.S. primary energy use was devoted to electricity generation in 2014?

• 18%

• 39%

• 50%

• 80%

How many operational power plants of at least 1 megawatt were there in the U.S. electric power system in 2014?

• 5,000

• 6,500

• 7,500

• 8,000

What was the total revenue from electricity sales in 2014?

• $104 billion

• $200 billion

• $393 billion

• $500 billion

Which energy sources each provide roughly one-third of total U.S. generation today?

• Coal and nuclear

• Natural gas and hydroelectric

• Coal and natural gas

• Solar and wind

What percentage of U.S. delivered energy did electricity account for in 2014?

• 18%

• 25%

• 30%

• 39%

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