Understanding Heat Rate

What is the simplest definition of heat rate?

• The efficiency of a power plant.

• The amount of consumed heat energy to generate power in a certain time.

• The amount of power generated in a certain time.

• The total energy output of a system.

In which units is heat rate most commonly expressed?

• Watts per second

• Kilocalories per kilowatt hour

• Kilowatts per hour

• Joules per second

What is the power output of the coal-fired power plant in the example?

• 50 megawatts

• 200 megawatts

• 100 megawatts

• 150 megawatts

How much coal is used by the power plant in the example?

• 60 tons

• 30 tons

• 40 tons

• 50 tons

What is the final calculated heat rate for the power plant in the example?

• 1800 kilocal per kilowatt hour

• 2400 kilocal per kilowatt hour

• 2000 kilocal per kilowatt hour

• 2200 kilocal per kilowatt hour