Contemporary Engineering Economics (6th Edition)
Contemporary Engineering Economics (6th Edition)
6th Edition
ISBN: 9780134105598
Author: Chan S. Park
Publisher: PEARSON
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Chapter 5, Problem 46P

(a):

To determine

Calculate the present worth.

(b):

To determine

Calculate the new present worth.

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An integrated, combined cycle power plant produces 295 MW of electricity by gasifying coal. The capital investment for the plant is $450 million, spread evenly over two years. The operating life of the plant is expected to be 15 years. Additionally, the plant will operate at full capacity 72% of the time (downtime is 28% of any given year). The MARR is 8% per year. a. If this plant will make a profit of two cents per kilowatt-hour of electricity sold to the power grid, what is the simple payback period of the plant? Is it a low-risk venture? b. What is the IRR for the plant? Is it profitable? a. The simple payback period of the plant is 12.1 years. (Round up to one decimal place.) It's a high-risk venture. b. The IRR for the plant is %. (Round to one decimal place.)
An integrated, combined cycle power plant produces 280 MW of electricity by gasifying coal. The capital investment for the plant is $690 million, spread evenly over two years. The operating life of the plant is expected to be 17 years. Additionally, the plant will operate at full capacity 78% of the time (downtime is 22% of any given year). The MARR is 5% per year. a. If this plant will make a profit of three cents per kilowatt-hour of electricity sold to the power grid, what is the simple payback period of the plant? Is it a low-risk venture? b. What is the IRR for the plant? Is it profitable? O
An integrated, combined cycle power plant produces 285 MW of electricity by gasifying coal. The capital investment for the plant is $530 million, spread evenly over two years. The operating life of the plant is expected to be 18 years. Additionally, the plant will operate at full capacity 76% of the time (downtime is 24% of any given year). The MARR is 7% per year. a. If this plant will make a profit of two cents per kilowatt-hour of electricity sold to the power grid, what is the simple payback period of the plant? Is it a low-risk venture? b. What is the IRR for the plant? Is it profitable? a. The simple payback period of the plant is 14 years. (Round up to one decimal place.) It's a high-risk venture. b. The IRR for the plant is %. (Round to one decimal place.) CHE
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