Engineering Economy, Student Value Edition (17th Edition)
17th Edition
ISBN: 9780134838137
Author: William G. Sullivan, Elin M. Wicks, C. Patrick Koelling
Publisher: PEARSON
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Chapter 5, Problem 62P
A hospital germ-fighting and floor cleaning robot, named Maurice, costs $104,000. Patients are billed $1 per day for Maurice’s use and upkeep. A certain 300-bed hospital is considering purchasing this robot. What is the simple payback period for Maurice? What assumptions did you make? (5.8)
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3. Case 2) Coal plants exit, and Solar generation enters the market
Now, let's consider a scenario where the coal power plant (#1) shuts down and exits the market,
and a solar generation facility is constructed. The capacity of the solar generation facility is the
same as the coal power plant that went out of business. The generation capacities of this market
are shown below, along with their MC.
Table 3: Power Plant Capacity and Marginal Cost: Case 2
Plant #
Energy Source
Capacity (MW)
MC (S/MWh)
2
Oil
100
90
3
Natural Gas
500
50
4
Nuclear
600
0
5
Solar
300
5
Note that the solar plant (#5) can generate electricity only from 7 AM until 5PM. During these
hours, the plant can generate up to its full capacity (300 MW) but cannot generate any when
unavailable.
(a) Draw a supply curve for each hourly market (4AM, 10 AM, 2PM, 6PM).
(b) Find the market clearing prices and calculate how much electricity each power plant
generates in the hourly market (4AM, 10AM, 2PM, and 6PM).
(c) Find the…
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- Retail sales have also experienced fluctuations but have generally trended upwards. After a…
Chapter 5 Solutions
Engineering Economy, Student Value Edition (17th Edition)
Ch. 5.A - Use the ERR method with = 8% per year to solve for...Ch. 5.A - Apply the ERR method with = 12% per year to the...Ch. 5.A - Are there multiple IRRs for the following...Ch. 5.A - Are there multiple IRRs for the following cash...Ch. 5 - Tennessee Tool Works (TTW) is considering...Ch. 5 - Prob. 2PCh. 5 - Prob. 3PCh. 5 - Prob. 4PCh. 5 - What is the capitalized worth of a project that...Ch. 5 - A large induced-draft fan is needed for an...
Ch. 5 - Prob. 7PCh. 5 - Prob. 8PCh. 5 - Prob. 9PCh. 5 - A corporate bond pays 5% of its face value once...Ch. 5 - Prob. 11PCh. 5 - Prob. 12PCh. 5 - Prob. 13PCh. 5 - The cash-flow diagram below has an internal rate...Ch. 5 - Prob. 15PCh. 5 - Prob. 16PCh. 5 - Prob. 17PCh. 5 - Prob. 18PCh. 5 - Prob. 19PCh. 5 - Your firm is thinking about investing 200,000in...Ch. 5 - Determine the FW of the following engineering...Ch. 5 - Prob. 22PCh. 5 - Fill in Table P5-23 below when P = 10,000, S = 2,...Ch. 5 - An asset has an initial capital investment of4...Ch. 5 - A simple, direct space heating system is currently...Ch. 5 - Prob. 26PCh. 5 - Prob. 27PCh. 5 - Prob. 28PCh. 5 - Prob. 29PCh. 5 - Its easier to make money when interest rates in...Ch. 5 - Prob. 31PCh. 5 - Prob. 32PCh. 5 - Stan Moneymaker has been informed of a major...Ch. 5 - The required investment cost of a new, large...Ch. 5 - Prob. 35PCh. 5 - A parking garage has a capital investment cost of...Ch. 5 - The city of Oak Ridge is considering the...Ch. 5 - Prob. 38PCh. 5 - Prob. 39PCh. 5 - Prob. 40PCh. 5 - Prob. 41PCh. 5 - Prob. 42PCh. 5 - Prob. 43PCh. 5 - To purchase a used automobile, you borrow 10,000...Ch. 5 - Your boss has just presented you with the summary...Ch. 5 - Experts agree that the IRR of a college education...Ch. 5 - A company has the opportunity to take over a...Ch. 5 - The prospective exploration for oil in the outer...Ch. 5 - Prob. 49PCh. 5 - An integrated, combined cycle power plant produces...Ch. 5 - A computer call center is going to replace all of...Ch. 5 - Prob. 52PCh. 5 - Prob. 53PCh. 5 - Prob. 54PCh. 5 - The upturned wingtips on jet aircraft reduce drag...Ch. 5 - Prob. 56PCh. 5 - Prob. 57PCh. 5 - Prob. 58PCh. 5 - In southern California a photovoltaic (PV) system...Ch. 5 - a. Calculate the IRR for each of the three...Ch. 5 - Prob. 61PCh. 5 - A hospital germ-fighting and floor cleaning robot,...Ch. 5 - Prob. 63PCh. 5 - Prob. 64SECh. 5 - Prob. 65SECh. 5 - Prob. 66SECh. 5 - A certain medical device will result in an...Ch. 5 - Refer to Problem 5-61. Develop a spreadsheet to...Ch. 5 - Prob. 69CSCh. 5 - Prob. 70CSCh. 5 - Suppose that the average utilization of the CVD...Ch. 5 - Prob. 72FECh. 5 - Prob. 73FECh. 5 - Prob. 74FECh. 5 - Prob. 75FECh. 5 - Prob. 76FECh. 5 - Prob. 77FECh. 5 - Prob. 78FECh. 5 - Prob. 79FECh. 5 - A new machine was bought for 9,000 with life of...Ch. 5 - Prob. 81FECh. 5 - Prob. 82FECh. 5 - Prob. 83FECh. 5 - Prob. 84FECh. 5 - Prob. 85FE
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- 4. Case 3) Electricity demand increases due to increased EV adoption We will continue using the Case 2 supply curve (with the solar plant in operation) for this analysis. Suppose that electricity consumption from electric vehicles (EV) increases significantly. Consequently, electricity demand in the wholesale market increases at every hour. The new demand levels are shown in Table 5 below. The market operator has backup power plants (using natural gas) ready, with a total capacity of 300 MW and a MC of $100/MWh. Table 5: Hourly Demand (selected hours) Hour Demand (MWh) 4 AM 800 10 AM 1000 ... 2 PM 1100 ... 6 PM 1300 (a) Find the market clearing prices and calculate how much electricity each power plant generates in the hourly market (4AM, 10AM, 2PM, and 6PM). Is there a specific hourly market in which the market operator will need to dispatch backup generation? (b) Compare the Case 2 scenario with the Case 3 scenario in terms of CO2 emissions and average electricity price. Based on…arrow_forward2. Case 1) NG price decreases Now, suppose that the price of natural gas decreased substantially, causing the marginal cost of the NG power plant to decrease to MC = $35/MWh. The demand is the same as in Case 0. (a) Draw a new supply curve that reflects the MC change of the NG power plant. (b) Find the market clearing prices and calculate how much electricity each power plant generates in the hourly market (4AM, 10AM, 2PM, and 6PM). (c) What happened to the coal power plant? (d) Do you think the market outcomes (like average price) and the total CO2 emissions have improved under this Case 1 scenario (use the emissions data provided in the lecture slides)?arrow_forward1. Case 0) Baseline case Table 1: Power Plant Capacity and Marginal Cost: Case 0 Plant # Energy Source Capacity (MW) MC (S/MWh) 1 Coal 300 45 2 Oil 100 90 3 4 Natural Gas Nuclear 500 50 600 0 (a) Calculate the capacity mix of this market by energy source. (b) Draw a supply curve of this wholesale generation market. Table 2 below shows the demand levels for selected hours of a representative day. We will consider only these four hourly markets for our analysis. Note that the 6 PM demand is the highest demand level of the day. Table 2: Hourly Demand (selected hours) Hour Demand (MWh) 4 AM 500 10 AM 700 2 PM 800 6 PM 1000 (c) Find the market clearing prices and calculate how much electricity each power plant generates in the hourly market (4AM, 10AM, 2PM, and 6PM). (d) Find the average price of electricity (by taking a simple average of hourly prices; [P(4am) + P(10AM) + P(2PM) + P(6PM)]/4).arrow_forward
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