The input-output curve of a gas-fired generating unit is approximated by the following function: Η (P) : 120 + 9.3 P + 0.0025 P² MJ/h This unit has a minimum stable generation of 200 MW and a maximum output of 500 MW. The cost of gas is 1.20 $/MJ. Over a 6-h period, the output of this unit is sold in a market for electrical energy at the prices shown in the table below. Period 1 2 3 4 5 6 Price ($/MWh) 12.5 10 13 13.5 15 11
The input-output curve of a gas-fired generating unit is approximated by the following function: Η (P) : 120 + 9.3 P + 0.0025 P² MJ/h This unit has a minimum stable generation of 200 MW and a maximum output of 500 MW. The cost of gas is 1.20 $/MJ. Over a 6-h period, the output of this unit is sold in a market for electrical energy at the prices shown in the table below. Period 1 2 3 4 5 6 Price ($/MWh) 12.5 10 13 13.5 15 11
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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![4.2 The input-output curve of a gas-fired generating unit is approximated by the
following function:
H(P) = 120 + 9.3 P + 0.0025 P² MJ/h
This unit has a minimum stable generation of 200 MW and a maximum output
of 500 MW. The cost of gas is 1.20 $/MJ. Over a 6-h period, the output of
this unit is sold in a market for electrical energy at the prices shown in the
table below.
Period
1
3
4
6
Price ($/MWh)
12.5
10
13
13.5
15
11
Assuming that this unit is optimally dispatched, is initially on-line and cannot
be shut down, calculate its operational profit or loss for this period.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffae17730-c00e-4998-b551-bfee0e7275e8%2F14fe4563-16f8-41be-8a4b-3af1178f9350%2Fw6be2uo_processed.png&w=3840&q=75)
Transcribed Image Text:4.2 The input-output curve of a gas-fired generating unit is approximated by the
following function:
H(P) = 120 + 9.3 P + 0.0025 P² MJ/h
This unit has a minimum stable generation of 200 MW and a maximum output
of 500 MW. The cost of gas is 1.20 $/MJ. Over a 6-h period, the output of
this unit is sold in a market for electrical energy at the prices shown in the
table below.
Period
1
3
4
6
Price ($/MWh)
12.5
10
13
13.5
15
11
Assuming that this unit is optimally dispatched, is initially on-line and cannot
be shut down, calculate its operational profit or loss for this period.
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