Florida Generation owns two generating units with the following cost curve: C_ =15+1.4P, +0.04P; $/h, C, = 25 + 1.6P, + 0.02P; S/h, 50 sP, <150 200
Florida Generation owns two generating units with the following cost curve: C_ =15+1.4P, +0.04P; $/h, C, = 25 + 1.6P, + 0.02P; S/h, 50 sP, <150 200
Chapter1: Making Economics Decisions
Section: Chapter Questions
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![**Power Generation Cost Optimization**
Florida Generation owns two generating units with the following cost curves:
For unit A:
\[ C_A = 15 + 1.4P_A + 0.04P_A^2 \quad \text{\$/h}, \quad 50 \le P_A \le 150 \]
For unit B:
\[ C_B = 25 + 1.6P_B + 0.02P_B^2 \quad \text{\$/h}, \quad 200 \le P_B \le 500 \]
The company needs to supply a demand of 400 MW. Power can also be purchased from the wholesale power market at a market clearing price of $15/MWh.
**Tasks:**
1. Determine the optimal production level for each unit, \( P_A \) and \( P_B \), and the optimal amount of power \( P_M \) to be purchased from the wholesale market.
2. Compute the total cost to supply this demand.
This involves finding the cost-effective balance between generating power internally through units A and B or purchasing additional power from the market. The mathematical challenge is to minimize costs while meeting the specific demand constraints.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbf39397d-cff1-4eb1-98e5-06c79e9fa8b7%2F7ece7500-aff7-4342-8ffe-cb6eff1b88ff%2Fhxll02b_processed.png&w=3840&q=75)
Transcribed Image Text:**Power Generation Cost Optimization**
Florida Generation owns two generating units with the following cost curves:
For unit A:
\[ C_A = 15 + 1.4P_A + 0.04P_A^2 \quad \text{\$/h}, \quad 50 \le P_A \le 150 \]
For unit B:
\[ C_B = 25 + 1.6P_B + 0.02P_B^2 \quad \text{\$/h}, \quad 200 \le P_B \le 500 \]
The company needs to supply a demand of 400 MW. Power can also be purchased from the wholesale power market at a market clearing price of $15/MWh.
**Tasks:**
1. Determine the optimal production level for each unit, \( P_A \) and \( P_B \), and the optimal amount of power \( P_M \) to be purchased from the wholesale market.
2. Compute the total cost to supply this demand.
This involves finding the cost-effective balance between generating power internally through units A and B or purchasing additional power from the market. The mathematical challenge is to minimize costs while meeting the specific demand constraints.
Expert Solution

Step 1
A cost curve is a graph representing the production costs as a function of the total amount produced in economics. A cost curve is the consequence of productively efficient enterprises optimizing their production process by minimizing cost consistent with each potential level of production in a free market economy.
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