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Exam SCR topic 1 question 47 discussion

Actual exam question from GARP's SCR
Question #: 47
Topic #: 1
[All SCR Questions]

A prominent housing developer plans construction of a small low-carbon-emitting city in an equatorial nation. The developer plans to maximize renewable energy use and estimates daily city summer solar energy generation capacity and load (total electricity demand), in megawatts (MW):

The developer estimates the following for capacity and load:
At 14:00 solar generation is highest at 720 MW
At 20:00 solar generation decreases to 0 MW
At 20:00 load is highest at 980 MW
At 4:00 load is lowest at 380 MW
How should the developer meet additional energy demand while achieving the lowest-carbon-emission goal option?

  • A. Increase solar capacity by 800 MW and install 200 MW of battery storage.
  • B. Install 750 MW of natural gas energy generation with 250 MW of energy efficiency measures.
  • C. Install 750 MW of coal energy generation with an additional 250 MW of intermittent renewable energy.
  • D. Increase solar capacity by 200 MW and install 800 MW of wind energy.
Show Suggested Answer Hide Answer
Suggested Answer: D 🗳️
by Karnitschnig at April 15, 2023, 7:16 a.m.

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Gs2410
1 year, 1 month ago
Selected Answer: D
key point is equatorial nation. wind energy is the best alternate renewable solution
upvoted 1 times
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CecileC
1 year, 7 months ago
Selected Answer: A
Correct answer is A.
upvoted 1 times
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Karnitschnig
1 year, 7 months ago
Selected Answer: A
Wind is intermittent too, not a good fix for the problem. And the numbers don't make sense. Batteries do for this case. Poor question
upvoted 1 times
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