ECON2199 GWU Energy Economics Problems

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Question Description

Answer 2 questions in the problem set, in which the instructions are there. Questions 2 and 3 are required. 1 is already answered.

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THE GEORGE WASHINGTON UNIVERSITY

Department of Economics

ECON 2199 Energy Economics

Problem Set 1  due on Monday, February 4th  in class. If you are not sure you will be in class, you may put it in my mailbox in the Department of Economics Office or send a pdf file. If you choose the later, the file format name must be ee_ps1_yourname.pdf.

You make work in a group of 2-3 people on the problem set. Please turn in a single problem set. Read how each question is structured. They are designed to lead you through the particular issue or concept. Please draw a box around final answers. You must show your work in order to receive full credit. You may collaborate with other students. If you do so, only turn in one problem set with everyone’s name on it.

A coal burning electric generating power plant burns 3 tons of fuel oil to generate 8000kWh of electricity. Calculate the efficiency of the plant as the ratio of electricity output to fuel energy input.

e.g. Convert the tons of fuel oil into kWh

 

Your room mate leaves a 100W electric light bulb on continuously for one month (30 days). Assume that electricity generation and transmission losses are 40%.

How much electricity was needed to keep the light on? 

How much chemical energy in joules was wasted at the power plant for the oversight? 

If residential electricity costs $0.11/kWh, what is the cost on your utility bill?

Repeat your answers if a high efficiency light bulb (17W) producing the same luminescence was left on.  Compare the costs?

You are given the following information for Thailand.

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THE GEORGE WASHINGTON UNIVERSITY Department of Economics ECON 2199 Energy Economics Problem Set 1 due on Monday, February 4th in class. If you are not sure you will be in class, you may put it in my mailbox in the Department of Economics Office or send a pdf file. If you choose the later, the file format name must be ee_ps1_yourname.pdf. You make work in a group of 2-3 people on the problem set. Please turn in a single problem set. Read how each question is structured. They are designed to lead you through the particular issue or concept. Please draw a box around final answers. You must show your work in order to receive full credit. You may collaborate with other students. If you do so, only turn in one problem set with everyone’s name on it. 1. A coal burning electric generating power plant burns 3 tons of fuel oil to generate 8000kWh of electricity. Calculate the efficiency of the plant as the ratio of electricity output to fuel energy input. e.g. Convert the tons of fuel oil into kWh 2. Your room mate leaves a 100W electric light bulb on continuously for one month (30 days). Assume that electricity generation and transmission losses are 40%. a. How much electricity was needed to keep the light on? b. How much chemical energy in joules was wasted at the power plant for the oversight? c. If residential electricity costs $0.11/kWh, what is the cost on your utility bill? d. Repeat your answers if a high efficiency light bulb (17W) producing the same luminescence was left on. Compare the costs? 3. You are given the following information for Thailand. Final Energy Consumption by Type in KTOE coal oil nat gas renew 2006 2007 2008 2009 2010 7489 6981 7744 7493 8240 31650 32298 31207 31661 32096 2234 2594 3153 3568 3769 10993 11645 12245 12455 13418 Source: Energy Ministry of Thailand a. Enter the data into a spreadsheet. Make additional copies of the table without the consumption numbers – one for annual and the second for daily. Enter the data into the tables from your calculations below and identify the units in each column. (you may change the scale of the units, if you think it will make more intuitive sense.) b. Convert the coal consumption series into MBTUs and short tons annually and per day. c. Convert oil consumption into millions of barrels annually and per day d. Convert the natural gas consumption into billions of cubic feet and MBTU annually and daily. e. Convert the renewable energy consumption into TWH, terawatt hours, annually and daily. ...
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Tutor Answer

Dmitry
School: UCLA

Attached.

Final Energy Consumption by Type in KTOE
Coal
Oil
Nat gas
Renew
2006
7489
31650
2234
10993
2007
6981
32298
2594
11645
2008
7744
31207
3153
12245
2009
7493
31661
3568
12455
2010
8240
32096
3769
13418

Final Energy consumption by Type(annual)
Coal
Oil
Nat gas
Renew
2006 297544 MBTU
3545588
589554 5214885
2007 2770284 MBTU
458664
545555
985255
2008 365415 MBTU
548585 6582118
985585
2009 445868 MBTU
5985598
859985 5558655
2010 6528899 MBTU 5985825
558525
558282

Final Energy consumption by Type(daily)
Coal
Oil
Nat gas
Renew
2006 815.18 MBTU
1725
5456
2565
2007 7589 MBTU
2652
2652
5412
2008 5868 MBTU
5258
5526
5522
2010 6885 MBTU
2365
5523
6536


Outline
Question 1 well answered and a clear detail on how I arrived at the answer.


Efficiency



Chemical energy



Conversion of oil consumption, coal consumption and natural gas consumption to
MBTUs, millions ...

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Review

Anonymous
Goes above and beyond expectations !

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