Energy—Costs and Values Mike Schmidt Emerson Process Management T-I-E Workshop February 10, 2006.
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Transcript of Energy—Costs and Values Mike Schmidt Emerson Process Management T-I-E Workshop February 10, 2006.
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Energy—Costs and ValuesEnergy—Costs and Values
Mike SchmidtMike SchmidtEmerson Process ManagementEmerson Process Management
T-I-E WorkshopT-I-E WorkshopFebruary 10, 2006February 10, 2006
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Learning ObjectivesLearning Objectives
Understanding how we consume energy in Understanding how we consume energy in our daily livesour daily lives
Understanding the choices we can make Understanding the choices we can make to influence our energy consumptionto influence our energy consumption
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DiscoveryDiscovery
What is the mix of teachers in the class?What is the mix of teachers in the class?High school, middle school, elementaryHigh school, middle school, elementaryUrban, suburban, exurban (small town or Urban, suburban, exurban (small town or
rural)rural)Public, privatePublic, private
What resources do you have available?What resources do you have available?Well-stocked, well-equipped labsWell-stocked, well-equipped labsAmple, or at least adequate, budgetAmple, or at least adequate, budgetCorporate or plant resources Corporate or plant resources
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In what form does our energy come?In what form does our energy come?
ElectricityElectricityNatural gasNatural gasGasolineGasoline
Others?Others?
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Energy saving tipsEnergy saving tips
Write down some ways that you’ve heard Write down some ways that you’ve heard suggested for a Midwestern family to save suggested for a Midwestern family to save on energy costson energy costs
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How do we buy energy?How do we buy energy?
Electricity – by the kilowatt-hourElectricity – by the kilowatt-hourNatural gas – by the 100 cubic feetNatural gas – by the 100 cubic feetGasoline – by the gallonGasoline – by the gallon
All energy – by the $All energy – by the $
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Develop a hypothesisDevelop a hypothesis
How does your family spend its energy How does your family spend its energy dollar?dollar?
How much does your family spend on How much does your family spend on energy?energy?
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Test the hypothesisTest the hypothesis
Develop procedureDevelop procedureCollect dataCollect dataAnalyze data Analyze data
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My household energy useMy household energy use
2005
18%
19%63%
Electricity
Natural Gas
Gasoline
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10 year earlier10 year earlier
2005
18%
19%63%
Electricity
Natural Gas
Gasoline
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Household energy use—over timeHousehold energy use—over time
$0
$1,000
$2,000
$3,000
$4,000
$5,000
$6,000
$7,000
1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005
Gasoline
Natural Gas
Electricity
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Draw conclusionsDraw conclusions
????????
Something really unusual happened in Something really unusual happened in 2001-2002.2001-2002.
Electricity and natural gas spending is Electricity and natural gas spending is fairly constant, but gasoline spending is fairly constant, but gasoline spending is climbing.climbing.
What next?What next?
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Spending less means using lessSpending less means using less
Reduce the things we doReduce the things we doDo the things we do more efficientlyDo the things we do more efficiently
Where do we start?Where do we start?
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Reduce costs for gasolineReduce costs for gasoline
Hypothesis:Hypothesis:My family can reduce costs with a hybrid.My family can reduce costs with a hybrid.
Data:Data:Current 2 vehicles are paid for.Current 2 vehicles are paid for.They get around ~21 mpg.They get around ~21 mpg.My family spent $4000 on gasoline in 2005.My family spent $4000 on gasoline in 2005.Gasoline prices are at $2.20/gal and going up.Gasoline prices are at $2.20/gal and going up.
AnalysisAnalysisMy family drives about 38,000 miles a year.My family drives about 38,000 miles a year.
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Ford Escape HybridFord Escape Hybrid
Ford Escape Hybrid SUVMSRP: $27,51536 mpg city/31 mpg highway5 passengers
Ford Escape SUVMSRP: $19,99522 mpg city/26 mpg highway5 passengers
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Ford Escape-comparisonFord Escape-comparison
$27,515 vs. $19,995 = $7520$27,515 vs. $19,995 = $7520
19,000 miles per year, $2.20/gallon19,000 miles per year, $2.20/gallon 33.5 mpg vs. 24 mpg 33.5 mpg vs. 24 mpg $1248/yr vs. $1742/yr = $494/yr savings$1248/yr vs. $1742/yr = $494/yr savings
15.2 years to pay back15.2 years to pay back 5 year pay back if gasoline is $6.69/gallon5 year pay back if gasoline is $6.69/gallon 5 year pay back if hybrid costs $5050 less5 year pay back if hybrid costs $5050 less
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Honda Civic HybridHonda Civic Hybrid
Honda Civic Hybrid SedanMSRP: $21,85049 mpg city/51 mpg highway5 passengers
Honda Civic SedanMSRP: $14,56030 mpg city/40 mpg highway5 passengers
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Honda Civic-comparisonHonda Civic-comparison
$21,850 vs. $14,560 = $7290$21,850 vs. $14,560 = $7290
19,000 miles per year, $2.20/gallon19,000 miles per year, $2.20/gallon 50 mpg vs. 35 mpg 50 mpg vs. 35 mpg $836/yr vs. $1194/yr = $358/yr savings$836/yr vs. $1194/yr = $358/yr savings
20.4 years to pay back20.4 years to pay back 5 year pay back if gasoline is $8.96/gallon5 year pay back if gasoline is $8.96/gallon 5 year pay back if hybrid costs $5500 less5 year pay back if hybrid costs $5500 less
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Toyota PriusToyota PriusToyota Prius SedanMSRP: $21,72560 mpg city/51 mpg highway5 passengers
Toyota Corolla CE SedanMSRP: $14,10530 mpg city/38 mpg highway5 passengers
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Prius vs. Corolla CEPrius vs. Corolla CE
$21,725 vs. $14,105 = $7620$21,725 vs. $14,105 = $7620
19,000 miles per year, $2.20/gallon19,000 miles per year, $2.20/gallon 55.5 mpg vs. 34 mpg 55.5 mpg vs. 34 mpg $753/yr vs. $1229/yr = $476/yr savings$753/yr vs. $1229/yr = $476/yr savings
16.0 years to pay back16.0 years to pay back 5 year pay back if gasoline is $7.04/gallon5 year pay back if gasoline is $7.04/gallon 5 year pay back if hybrid costs $5240 less5 year pay back if hybrid costs $5240 less
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Can we draw conclusions?Can we draw conclusions?
For my family, the higher price for a hybrid For my family, the higher price for a hybrid is not worth the savings in fuelis not worth the savings in fuel
What conclusions can you suggest?What conclusions can you suggest?
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Other comparisonsOther comparisons
Is comparing between hybrid and non-Is comparing between hybrid and non-hybrid models the best way to draw hybrid models the best way to draw conclusions?conclusions?
What if we don’t care if its hybrid, as long What if we don’t care if its hybrid, as long as it gets good gas mileage?as it gets good gas mileage?
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Hyandai AccentHyandai Accent
Hyandai AccentMSRP: $12,45532 mpg city/35 mpg highway5 passengers
$1248 per year for gasoline
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Volkswagen JettaVolkswagen Jetta
Volkswagen Jetta SedanMSRP: $17,90036 mpg city/41 mpg highway5 passengers
$1085 per year for gasoline
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Pontiac VibePontiac Vibe
Pontiac Vibe HatchbackMSRP: $16,99030 mpg city/36 mpg highway5 passengers$1267 per year for gasoline
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Comparing total costsComparing total costs
MSRP Annual Gas* 5-year cost
Hyandai Accent Sedan $12,455 $1,248 $18,695
Toyota Corolla CE Sedan $14,105 $1,229 $20,250
Honda Civic Sedan $14,560 $1,194 $20,530
Pontiac Vibe Hatchback $16,990 $1,267 $23,325
Volkswagen Jetta Sedan $17,900 $1,085 $23,325
Toyota Prius Sedan $21,725 $753 $25,490
Honda Civic Hybrid Sedan $21,850 $836 $26,030
Ford Escape SUV $19,995 $1,742 $28,705
Ford Escape Hybrid SUV $27,515 $1,248 $33,755
*Based on 19,000 miles per year and $2.20/gal
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What if gas cost $6/gal?What if gas cost $6/gal?MSRP Annual Gas* 5-year cost
Hyandai Accent Sedan $12,455 $3,404 $29,473
Honda Civic Sedan $14,560 $3,256 $30,842
Toyota Corolla CE Sedan $14,105 $3,352 $30,864
Toyota Prius Sedan $21,725 $2,054 $31,993
Volkswagen Jetta Sedan $17,900 $2,959 $32,695
Honda Civic Hybrid Sedan $21,850 $2,280 $33,250
Pontiac Vibe Hatchback $16,990 $3,455 $34,267
Ford Escape SUV $19,995 $4,751 $43,750
Ford Escape Hybrid SUV $27,515 $3,404 $44,533
*Based on 19,000 miles per year and $6.00/gal
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How high must gas prices go?How high must gas prices go?
MSRPAnnual Gas* 5-year cost
Hyandai Accent Sedan $12,455 $4,674 $35,827
Toyota Prius Sedan $21,725 $2,820 $35,827
Honda Civic Sedan $14,560 $4,472 $36,920
Toyota Corolla CE Sedan $14,105 $4,603 $37,121
Honda Civic Hybrid Sedan $21,850 $3,131 $37,506
Volkswagen Jetta Sedan $17,900 $4,064 $38,219
Pontiac Vibe Hatchback $16,990 $4,745 $40,717
Ford Escape Hybrid SUV $27,515 $4,674 $50,887
Ford Escape SUV $19,995 $6,525 $52,618
*Based on 19,000 miles per year and $8.24/gal
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What about utilities?What about utilities?
Why do we use natural gas and Why do we use natural gas and electricity?electricity?
Form a hypothesisForm a hypothesis????????Test the hypothesisTest the hypothesis
Develop procedureDevelop procedureCollect dataCollect dataAnalyze dataAnalyze data
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ProcedureProcedure
Collect utility billsCollect utility billsLook for patternsLook for patterns
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Natural gas—a pattern?Natural gas—a pattern?
Natural Gas
$0
$50
$100
$150
$200
$250
$300
$350
Jan-
03
Apr
-03
Jul-
03
Oct
-03
Jan-
04
Apr
-04
Jul-
04
Oct
-04
Jan-
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Apr
-05
Jul-
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Oct
-05
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There is a base level of useThere is a base level of use
Natural Gas
$0
$50
$100
$150
$200
$250
$300
$350
Jan-
03
Apr
-03
Jul-
03
Oct
-03
Jan-
04
Apr
-04
Jul-
04
Oct
-04
Jan-
05
Apr
-05
Jul-
05
Oct
-05
Steady use all year long for hot water,
$28/month
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Natural gas—peaks in winter?Natural gas—peaks in winter?
Natural Gas
$0
$50
$100
$150
$200
$250
$300
$350
Jan-
03
Apr
-03
Jul-
03
Oct
-03
Jan-
04
Apr
-04
Jul-
04
Oct
-04
Jan-
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Apr
-05
Jul-
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Oct
-05
The peak use is for winter heating
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Can we draw conclusions?Can we draw conclusions?
Total use from Jan-03 to Dec-05: $3,339Total use from Jan-03 to Dec-05: $3,339Base level of gas use, for heating waterBase level of gas use, for heating water
$28/month, $336/year$28/month, $336/year$1,008 from Jan-03 to Dec-05: 30%$1,008 from Jan-03 to Dec-05: 30%
Most gas is used in the winter for heatingMost gas is used in the winter for heatingHeating season from October to AprilHeating season from October to AprilPeak is in January or FebruaryPeak is in January or February$2,331 from Jan-03 to Dec-05: 70%$2,331 from Jan-03 to Dec-05: 70%
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Any patterns in electricity use?Any patterns in electricity use?
Electricity
$0
$50
$100
$150
$200
$250
$300
Jan-
03
Apr
-03
Jul-
03
Oct
-03
Jan-
04
Apr
-04
Jul-
04
Oct
-04
Jan-
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Apr
-05
Jul-
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Oct
-05
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Electricity also has a base levelElectricity also has a base level
Electricity
$0
$50
$100
$150
$200
$250
$300
Jan-
03
Apr
-03
Jul-
03
Oct
-03
Jan-
04
Apr
-04
Jul-
04
Oct
-04
Jan-
05
Apr
-05
Jul-
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Oct
-05
Steady use all year long for lighting, cooking, etc.
$69/month
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Electricity peaks in summerElectricity peaks in summer
Electricity
$0
$50
$100
$150
$200
$250
$300
Jan-
03
Apr
-03
Jul-
03
Oct
-03
Jan-
04
Apr
-04
Jul-
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Oct
-04
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The peak use is for summer air conditioning
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More conclusions?More conclusions?
Total use from Jan-03 to Dec-05: $3,832Total use from Jan-03 to Dec-05: $3,832 Base level of electricity use, for lighting, cooking, Base level of electricity use, for lighting, cooking,
computing, etc., accounts for most usecomputing, etc., accounts for most use $69/month, $828/year$69/month, $828/year $2,484 from Jan-03 to Dec-05: 65%$2,484 from Jan-03 to Dec-05: 65%
About 1/3 of electricity use is for air conditioningAbout 1/3 of electricity use is for air conditioning Cooling season from May to SeptemberCooling season from May to September Peak is in July or AugustPeak is in July or August $1,348 from Jan-03 to Dec-05: 35%$1,348 from Jan-03 to Dec-05: 35%
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Does combining reveal anything?Does combining reveal anything?
Natural Gas and Electricity
$0$50
$100$150$200$250$300$350$400$450
Jan-
03
Apr
-03
Jul-
03
Oct
-03
Jan-
04
Apr
-04
Jul-
04
Oct
-04
Jan-
05
Apr
-05
Jul-
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Oct
-05
Combined base is $97/month
There is no gap between heating and cooling!!
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Consider your energy saving tipsConsider your energy saving tips
If changing filters on your furnace every If changing filters on your furnace every month instead of every year improved month instead of every year improved efficiency by 5%, what is that worth?efficiency by 5%, what is that worth?
If keeping your tires properly inflated If keeping your tires properly inflated improves gas mileage 5%, what is that improves gas mileage 5%, what is that worth?worth?
If keeping your air conditioning unit If keeping your air conditioning unit shaded reduces electricity use by 10%, shaded reduces electricity use by 10%, what is that worth?what is that worth?
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EvaluationEvaluation
What is the most useful thing you learned?What is the most useful thing you learned?What is the most surprising thing you What is the most surprising thing you
learned?learned?
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ReflectionReflection
Does energy have a value other than the Does energy have a value other than the dollar value we give it? Should it?dollar value we give it? Should it?
What reasons might one form of energy cost What reasons might one form of energy cost more or less than the same amount of more or less than the same amount of energy in a different form?energy in a different form?
What will happen to the cost and value of What will happen to the cost and value of energy when people in developing countries energy when people in developing countries like China and India can finally afford like China and India can finally afford automobiles and air conditioning?automobiles and air conditioning?
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ReferencesReferences
http://www.fueleconomy.govhttp://www.fueleconomy.gov, U.S.Dept. of , U.S.Dept. of Energy, Office of Energy Efficiency and Energy, Office of Energy Efficiency and Renewable Energy, U.S.Environmental Renewable Energy, U.S.Environmental Protection Agency.Protection Agency.
http://eia.doe.gov/http://eia.doe.gov/, Energy Information , Energy Information Administration.Administration.
http://www.eere.energy.gov/consumer/tips/http://www.eere.energy.gov/consumer/tips/, , Office of Energy Efficiency and Renewable Office of Energy Efficiency and Renewable Energy.Energy.