climate initiative: thermoelectric power · pdf filewithdrawal & consumptive use ......
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CLIMATE INITIATIVE: THERMOELECTRIC POWER
Susan HutsonSusan HutsonMid‐Atlantic Water Use WorkshopBaltimore, MD April 19‐20, 2010
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BROAD RESEARCH TOPIC AREASBROAD RESEARCH TOPIC AREAS
• Develop consistent thermoelectric powerDevelop consistent thermoelectric power water use data for water availability integrationintegration
• Establish data standards to ensure data fidelityW ki t d lit t d d f– Working toward a common quality standard for the data
Id tif d t• Identify data gaps
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GOALSGOALS
• Plan framework and approach for collectingPlan framework and approach for collecting an optimal TH data set
• Identify uncertainties in the data and turn h i hthem into research areas
• Identify potential uncertainties in the output
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THERMOELECTRIC POWER DATATHERMOELECTRIC POWER DATALS • Cooling W • NOT SE • ESTIMATED
RAWAL • Cooling
and other• Fuel type
RN FLO
W NOTESTIMATED
TIVE
US ESTIMATED
THROUGH 1995
WITHD • Cooling
type
RETU
R
SUMPT
W
CON
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THERMOELECTRIC RESEARCH COMPONENTS
1. GAO1. GAO recommendations
2. Power plant data preview
3. Estimation methods
4. TH trend factors
5. Once‐through cooling g gdischarge plume evaporation
Cumberland Intake
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COMPONENT 1GAO RECOMMENDATIONS GOALGOAL
• Improve the usefulness of the data collection by USGS
• Better inform the nation’s understanding of power plant water use and how it affectspower plant water use and how it affects water availability
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GAO RECOMMENDATION ONEGAO RECOMMENDATION ONE
• Expand efforts to disseminate available EIAExpand efforts to disseminate available EIA data on the thermoelectric power plant use of alternative water sourcesalternative water sources
T t d ffl t– Treated effluent
– Groundwater not suitable for drinking or irrigation
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GAO RECOMMENDATION TWOGAO RECOMMENDATION TWO
• Reinstate the collection and distribution ofReinstate the collection and distribution of water consumption data at thermoelectric power plantspower plants
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GAO RECOMMENDATION THREEGAO RECOMMENDATION THREE
DOE‐Energy Information Agency and USGSDOE Energy Information Agency and USGS• Establish a process to regularly coordinate
each othereach otherwater & electricity industry expertsenvironmental groups g pacademicsother federal agenciesg
• Improve data collection and disseminationp
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RESEARCH COMPONENT 2POWER PLANT DATA REVIEW l/kWhPOWER PLANT DATA REVIEW: gal/kWh
• Review 2005 USGS sources of data and estimation methods • Determine the comprehensiveness of the USGS TH record• Identify TH datasets
Ch t i l t di t• Characterize power plants according to– Process– Fuel type– Cooling‐system type– Age of plant– Other technologies
• Group similar plants and identify the range of gal/kWh associated with group
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RESEARCH COMPONENT 2POWER PLANT DATA REVIEW l/kWhPOWER PLANT DATA REVIEW: gal/kWh
l h i l f h il bili f• Evaluate the time cycle for the availability of new data from EIA and other industry sources
ll il bili f d f das well as availability of data from states and the inventorying activities of the WSCs
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RESEARCH COMPONENT 3WITHDRAWAL & CONSUMPTIVE USEWITHDRAWAL & CONSUMPTIVE USE ESTIMATION TECHNIQUES
• Build and test a coefficient‐based model, and compare the results with previous USGS‐NWUIP estimates.
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RESEARCH COMPONENT 3WITHDRAWAL & CONSUMPTIVE USEWITHDRAWAL & CONSUMPTIVE USE ESTIMATION TECHNIQUES
• Consumptive use = evaporation from heated water ~ heat rejection to water from power l tplant
• Integrate the gal/kWh results from objective 2• Literature
– Data quality, completeness, accessibility– Levels of certainty with different plants– Range of error in existing estimation approaches
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RESEARCH COMPONENT 4FACTORS AFFECTING THERMOELECTRIC POWER WITHDRAWAL TRENDS
400
450
500
250
300
350
400
HD
RAW
ALS
50
100
150
200WIT
H
0
50
50 55 60 65 70 75 80 85 90 95 00 05
US TOTAL WATER WITHDRAWAL TRENDSUS TOTAL WATER WITHDRAWAL TRENDS
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RESEARCH COMPONENT 4THERMOELECTRIC POWER TRENDS
300
200BG
D
200
HD
RA
WA
LS,
100
WIT
H
050 55 60 65 70 75 80 85 90 95 00 05
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RESEARCH COMPONENT 5
MODELING ONCE-THROUGH COOLING EVAP LOSSES
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