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NERC Data and InformationNERC Data and Information ProcessesReliability Issues Steering Committee MeetingMarch 12, 2013
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NERC Databases ‐ Overview
TADS( )
EA( )
Event Report Cause Codes
Transmission Outages and Cause Codes
(OATI)(Access) Cause Codes
R li bili
and Cause Codes
G i OGADS(OATI)
RADS(XLS)
Reliability Assessment Data
Generation Outages and Cause Codes
MisOps(OATI)
CRATSProtection System Misoperations and Cause Codes
Violations and Enforcement Records( ) Cause Codes
DADS SED Spare Equipment Demand Response DADS(OATI)
SED(OATI)
Databasep
Performance
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Reliability Assessments Data Collectiony
RFC SERC
FRCC
MRO
NPCCRFC SERC SPP
RE
TRE
WECC
RADS(XLS)
FRCC WECC
(XLS)
ES&DLTRASA
Assessments• Summer Assessment• Winter AssessmentElectricity Supply and
EIA 411ES&D SAWA
Winter Assessment• Long‐Term Reliability Assessment
y pp yDemand Database EIA‐411
DOE Reports3
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Events Analysis Data Collection
RFC SERC
FRCC
MRO
NPCCRFC SERC SPP
RE
TRE
WECCFRCC WECC
Staff Review and CodingCoding
EAStaff Data AnalysisEA
(Access)Analysis
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Generating Availability Data System
G GG GG GG
GADS(OATI)
GAR BrochureGenerating
Availability ReportGenerating Unit Statistical Brochurey p
5
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Transmission Availability Data System
TOTOTOTO TO TO TO TOTOTOTO TO TO TO
TADS(OATI)
WECC
(OATI)
TADS
Transmission Availability Data6
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Demand Response Availability Data System
DRDRDRDR DR DR DR
DADS(OATI)
DADS
Demand Response Report7
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Misoperation Data Collection
RFC SERC
FRCC
MRO
NPCCRFC SERC SPP
RE
TRE
WECCFRCC WECC
MisOps(OATI)(OATI)
Protection Systems Misoperations Task
Force
Staff Data Analysis
Force
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NERC Metrics and Indicators
RADS TADSDADS(OATI)
(XLS) (OATI)IDC/CRC/
TLR RCIS
(OATI)
Metrics
Additi l
CRATSSED(OATI)
MisOps(OATI)
Additional Regional Data
S RSoR
State of Reliability Report9
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SRISRI is a WEIGHTED IMPACT METRIC based on the loss of…
TADS GADSOE 417
60%60% 30%30% 10%10%
Load Lost Generation Lost
Load RestorationPromptness
Transmission Lost*System Load System Generation
PromptnessLevel
Adjustment
System Transmission
Daily SRI = Sum of all event SRIs for that day
*Transmission calculation is simplifiedSRI is often scaled by 1000 for ease of use
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Questions and AnswersQuestions and Answers
RELIABILITY | ACCOUNTABILITY