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NERC Data and InformationNERC Data and Information ProcessesReliability Issues Steering Committee MeetingMarch 12, 2013
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
2
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
Events Analysis Data Collection
RFC SERC
FRCC
MRO
NPCCRFC SERC SPP
RE
TRE
WECCFRCC WECC
Staff Review and CodingCoding
EAStaff Data AnalysisEA
(Access)Analysis
4
Generating Availability Data System
G GG GG GG
GADS(OATI)
GAR BrochureGenerating
Availability ReportGenerating Unit Statistical Brochurey p
5
Transmission Availability Data System
TOTOTOTO TO TO TO TOTOTOTO TO TO TO
TADS(OATI)
WECC
(OATI)
TADS
Transmission Availability Data6
Demand Response Availability Data System
DRDRDRDR DR DR DR
DADS(OATI)
DADS
Demand Response Report7
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
8
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
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
Questions and AnswersQuestions and Answers
RELIABILITY | ACCOUNTABILITY