standards actions highlights and mintues 2013/… · serc spring workshop (march 2020) supply chain...
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RELIABILITY | RESILIENCE | SECURITY
Standards Actions
Howard Gugel, Vice President of Engineering and StandardsBoard of Trustees MeetingAugust 20, 2020
RELIABILITY | RESILIENCE | SECURITY2
• Reliability Benefits Clarify role of Planning Coordinator (PC) in the Western Interconnection
• Action Adopt PRC-006-5 – Automatic Underfrequency Load Shedding WECC
Regional Variance
WECC– Automatic Underfrequency Load Shedding
RELIABILITY | RESILIENCE | SECURITY3
• Background Review by NPCC resulted in revisions to Section 8 Processes to Change
Errata and minor conforming changes
• Action Approve NPCC Regional Standard Processes Manual
NPCC Regional Standard Processes Manual
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Supply Chain Update
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• Standard development Electronic Access Control and Monitoring Systems (EACMS) and Physical
Access Control Systems (PACS) Low impact BES Cyber Assets
• NERC Alerts 2019 – specific manufacturers of telecom and drones 2020 – Generation and transmission assets
• Industry partnerships NATF work on certifications Vendor work with DoE
Current Activity
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• NERC Control Area (CA) Continues to assist Regional Entity Support/Outreach SERC Spring Workshop (March 2020) Supply Chain Working Group Guidelines Webinar (May 2020) RF Fall Workshop (August 2020) ERO Enterprise Internal Call on Audit Approaches
• Compliance and Certification Committee Supply Chain Task Forceo “..will execute the CCC role to address potential concerns with industry readiness
for the upcoming enforcement of the Supply Chain Risk Management.”
Supply Chain Outreach
RELIABILITY | RESILIENCE | SECURITY7
Low Impact Study
• FERC Directive - “.. direct NERC to conduct a study to assess the implementation of Reliability Standard CIP-003-7.” Determine whether the electronic access controls provide adequate
security Due 18 months after CIP-003-7 effective date (July 2021)
• Regional Entities collecting data throughout 2020 COVID-19 Impact Already started receiving data Engagements throughout 2020 and 1Q 2021
• All data collected by end of Q1 2021• Draft report ~June 2021
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• Webinars on Security Guidelines Risk Considerations for Open Source Software Cyber Security Risk Management Lifecycle Vendor Identified Incident Response Measures Secure Equipment Delivery Vendor Risk Management Lifecycle Procurement Language Provenance Risks Related to Cloud Service Providers
Supply Chain Working Group
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Rules of Procedure RevisionsSteven Noess, Director, Regulatory ProgramsBoard of Trustees MeetingAugust 20, 2020
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• Five-Year ERO Performance Assessment Filed on July 22, 2019. FERC accepted January 22, 2020 Order continues Electric Reliability Organization certification
• Directives: Certification Procedures; Infrastructure Security Program; and Sanction Guidelines.
Order on Five-Year Performance Assessment
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• Certification Procedure Directives Update the scope section; Provide minimum criteria for certification; Add a mechanism to reject the request for certification; Provide potential for conditional approval for certification; Establish minimum requirements for the certification team; Include NERC review and approval of the proposed schedule for
completing the certification process; and Address the risk of an entity’s failure to be certified or certified when
needed.
FERC DirectivesCertification Procedures
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• Infrastructure Security Program Directive
Correct any inconsistencies, particularly regarding the Electricity Subsector Coordinating Council(ESCC); and
Reflect current operational practices and oversight of the E-ISAC.
FERC DirectivesInfrastructure Security Program
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• Sanction Guidelines Directives Explain how NERC and the Regional Entities choose the base penalty
amount; Detail the potential ranges for aggravating and mitigating factors; Explain whether and how non-monetary sanctions will be considered; Considerations of multiple subsidiaries of a parent corporation; Calculating a single penalty for multiple violations by a single entity; and Ensuring no penalty is inconsequential to the violator.
FERC Directives Sanction Guidelines
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• NERC also developed enhancements as part of broader ROP modernization efforts
• Registration enhancements proposed to Section 500 and Appendices 5A – 5C: Specify roles and responsibilities for parties to a Joint Registration
Organization or Coordinated Functional Registration; Clarify situations where a BES Exception Request should precede a NERC-
led Registration Review Panel; Clarify NERC-led Registration Review Panel language; Remove redundant and unnecessary language; and Timeline to review Exception Requests after additional material is
provided.
Registration and Certification Registration Revisions
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• Certification enhancements proposed to Appendix 5A: Add a Certification Review section addressing changes to an entity’s
existing Certification; Establish the potential for conditional Certification; Specify NERC’s ability to reject a Certification application; and Specify NERC’s ability to revoke and/or de-certify for cause.
Registration and Certification Certification Revisions
RELIABILITY | RESILIENCE | SECURITY8
• Key proposed revisions to section 1003 to correct inconsistencies and accurately reflect current operational practices
Clarify that NERC “operates the E-ISAC on behalf of the electricity sector”
Add a more accurate description of the E-ISAC
Revise language related to the ESCC
Revise the language regarding NERC’s use of a risk management approach to Critical Infrastructure protection
o NERC considers security alongside reliability and resilience
o Delete references to programs or activities NERC does not participate or engage in
Infrastructure Security Program Revisions
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• Enhancements proposed to Appendix 4B: Clarify how NERC and the Regional Entities choose the base penalty
amount Clarify all adjustment factors to the base penalty amount Address FERC directives Clarify application of existing concepts Revise language to ensure consistent terminology and remove extraneous
language
Sanction Guidelines Revisions
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RSTC Organizational Review Update and Recommendation
Greg Ford, Chair, Reliability and Security Technical CommitteeBoard of Trustees MeetingAugust 20, 2020
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Goals of RSTC Transition
• Set up the RSTC to deliver on the goals outlined in its charter• Maintain continuity in all ongoing, high-value work across the
subgroups • Capture best practices and synergies through the integration of
processes across the “legacy” committees • Clearly document roles and responsibilities and processes for
RSTC to improve clarity going forward and speed transition• Developing a model to support subgroups that is more
collaborative while maintaining alignment to overall NERC strategy
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Proposed Operating Model Overview
• Organize existing RSTC subgroups by Program Areas: Performance Monitoring Reliability and Security Assessment Risk Mitigation
• The Program Areas are NOT subcommittees but rather a simple way to organize work in distinct groups
• Sponsors would be assigned based on subgroup topics and work loads
• The Program Areas are supported by RSTC sponsors and NERC staff and would be responsible for managing work flow/ deliverables
• Security is expected to be a consideration for each subgroup where appropriate
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Proposed Operating Model
Reliability and Security Assessment
Focus: Emerging Issues
Real-Time Operations
Subcommittee
Performance MonitoringFocus: monitoring and
analysis
Security Integration and
Technology Enablement
Subcommittee (New)
Reliability and Security Assessment Sponsors
Performance Monitoring Sponsors
Reliability Assessment
Subcommittee
Event Analysis Subcommittee
Performance Analysis
Subcommittee
Resources Subcommittee
Risk Mitigation Sponsors
IRPW
G
SPID
ERW
G
SPC
WG
EMPT
F
GM
DTF
Risk MitigationFocus: Mitigate existing
and emerging risks
SWG
SCW
G
LMW
G
PPM
VTF
EGW
G
SRTWG
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Subgroups
Committee Subgroups
Scope Duration Approvals Leadership
Subcommittee• Oversee broad processes• Manage cyclical
deliverablesLong-term
Consensus seeking; vote as specified by its scope
Nominated by subcommittee; Approved by RSTC Leadership
Working Group
• Oversee specific data systems
• Support specific initiatives with broader interaction with other subgroups/topics
• Support a cyclical process• Support parent
subcommittee
Long-term/ mid-term
Consensus seeking; non-voting
Nominated by working group, parent subcommittee, or direct appointment by the NERC Technical Committees; approved by RSTC Leadership
Task Force
• Support a specific initiative• Direct, often only one
deliverable• Support parent
subcommittee
Short-term Consensus seeking; non-voting
Nominated by task force, parent subcommittee, or direct appointment by the NERC Technical Committees; approved by RSTC Leadership
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Proposed Operating ModelPerformance Monitoring
Reliability and Security Technical Committee
(RSTC)
Executive Committee
Performance Monitoring
Real-Time Operations
Subcommittee (RTOS)
Resources Subcommittee
(RS)
Reserves Working Group
(RWG)
Frequency Working Group
(FWG)
Event Analysis Subcommittee
(EAS)
Energy Management
Systems Working Group
(EMSWG)
Performance Analysis
Subcommittee (PAS)
Failure Modes and
Mechanisms Task Force
(FMMTF)
Synchronized Measurements Working Group
(SMWG)
Reliability Operations
Coordination
Operating Reliability
Subcommittee (ORS)
Balancing and Frequency Response
Resources Subcommittee
(RS)
Inadvertent Interchange
Working Group (IIWG)
Reserves Working Group
(RWG)
Frequency Working Group
(FWG)
Event Analysis
Event Analysis Subcommittee
(EAS)
Energy Management
Systems Working Group
(EMSWG)
Failure Modes and
Mechanisms Task Force (FMMTF)
Performance Analysis and
Data Collection
Performance Analysis
Subcommittee (PAS)
GADS Working Group
(GADSWG)
TADS Working Group
(TADSWG)
DADS Working Group
(DADSWG)
MIDAS Working Group
(MIDASWG)
Planning and Modeling
Synchronized Measurements Subcommittee
(SMS)
Move to NERC User Groups Retire GADS Working
Group (GADSWG)
TADS Working Group
(TADSWG)
DADS Working Group
(DADSWG)
MIDAS Working Group
(MIDASWG)
Inadvertent Interchange
Working Group (IIWG)
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Proposed Operating ModelReliability and Security Assessment
Reliability and Security Technical Committee
(RSTC)
Executive Committee
Reliability and Security Assessment
Reliability Assessment
Subcommittee (RAS)
Probabilistic Assessment
Working Group (PAWG)
Security Integration and
Technology Enablement
Subcommittee (SITES) - New
Adequacy Assessments
Reliability Assessment
Subcommittee (RAS)
Probabilistic Assessment Working
Group (PAWG)
RELIABILITY | RESILIENCE | SECURITY8
To be retired in Early 2021E-ISAC
Proposed Operating ModelRisk Mitigation
Reliability and Security Technical Committee
(RSTC)
Executive Committee
Risk Mitigation
Supply Chain Working Group
(SCWG)
Security Working Group (SWG) – former
CIWG
Security and Reliability Training
Working Group (SRTWG) -
merged
System Planning Impacts from DER Working
Group (SPIDERWG)
Inverter-Based Resource
Performance Working Group
(IRPWG)
Electric-Gas Working Group
(EGWG)
EMP Task Force (EMPTF)
Load Modeling Working Group
(LMWG)
Power Plant Modeling and Verification Task Force (PPMVTF)
Issue-FocusedPhysical and Cyber Security
Supply Chain Working Group
(SCWG)
Grid Exercise Working Group
(GEWG)*
Physical Security Advisory Working Group (PSAWG)*
Compliance Input Working Group
(CIWG)
Security Training Working Group
(STWG)
Planning and Modeling
Load Modeling Task Force
(LMTF)
Power Plant Modeling & Verification Task Force (PPMVTF)
System Protection and
Control Subcommittee
(SPCS)
System Planning Impacts from
DER Working Group
(SPIDERWG)
GMD Task Force (GMDTF)
Inverter-Based Resource
Performance Task Force
(IRPTF)
Electric-Gas Working Group
(EGWG)
EMP Task Force (EMPTF)
Training and Outreach
Reliability Training
Working Group (RTWG)
Moved to E-ISAC E-ISAC Physical Security
Advisory Working Group (PSAWG)*
Grid Exercise Working Group
(GEWG)*
GMD Task Force (GMDTF)
System Protection and
Control Working Group (SPCWG)
Systems Analysis and
Modelling Subcommittee
(SAMS)
Retire Systems Analysis and
Modelling Subcommittee (SAMS)
RELIABILITY | RESILIENCE | SECURITY9
Proposed Operating Model – 23 subgroups
Reliability and Security Technical Committee
(RSTC)
Executive Committee
Performance Monitoring Risk Mitigation
Supply Chain Working Group
(SCWG)
Security Working Group (SWG)*
Security and Reliability
Training Working Group (SRTWG)
Reliability and Security Assessment
Reliability Assessment
Subcommittee (RAS)*
Probabilistic Assessment
Working Group (PAWG)
System Planning Impacts from DER Working
Group (SPIDERWG)*
Inverter-Based Resource
Performance Working Group
(IRPWG)*
Electric-Gas Working Group
(EGWG)*
EMP Task Force (EMPTF)*
Security Integration and
Technology Enablement
Subcommittee (SITES)*
Load Modeling Working Group
(LMWG)
Power Plant Modeling and Verification Task Force
(PPMVTF) – to be retired early
2021
4 sponsors* 2 sponsors*6 sponsors*
System Protection and
Control Working Group (SPCWG)*
Real-Time Operations
Subcommittee (RTOS)*
Resources Subcommittee
(RS)*
Reserves Working Group
(RWG)
Frequency Working Group
(FWG)
Event Analysis Subcommittee
(EAS)*
Energy Management
Systems Working Group
(EMSWG)
Performance Analysis
Subcommittee (PAS)*
Failure Modes and
Mechanisms Task Force
(FMMTF)
Synchronized Measurements Working Group
(SMWG)
GMD Task Force (GMDTF) – to be
retired early 2021
Outlined groups report directly to RSTC.
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• Reliability and Security Assessment Program Area• Vetting technology landscape• Identify barriers to adoption of technology• Providing a forum for advancing and integrating new technology• Considering cyber and physical threats more directly in
planning, operations, design, and restoration activities Identify solutions that eliminate or mitigate potential reliability, security,
and resilience risks to the BPS that could result from an increased cyber-attack surface or improperly implemented technologies
• Identifying and considering potential security threats and emerging risks E.g., DERMS, inverters, supply chain, PMUs
Security Integration and Technology Enablement Subcommittee (SITES)
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• Risk Mitigation Program Area• Tactical scope focused on short term security and compliance
issues e.g., SARs, recently disclosed vulnerabilities, RISC report items
• Review and develop Security Guidelines and Compliance Implementation Guidance as needed
• Provides expert resources for RSTC groups that need input regarding the security aspects of their respective group’s activities
• Coordinate with SITES when security issue impacts operations or planning
Security Working Group (SWG)
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What Would It Look Like for Sponsors?
Sponsors’ Assignments• Following organizational review, RSTC Sponsors
will be assigned by the RSTC Executive Committee to each subgroup* with regards to diversity of expertise.
• Sponsors’ assignments will be refreshed annually by the RSTC Executive Committee following review of the subgroups
Sponsors’ Responsibilities• Sponsors are members of the RSTC but not
members of any subgroup • Attend at least 2 subgroup meetings per year • Schedule quarterly calls with program area’s
subgroup leadership and NERC Coordinators to review status reports and prepare for RSTC meetings
• Notify the RSTC Executive Committee if any topics arise which should be on a RSTC agenda
• Advocate and support discussion for subgroup-related topics that arise during RSTC meetings
Reliability and Security Assessment
Reliability Assessment
Subcommittee (RAS)*
Probabilistic Assessment
Working Group (PAWG)
Security Integration and
Technology Enablement
Subcommittee (SITES)
Risk Mitigation
Supply Chain Working Group
(SCWG)
Security Working Group (SWG)*
Security and Reliability
Training Working Group (SRTWG)
System Planning Impacts from DER Working
Group (SPIDERGW)*
Inverter-Based Resource
Performance Working Group
(WG)*Electric-Gas
Working Group (EGWG)*
EMP Task Force (EMPTF)*
Load Modeling Working Group
(LMWG)
Power Plant Modeling and
Verification Task Force (PPMVTF) – to be retired in
early 2021)
System Protection and
Control Working Group (SPCWG)*
GMD Task Force (GMDTF) – to be retired in early
2021)
Performance Monitoring
Real-Time Operations
Subcommittee (RTOS)*
Resources Subcommittee
(RS)*
Reserves Working Group
(RWG)
Frequency Working Group
(FWG)
Event Analysis
Subcommittee (EAS)*Energy
Management Systems
Working Group (EMSWG)
Performance Analysis
Subcommittee (PAS)*
Failure Modes and
Mechanisms Task Force (FMMTF)
Synchronized Measurements Working Group
(SMWG)
Subgroups identified above by “*”
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RSTC/RISC Coordination
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Transition Timeline Update
Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Processes: Develop consolidated and summary workplanProcesses: Assign subgroup sponsors and communicate assignments
Strategy: EC Defines Draft Strategic Objectives
Strategy: Development of RSTC Operational PlanProcesses: Refine recommendations based on RSTC feedback
ActivityDevelop Transition Task Force and High-Level Approach
RSTC Meeting to Review / DiscussDraft RecommendationsOrganization: Review of Subgroups –identify future-state structure
RSTC Meeting to Review / Approve Recommendations
Processes: Develop detailed roles and responsibilities for RSTC / subgroupleadership
RSTC Meeting to Review / Approve Recommendations
Metrics: EC Identifies success metrics for RSTC and sub-groups based on strategic plan
Processes: Develop sponsor expectations
July 28 Closed RSTC meeting
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Reference Information
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Sponsor Selection
• RSTC members will initially self-nominate to subgroups based on their preferences
• Sponsors will be assigned to subgroups by the RSTC Executive Committee
• Annual training will be provided for Sponsors• Sponsors initially have term limits of 2 or 3 years based on their
election but may serve as a sponsor for the same subgroup after 4 years
• Sponsors may serve consecutive terms as long it involves a different subgroup
• Sponsor terms will be staggered to ensure continuity • If a sponsor is not able to fulfill their duty, the RSTC Executive
Committee will select a new sponsor to complete the term
RELIABILITY | RESILIENCE | SECURITY
2020 ERO Enterprise Reliability IndicatorsThird Quarter Status
Thomas Coleman, Director of Risk Issue ManagementBoard of Trustees MeetingAugust 20, 2020
RELIABILITY | RESILIENCE | SECURITY2
Data (Annual Measurement) Threshold: No Category 3 or above events: Zero is green, else is red
2020 Status
Data (Compared to a 5-year rolling average) Slope of eSRI line is flat to decreasing and does not show an
increase above zero that is statistically significant (95% Confidence Interval).
“2020 Status” relates to the slope of the 5 year rolling average (Positive, Flat or Negative), not just the 2020 performance.
Positive Negativeslope Flat slope
Increasing Decreasing
Reliability Indicator 1: Fewer, Less Severe Events
• Why is it important? Provides a quantitative measure and trend of actual impacts on the BPSPS
• How is it measured? Count: Number of Category 3 or above events Trend: Statistical test is performed on the five-year cumulative daily event
Severity Risk Index (eSRI) for Category (1-3) events
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• Why is it important? Reduce risk to BPS reliability from Standard violations by registered entities
• How is it measured? Moderate and serious risk noncompliance with a relevant history of similar past conduct* The number of violations discovered through self-reports, audits, etc. Risk to the BPS based on the severity of Standard violations
Reliability Indicator 2: Compliance Violations
Data (Compared to a 3-year rolling average) The number of serious risk violations resolved compared to the
total noncompliance resolved--- Current number is 1.4%
Data (Annual Measurement) Percent of noncompliance self-reported (Self-certified
noncompliance is not included)----Current number is 81%
Data (Annual Measurement) Percent moderate and serious risk violations with relevant
compliance history of similar past conduct compared with total noncompliance filed with FERC--- 1%
5% 4%
80%75%
2020 Status30% 20%
* To measure the effectiveness of the risk-based CMEP in reducing noncompliance, NERC review s moderate and serious risk violations and includes them in one of three categories: 1) noncompliance w ith no prior compliance history; 2) noncompliance w ith prior compliance history that does not involve similar conduct; and 3) noncompliance w ith compliance history that includes similar conduct.
RELIABILITY | RESILIENCE | SECURITY4
Data (Year-Over-Year Comparison) Q3-Q2 comparison misoperations rate based on collection interval
(95% Confidence Interval) (Based on 2018 Metric) Includes five years: Q3 2015 through Q2 2020*. Five-year average:
8.374%
2020 Status
Data (Year-Over-Year Comparison) Q3-Q2 comparison for qualified events with misoperations and
loss of load (load loss/number of events) during the collection interval (95% Confidence Interval)
• Why is it important? Protection system misoperations exacerbate the impacts
• How is it measured? Annual Misoperations rate and the annual loss of load for events with
misoperations
Reliability Indicator 3: Protection System Misoperations Rate
+MW/event -MW/event
No Change
7.5%7.5% 7.0%
* Data for Q2 2020 not available until Q3. Includes reports through Q1 2020.
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Data (Annual Measurement) No firm load loss due to gas-fired unit outages during cold weather: Zero is green,
else is red (Cold weather months: January – March and December of the same calendar year) As of 6/30/2020, Metric status is Green.
2020 Status
Data (Annual Measurement) (Match with 4.4, year defined as Q3-Q2) No firm load loss due to gas unavailability: Zero is green, else is red
As of 6/30/2020, Metric status is Green.Data (Compared to a 5-year rolling average) Percentage of winter period net MWh of potential production lost due to gas-
fired unit outages during cold weather (Cold weather months: January – March and December of the same calendar year) Five-year average: 0.0058%
Data (Compared to a 5-year rolling average) Percentage of annual net MWh of potential production lost due gas unavailability
compared to a 5-year rolling average (Due to data availability, year defined as Q3-Q2) Five-year average: 0.1513%
• Why is it important? Reduce risk to BPS reliability due to gas-fired unit outages during cold weather or
gas unavailability
• How is it measured? Firm load loss due to cold weather or gas unavailability MWh of potential production lost initiated by cold weather and gas unavailability
RI 4: Events Caused by Gas-Fired Unit Forced Outages Due to Cold Weather or Gas Unavailability
0.192% 0.0898%
0.00149% 0.00053%
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• Why is it important? Measures risks to BPS reliability from three priority causes:
1. Operator or other human performance issues2. Substation equipment failures or failed circuit equipment3. Vegetation encroachment
Reliability Indicator 5: Reduce AC Transmission Line Forced Outages
RELIABILITY | RESILIENCE | SECURITY7
• How is it measured? Number of transmission line
outages caused by Human Error divided by the total inventory of circuits
Reliability Indicator 5a: Operator or Other Human Performance Issues
2019 StatusData (Compared to a 5-year rolling average) Annual outage rate flat compared to a 5-year rolling
average (95% Confidence Interval) Increasing Decreasing
Flat
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• How is it measured? Number of transmission line
outages caused by AC substation equipment outage failures and failed AC circuit equipment (such as transformers), divided by the total inventory of circuits
Reliability Indicator 5b: Substation Equipment Failures or Failed Circuit Equipment
2019 StatusData (Compared to a 5-year rolling average) Annual outage rate decreasing compared to a 5-year rolling
average (95% Confidence Interval) FlatDecreasingIncreasing
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• How is it measured? Number of vegetation
encroachments and Sustained Outages
Reliability Indicator 5c: Vegetation Encroachment
Q1 2020 StatusData* (Compared to a 5-year rolling average) Number of vegetation encroachments, excluding fall-ins,
decreasing (within one standard deviation, based on small sample size) (Based on 2018 metric) -- 5-year average is 1.8 Increasing Decreasing
Flat5 2
Data** (Compared to a 5-year rolling average) Fall-ins: Number of vegetation encroachments decreasing (within
one standard deviation, based on 6-year sample) -- 5-year average is 21.2 Increasing Decreasing
24 15
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• How is it measured? Number of applicable DOE OE-
417 Electric Emergency Incident and Disturbance Reports and NERC EOP-004 Event Reports
Security Indicator 6 : Impactful Cyber and Physical Security Incidents
2020 StatusData (Compared to 2016-2018 Quarterly Baseline) No disruption* of BES operations due to cyber security incidents
Zero disruptions of BES operations due to cyber attacks in 2020 Q2 Number of disruptions* of BES operations due to physical security
incidents: Below baseline Upper Control Limit is green, else is redTwo disruptions of BES operations (one with load outage) due to physical
attacks in 2020 Q2
*A disruption means that a BES element was removed from service as a result of the cyber or physical incident
Cyber Security
Physical Security
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• Why is it important? Measures risk to the BPS by monitoring the number of Disturbance Control
Standard (DCS) events that are greater than the Most Severe Single Contingency (MSSC)
• How is it measured? Information received by NERC based on the BAL-002 Reliability Standard Due to the timing in Balancing Authority data submittals the metric is updated one
quarter in arrears Measures a rolling 7 year quarterly time trend testing for statistical significance
RI 7: Disturbance control events greater than the most severe single contingency
1Q2020 StatusData (Quarterly Measurement), New Green: a time trend line of the most recent 7 years of
quarterly DCS events > MSSC has a statistically significant negative slope
Middle: no statistically significant trend for the slope Red: a time trend line of the most recent 7 years of quarterly
DCS events > MSSC has a statistically significant positive slope Metric Results through 1Q20: Green - DCS data for the most
recent 28 quarters shows a statistically significant decreasing trend
No Statistical
Trend DecreasingTrend
IncreasingTrend
RELIABILITY | RESILIENCE | SECURITY12
• Why is it important? Measures risk and impact to the BPS by measuring the interconnection frequency
response performance measure (IFRM) for each BAL-003-1 event as compared to the Interconnection Frequency Response Obligation (IFRO)
• How is it measured? IFROs are calculated and recommended in the Frequency Response Annual Analysis
Report for Reliability Standard BAL-003-1.1 implementation IFRM performance is measured for each event by comparing the resource (or load)
MW loss to the frequency deviation Due to the timing in selection of events the metric is updated one quarter in arrears.
Reliability Indicator 8: InterconnectionFrequency Response
2020 StatusData (Quarterly & Annual Measurement), New IFRM for each BAL-003-1 event is compared to the IFRO for each
quarter of the 2019 operating year Success is no Interconnection experiencing a BAL-003-1 frequency
event where IFRM performance is below their respective IFRO: Zero is green, else is red
Metric Results through 1Q20: No Interconnection experienced a BAL-003-1 event where their IFRM was below their IFRO
12RELIA
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