2017 EPRI General Reliability Survey Preliminary …

1 2017 Electric Power Research Institute, Inc. All rights EPRI General Reliability Survey Preliminary ResultsSal MartinoEPRI - Technical LeaderIEEE PES GM 2017 July 18, 2017 Chicago, IL2 2017 Electric Power Research Institute, Inc. All rights Reliability Survey Preliminary results Information contained in this presentation is to be considered as an observation on a sample set of utilities in the industry and not a representation of the industry as a whole. All results contained in this presentation are results of Preliminary analysis. These are not the final results and information presented is subject to change as analysis is currently 2017 Electric Power Research Institute, Inc. All rights Reliability Survey Preliminary ResultsHolding Company4 Operating Company37 Holding or Operating Company?IOU33 Muni2Co-Op6 Municipal, Cooperative, or Investor-Owned?

2 4 2017 Electric Power Research Institute, Inc. All rights and Resiliency Practices ( )2017 Reliability Survey Preliminary Results5 2017 Electric Power Research Institute, Inc. All rights Reliability Survey Preliminary Results6 2017 Electric Power Research Institute, Inc. All rights Reliability Survey Preliminary Results3525191410975kV to 15kV Wye< 5kV Wye15kV to 25kV Wye25kV to 35kV Wye> 35kV Wye< 5kV Delta5kV to 15kV Delta0510152025303540 Distribution Voltages(Number of Companies)7 2017 Electric Power Research Institute, Inc. All rights Reliability Survey Preliminary Results302523252310141511721051015202530 354045 SAIFISAIDICAIDICEMIxMAIFICAIFIO therWhat metrics does your company track and report?Regulatory RequirementOnly Internal Reporting8 2017 Electric Power Research Institute, Inc. All rights Reliability Survey Preliminary Results372315622002714601100 SAIDISAIFICAIDICEMIxMAIFIO therCAIFISAIDETx0510152025303540 What metrics does your company have performance targets/corporate Reliability goals for?

3 Performance Target/Corporate GoalAssociated with Employee Incentive9 2017 Electric Power Research Institute, Inc. All rights Reliability Survey Preliminary Results281754310181642010 IEEE BetamethodOther> % of customersinterrupted for 24hours Named stormSAIDIO utage over 24hours and crewsneeded fromanother districtWe do not excludemajor events051015202530 Major Storm Exclusion CriteriaInternal ExclusionExternal Exclusion10 2017 Electric Power Research Institute, Inc. All rights Reliability Survey Preliminary , otherYes, $/customer minutesavedYes, $/avoided customerinterruptionYes, $ your company have a formal metric for ranking Reliability initiatives?(check all that apply)11 2017 Electric Power Research Institute, Inc. All rights Reliability Survey Preliminary you perform targeted hardening of circuits?

4 12 2017 Electric Power Research Institute, Inc. All rights Reliability Survey Preliminary polesOther (please specify)Shorter spansLarger conductorsChanges in calculations(NESC extreme wind forexample) you changed construction designs for system hardening?(Overall Percentage)13 2017 Electric Power Research Institute, Inc. All rights Reliability Survey Preliminary protectionProactive conductor/cable replacementTap fusingReclosers on radial circuitsSectionalizing to add circuit tie pointsFault indicatorsConstruction auditsPorcelain cutout replacementPorcelain cutout inspectionAdditional grounding and/or lightning arrestersReclosers in auto-loop with DSCADAE xternal fuses on completely self-protected (CSP) transformersUse of remote reporting fault current indicators (FCIs)Reclosers in auto-loop configurationFusing completely self-protected transformersOther (please specify below) Construction or Retrofit Activities14 2017 Electric Power Research Institute, Inc.

5 All rights Reliability Survey Preliminary data terminals invehiclesTemporary repairsTroubleman/Lineworkertakes truck homeUtilize two-shiftoperation for line crewsSmall line shop inremote areasOther (please specify) initiatives have you taken to reduce outage duration?(check all that apply)15 2017 Electric Power Research Institute, Inc. All rights Reliability Survey Preliminary information to the crews on the location of the outage or deviceReceive restoration information from the response crewsInput outage and restoration dataReceive automated outage reports from meters, reclosers, breakers, orremotely read faulted circuit indicatorsProvide switching alternatives to expedite restorationOther (please comment) does your company use mobile computing platforms?16 2017 Electric Power Research Institute, Inc.

6 All rights Reliability Survey Preliminary yourcompany consider distributed generation oremergency generation as possiblereliability improvementinvestments?17 2017 Electric Power Research Institute, Inc. All rights more informationSal 704-595-283218 2017 Electric Power Research Institute, Inc. All rights the Future of Electricity