Sgs Performance Measurement Survey

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2013 SGS Study: Survey of Transmission Reliability Measures and Practices d

Contact

Name:FALSE

System

Name:

1. Transmission Reliability Performance Indicators Used by Your Company

Measures based on Circuit and Line Outages:

Circuit Average Outage Frequency Measures (Examples: TADS: TOF;

NERC ALR6-11 – ALR 6-13)FALSE

Length Normalized Outage Frequency Measures (Examples: FOHMY;

TADS: TCOF)FALSE

Outage Duration Measures (Examples: SARI; TADS: SODT, MTTR,

MdTTR)FALSE

Availability Measures (Examples: ASAI%; TADS: APC%, NERC ALR6-15

– ALR 6-16)FALSE

Other ALR Measures FALSE

Other TADS Measures (Examples: PCZero, MTBF, TMCOF) FALSE

Other Measures (please identify in remarks column) FALSE

Customer Impact from Transmission Outages

Transmission SAIFI and/or MAIFI (or contribution to distribution

SAIFI/MAIFI) FALSE

Transmission SAIDI and/or CAIDI (or contribution to distribution

SAIDI/CAIDI)FALSE

Other customer-based measures (please identify in remarks column) FALSE

Delivery Point Impact from Transmission Outages

Delivery Point SAIFI and/or MAIFI FALSE

Delivery Point SAIDI and/or CAIDI FALSE

Other Delivery Point measures (please identify in remarks column) FALSE

2. Load and Generation Loss

MW Affected (ASIFI) FALSE

Please do N

Please Com

Not Used or N/A

Not Used or N/A

Not Used or N/A

Not Used or N/A

mailto:[email protected]?subject=Survey%20Response




MWh Lost (ASIDI) FALSE

Other (please identify in remarks column) FALSE

Generation Loss FALSE

3. What is your system's definition for a "Delivery Point"

High Side of a Transformer FALSE

Low Side of a Transformer FALSE

Variable; an ownership boundary FALSE

Distribution Bus or Feeder Breaker FALSE

We do not collect any delivery point interruption data (please add "why" in

remarks column J)FALSE

4. Delivery Point Impact from Transmission Outages

If you do not utilize or report load loss measures, does your system

consistently collect actual metered load loss (MW, MWh) and can data be

associated with transmission circuit or station outages?

FALSE

Do you record Delivery Point outages caused by station equipment (not

from a line outage) in the same general format as line outages?FALSE

5. Miscellaneous Questions

If your system has a formal process to exclude Major Event Days from

t ransmiss ion performance measures, which method is used:

Six Sigma FALSE

IEEE 1366 Beta Method FALSE

Named Storm/Hurricane FALSE

Other (please specify) FALSE

Can your system identify cable failures for circuits with mixed underground

and overhead construction and report them as a DISTINCT cause code?FALSE

Does your system use consistent component-level sub-causes or codes for

outage causes (e.g., "Line Failure" with sub-causes of structure, conductor,

insulator, shield wire, grounding, etc)?

FALSE

Does your system have interest in component-level sub-causes for

benchmarking or circuit-level analysis?FALSE

Does your system use Transmission Reliability Performance measures for

incentive compensation? If so, which ones (add in remarks)?FALSE

YES

YES

YES

YES

YES

YES



Does your system attempt to quantify the cost (to customers or total

economic losses) of automatic outages?FALSE

6. Station Equipment Data and Benchmarking

Does your system collect data for station outages in a similar format to line

outages (e.g., station ID, equipment type, date/time of event, cause code)?FALSE

What types of station equipment are outage/failure records maintained?FALSE

If you collect station equipment outage records, do they include informationindicating a failure of the equipment itself (i.e., "element initiated", not a

dependent mode outage)?

FALSE

Does your system have a high level of interest in Substation and Station

Equipment benchmarking?FALSE

7. Transmiss ion Benchmarking Forums. Please check current participation:

SGS Transmission Reliability Benchmarking Study FALSE

North American Transmission Forum FALSE

First Quartile Consulting T&D Benchmarking FALSE

Electric Utility Cost Group - Transmission FALSE

International Transmission Operations & Maintenance Study (ITOMS)

(UMS Group)FALSE

Southern Company Transmission Benchmarking (SCTBM) FALSE

Canadian Electricity Association (CEA) (COPE, BES, ERIS, etc) FALSE

Other (specify in remarks) FALSE

YES

YES

YES



FALSE



e f g h i

FALSE FALSE FALSE FALSE FALSE

FALSE FALSE

FALSE FALSE

FALSE FALSE

FALSE FALSE

FALSE FALSE

FALSE FALSE

FALSE FALSE

FALSE FALSE

FALSE FALSE

FALSE FALSE

FALSE FALSE

FALSE FALSE

FALSE FALSE

FALSE FALSE

T edit worksheet; only use check boxes, radio buttons and remarks colu

plete and Return to SGS by August 24, 2012 at: [email protected]

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FALSE FALSE

FALSE FALSE

FALSE FALSE



FALSE FALSE FALSE

FALSE FALSE FALSE



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Remarks Column J ONLY




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- select your system name (PULL

Arizona Public Service

American Transmission Co.

Dominion Virginia Power

Duke Energy

Entergy Services Inc.

Exelon Corp.

First Energy

Florida Power & Light

Georgia Transmission Corporatio

Great River Energy

Hydro One Networks

ITC Holdings Corp.

Long Island Power Authority

National Grid USA

Nebraska Public Power District

Northeast Utilities

NorthWestern Energy

Oncor Electric Delivery

Pacific Gas & Electric

Progress Energy

Southern Company



Salt River Project

Tucson Electric Power

Tennessee Valley Authority

Xcel Energy



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