2017 epri general reliability survey preliminary...
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© 2017 Electric Power Research Institute, Inc. All rights reserved.
2017 EPRI General Reliability Survey
Preliminary Results
Sal MartinoEPRI - Technical Leader
IEEE PES GM 2017
July 18, 2017Chicago, IL
2© 2017 Electric Power Research Institute, Inc. All rights reserved.
2017 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 ongoing.
3© 2017 Electric Power Research Institute, Inc. All rights reserved.
2017 Reliability Survey Preliminary Results
Holding Company4
Operating Company
37
Holding or Operating Company?
IOU33
Muni2
Co-Op6
Municipal, Cooperative, or Investor-Owned?
4© 2017 Electric Power Research Institute, Inc. All rights reserved.
Reliability and Resiliency Practices (P180.008)2017 Reliability Survey Preliminary Results
5© 2017 Electric Power Research Institute, Inc. All rights reserved.
2017 Reliability Survey Preliminary Results
6© 2017 Electric Power Research Institute, Inc. All rights reserved.
2017 Reliability Survey Preliminary Results
35
25
19
14
109
7
5kV to 15kV Wye < 5kV Wye 15kV to 25kV Wye 25kV to 35kV Wye > 35kV Wye < 5kV Delta 5kV to 15kV Delta0
5
10
15
20
25
30
35
40
Distribution Voltages(Number of Companies)
7© 2017 Electric Power Research Institute, Inc. All rights reserved.
2017 Reliability Survey Preliminary Results
30
2523
2
5
23
1014
15
117
21
0
5
10
15
20
25
30
35
40
45
SAIFI SAIDI CAIDI CEMIx MAIFI CAIFI Other
What metrics does your company track and report?Regulatory Requirement Only Internal Reporting
8© 2017 Electric Power Research Institute, Inc. All rights reserved.
2017 Reliability Survey Preliminary Results
37
23
15
6
2 2
0 0
27
14
6
01 1
0 0
SAIDI SAIFI CAIDI CEMIx MAIFI Other CAIFI SAIDETx0
5
10
15
20
25
30
35
40
What metrics does your company have performance targets/corporate reliability goals for?
Performance Target/Corporate Goal Associated with Employee Incentive
9© 2017 Electric Power Research Institute, Inc. All rights reserved.
2017 Reliability Survey Preliminary Results
28
17
5 4
3
10
18
16
4
2
01
0
IEEE 2.5 Betamethod
Other > % of customersinterrupted for 24
hours
“Named” storm SAIDI Outage over 24hours and crews
needed fromanother district
We do not excludemajor events
0
5
10
15
20
25
30
Major Storm Exclusion CriteriaInternal Exclusion External Exclusion
10© 2017 Electric Power Research Institute, Inc. All rights reserved.
2017 Reliability Survey Preliminary Results
61.0%
24.4%
14.6%
9.8%
4.9%
No Yes, other Yes, $/customer minutesaved
Yes, $/avoided customerinterruption
Yes, $/kVA-Hr0.0%
10.0%
20.0%
30.0%
40.0%
50.0%
60.0%
70.0%
Does your company have a formal metric for ranking reliability initiatives?(check all that apply)
11© 2017 Electric Power Research Institute, Inc. All rights reserved.
2017 Reliability Survey Preliminary Results
No75.0%
Yes25.0%
Do you perform targeted hardening of circuits?
12© 2017 Electric Power Research Institute, Inc. All rights reserved.
2017 Reliability Survey Preliminary Results
48.78%
34.15%
17.07%14.63%
12.20%
Stronger poles Other (please specify)
Shorter spans Larger conductors Changes in calculations(NESC extreme wind for
example)
0.00%
10.00%
20.00%
30.00%
40.00%
50.00%
60.00%
Have you changed construction designs for system hardening?(Overall Percentage)
13© 2017 Electric Power Research Institute, Inc. All rights reserved.
2017 Reliability Survey Preliminary Results
85.37%
80.49%
73.17%
70.73%
51.22%
51.22%
46.34%
46.34%
43.90%
41.46%
39.02%
29.27%
29.27%
26.83%
24.39%
2.44%
Wildlife protection
Proactive conductor/cable replacement
Tap fusing
Reclosers on radial circuits
Sectionalizing to add circuit tie points
Fault indicators
Construction audits
Porcelain cutout replacement
Porcelain cutout inspection
Additional grounding and/or lightning arresters
Reclosers in auto-loop with DSCADA
External fuses on completely self-protected (CSP) transformers
Use of remote reporting fault current indicators (FCIs)
Reclosers in auto-loop configuration
Fusing completely self-protected transformers
Other (please specify below)
0.00% 10.00% 20.00% 30.00% 40.00% 50.00% 60.00% 70.00% 80.00% 90.00%
New Construction or Retrofit Activities
14© 2017 Electric Power Research Institute, Inc. All rights reserved.
2017 Reliability Survey Preliminary Results
58.54%56.10%
51.22%
31.71%29.27%
19.51%
Mobile data terminals invehicles
Temporary repairs Troubleman/Lineworkertakes truck home
Utilize two-shiftoperation for line crews
Small line shop inremote areas
Other (please specify)0.00%
10.00%
20.00%
30.00%
40.00%
50.00%
60.00%
70.00%
What initiatives have you taken to reduce outage duration?(check all that apply)
15© 2017 Electric Power Research Institute, Inc. All rights reserved.
2017 Reliability Survey Preliminary Results
87.8%
63.4%
48.8%
26.8%
19.5%
17.1%
Provide information to the crews on the location of the outage or device
Receive restoration information from the response crews
Input outage and restoration data
Receive automated outage reports from meters, reclosers, breakers, orremotely read faulted circuit indicators
Provide switching alternatives to expedite restoration
Other (please comment)
0.0% 10.0% 20.0% 30.0% 40.0% 50.0% 60.0% 70.0% 80.0% 90.0% 100.0%
How does your company use mobile computing platforms?
16© 2017 Electric Power Research Institute, Inc. All rights reserved.
2017 Reliability Survey Preliminary Results
Yes31.7%
No68.3%
Does your company consider distributed generation or emergency generation as possible reliability improvement investments?
17© 2017 Electric Power Research Institute, Inc. All rights reserved.
For more information
Sal [email protected] 704-595-2832
18© 2017 Electric Power Research Institute, Inc. All rights reserved.
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