HomeMy WebLinkAbout20150812AVU to Staff 50 Attachment H.pdfElectric Distribution:
Feeder Upgrade Program
Glenn Madden
November 2, 2012
Staff_PR_050 Attachment H Page 1 of 11
Feeder
Upgrades
Wood Pole
Management
Current 3/Fdrs 20 Yr Interval
16 Fdrs/Yr
Goal 60 Yr Interval
5 Fdrs/Yr
20 Yr Interval
11 Fdrs/Yr
FEEDER UPGRADE PROGRAM VISION
Objectives
Safety
Reliability
Save Energy
Operational Ability
Capital Offset of Future O&M
Staff_PR_050 Attachment H Page 2 of 11
Feeder Selection
Reliability
(# of 2006-2011
Equipment
Events/ # of
Poles & DXFs)
Arrester
Bird
Bus Insulator
Capacitor
Car Hit Pad
Car Hit Pole
Conductor - Pri
Conductor - Sec
Connector - Pri
Connector - Sec
Crossarm-rotten
Customer Equipment
Cutout/Fuse
Dig In
Elbow
Fire
Forced
Foreign Utility
Highside Breaker
Swt/Disconnect
-rotten
- OH
- Pri
- Sec
Equipment Outage Events
Staff_PR_050 Attachment H Page 3 of 11
Feeder Selection
Avoided Cost
(Capital
Investment
/Energy
Savings)
Capital Investment Energy Savings
Pre-1980
OH & UG
DXFs
Installed Costs No Load Losses
OH
Secondary
Cost per Service Point
if 10 or More for a DXF
Energy Savings per
Service Point if 10 or
More for a DXF
Recon-
ductoring
Replacement &
(40% Replacement of
Poles, Anchors) &
Cross Arms Cost/Mile
(Peak Loss) * (Load) 2
Capacitors Cost of 900 KVAr Bank
(# of Hrs of Operation) *
(KW to MVAr Ratio for
9CE Feeders)
Gibson’s DX System Efficiencies Program 4-2009
Staff_PR_050 Attachment H Page 4 of 11
Feeder Selection
Capital Offset
(Offset Future
Equipment O&M
Costs)
10
(# of
* (O&M Cost Associated with fixing)
Arrester
Bird
Bus Insulator
Capacitor
Car Hit Pad
Car Hit Pole
Conductor - Pri
Conductor - Sec
Connector - Pri
Connector - Sec
Crossarm-rotten
Customer Equipment
Cutout/Fuse
Dig In
Elbow
Fire
Forced
Foreign Utility
Highside Breaker
Swt/Disconnect
-rotten
- OH
- Pri
- Sec
Staff_PR_050 Attachment H Page 5 of 11
Feeder Selection
Weightings
Reliability
Avoided
Cost
Capital
Offset
Customers
per Mile
Operational
Ability Sum
McClain 50% 30% 0% 20% 0% 100%
Weber 40% 15% 0% 25% 20% 100%
Taylor 25% 30% 30% 15% 0% 100%
Olson 35% 30% 25% 0% 10% 100%
Knutson 40% 35% 25% 0% 0% 100%
Weiss 35% 40% 25% 0% 0% 100%
Average = 38% 30% 18% 10% 5% 100%
40% 35% 25%
Forced Rank
Reliability Avoided Cost Capital Offset Customers per Mile Operational Ability
McClain 1 2 5 3 4
Weber 1 4 5 2 3
Taylor 3 1 2 4 5
Olson 1 2 3 5 4
Knutson 1 2 3 5 4
Weiss 2 1 3 5 4
Average = 1.5 2 3.5 4 4
Staff_PR_050 Attachment H Page 6 of 11
Capital Offset
(Offset Future Equipment
O&M Costs)
Avoided Cost
(Capital Investment
/Energy Savings)
Reliability
(# of 2006-2011
Equipment Events/ # of
Poles & DXFs)
FEEDER UPGRADE PROGRAM VISION
2 yr Rural vs.
Urban Balance
<10yrs Since Wood
Pole Management
6 yr Balance of
Budget by Area
Area Office Work
Plan Coordination
Coordination
with Planning
Critical Customer
Coordination
Feeder Upgrades
Already Not Eligible if:
Secondary
Program
Filters
Ratio to System
to Balance by
Circuit Miles:
Approval by
Area Engineers
Max Move Up 5 Yrs :
Primary
Selection
Criteria
Competitive Area
Coordination
Staff_PR_050 Attachment H Page 7 of 11
Feeder Selection
Fdr Rank Fdr
Upgrds
WPM Projected
Cost ($M)
Fdr Upgrd
Yr
Rural or
Urban
(50/50?)
Balance or
Coord.
A 1 2012 1994 Not Eligible Not Eligible Not Eligible Not Eligible
B 2 N/A 2000 $2 2013 Rural 2013
C 3 N/A 1999 $3 2013 Urban 2013
D 4 N/A 2005 Not Eligible Not Eligible Not Eligible Not Eligible
E 5 N/A 1992 $2 2013 Rural 2013
F 6 N/A 1996 $2 2014 Urban 2014
G 7 2009 1990 Not Eligible Not Eligible Not Eligible Not Eligible
H 8 N/A 1998 $2 2014 Urban 2014
9 N/A 2000 $2 2014 Urban 2014
J 10 N/A 1993 $2 2014 Urban 2015
K 11 N/A 1995 $2 2015 Rural 2014
Staff_PR_050 Attachment H Page 8 of 11
Feeder Selection
Plan
%
East 122 19%
146 23%
88 14%
166 26%
122 19%
643 100%
643
6 Year Balance Goal
Miles %
East 2604 22%
2592 21%
1251 10%
3010 25%
2652 22%
12109
65% 35%
60% 40%
57% 43%
Rural/Urban
2013&14
2015&16
2017&18
2 Year Rural/Urban Goal
Rural
Urban
Plan
RAT231
2013&14
Selection
Staff_PR_050 Attachment H Page 9 of 11
Beacon12F1
FEEDER UPGRADE PROGRAM TOOLS
Staff_PR_050 Attachment H Page 10 of 11
0
5
10
15
20
25
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
De
s
i
g
n
Goal
Projected Jobs Designed Cumulative
Revised Projected Design Cumulative
Actual Jobs Designed Cumulative
2012 Urban Feeder Upgrade Design Progress (BEA12F1
,F&C12F2, & WIL12F2)
2012 Urban Feeder Upgrade Design Progress
(F&C12F2)
FEEDER UPGRADE PROGRAM TOOLS
Staff_PR_050 Attachment H Page 11 of 11