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Monday, January 26 Preparation and Advanced Warning. Quantum Weather predicts the possibility of ice storm in southern 1/3 of stateMobilized contractor resources and Missouri Valley resources to SEMO southMobilized 3 storm trailers and 1 Mobile Command Center. And it starts Tuesday, January 27 .
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1. Dealing with Catastrophic Storm IssuesJanuary 2009 SE Missouri Ice Storm Missouri PSC Storm Workshop
Presented by
Dave Wakeman
Manager, Distribution Operating
AmerenUE
2. Monday, January 26Preparation and Advanced Warning
Quantum Weather predicts the possibility of ice storm in southern 1/3 of state
Mobilized contractor resources and Missouri Valley resources to SEMO south
Mobilized 3 storm trailers and 1 Mobile Command Center
3. And it startsTuesday, January 27 At 4 a.m. only 800 customers out—just the beginning
Major ice accumulation occurring throughout the day in SEMO south area
Decision made to move all available AmerenUE resources to SEMO
Outage numbers climb throughout the day
Additional contractor resources procured
650 linemen and 350 tree trimmers engaged by end of day
4. Significant Ice Formation Wednesday, January 28 Ice continues to build—outage count over 36,000 in A.M.
6 counties in Bootheel are essentially without power
Decision made to use Extensive Damage Recovery Method
SEMO south divided into 8 “work islands”
1150 linemen and 450 tree trimmers engaged by end of day
5. Missouri Counties Served by AmerenUE That Were Affected Cape Girardeau
Dunklin
Mississippi
New Madrid
Pemiscot
Scott
Stoddard
6. Issues and responses Dense fog in morning caused black ice, generally dangerous driving conditions.
Widespread damage - added storm trailers bringing the total to 8
Long repair times- Installed 3-2MVA generators to supply power for 2 towns
7. Issues and responses Storm damage continues until the ice melts
Then came the mud - needed farmer’s equip.
9. Resource Summary Linemen 2400
Vegetation 555
Field Checking 160
Logistics 70
Stores 85
Other Support Personnel 730
Total Resources 4000
11. Major Restoration Obstacles Extensive widespread severe damage
Sub-transmission System
Distribution System
Logistics
No power in the entire region for nearly 4 days
Rural Area—limited infrastructure
Supply Chain
12. Widespread Damage Virtually 100% of AmerenUE customers in 6 counties without power
34 kV Sub-transmission System
25 circuits out of service and requiring major repair
Portageville 71 (34kV) 30 miles long with 1 pole left standing
35 distribution substations without power
20 customer subs without power
Distribution System
163 distribution circuits out of service
13. Distribution System
Many towns required significant re-builds
14. Logistics
15. Logistics Issues On Wednesday night we had rooms but they all lost power as the lineman were bedding down
Logistics issues were significant – enlisted help of a logistics company
16. Logistics 15,500 hotel room nights
2300 alternative sleeping arrangements—bunk trailers, dorms, etc.
76,000 meals
1250+ loads of laundry
44 buses
17. Accomplishments Portageville 71 Re-build
30 miles of line supplying 2 towns
Completely re-built entire circuit in 3 ˝ days using 500 linemen
Collaborated with SEMA and REC’s to transition resources to Co-ops
Participated in twice daily SEMA conference calls
Provide daily restoration status updates
18. Supply Chain IssuesComparison: SEMO Ice Storm vs. Sept 14, 2008 Storm (Hurricane Ike) SEMO Ice Storm
36,000 customers out
Major Material Installed
3800 poles
7000 cross arms
700 transformers
1,440,000 ft of wire (273 miles)
Sept 14, 2008 Wind Storm
(Hurricane Ike) 161,000 customers out
Major Material Installed
38 poles
295 cross arms
58 transformers
69,000 ft of wire
19. Conclusions Emergency Plan designed to manage this contingency
Logistics Plan was stretched to it’s limits—many improvement opportunities identified
Supply Chain process stretched to it’s limit—many improvement opportunities identified
Preparation and advanced planning keys to success along with after-action review