storm hardening initiatives robert schimmenti vp engineering and planning consolidated edison...
TRANSCRIPT
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Storm Hardening Initiatives
Robert Schimmenti VP Engineering and PlanningConsolidated Edison Company of New York, Inc.June 12, 2013
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Pre-Sandy Infrastructure Investments
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• Since 1992 nor'easter– Raised critical equipment to
enhance flood protection
– Upgraded pumps and flood gates
– Installed protective moats
• Since Hurricane Katrina– New transformers and network
protectors in flood zones must be submersible or installed above flood level
– New submersible equipment tested to operate under 25 feet of brackish water
Limiting Damage to Overhead System– Aggressive tree trimming to reduce
storm damage to power lines– Monthly aerial inspections and semi-
annual ground patrol inspection of transmission line rights-of-way
Additional Investments– Control centers can remotely monitor
power flow, feeder status, and switches
– Operators can remotely operate breakers and switches to manage the grid and improve restoration lines
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Region Customer Outages
Bronx 75,406
Brooklyn 143,088
Queens 160,893
Staten Island 179,530
Manhattan 235,451
New York City Total 794,368
Westchester County 320,926
Con Edison System Total 1,115,294
Sandy Impact
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Historical Storm Comparison
Date Type of Storm Customers Interrupted
29-Oct-12 Super storm Sandy 1,115,000 *
28-Aug-11 Hurricane Irene 203,821
13-Mar-10 Nor'easter 174,800
29-Oct-11 Nor'easter 135,913
9-Sep-85 Hurricane Gloria 110,515
2-Sep-06 Tropical Storm Ernesto 78,300
25-Feb-10 Snow 65,200
18-Jan-06 Wind / Rain 61,486
31-Mar-97 Nor'easter 45,180
19-Oct-96 Nor'easter 41,830
*Note: includes Nor'easter Athena
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Rye Playland Base Camp
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Westchester Tree Impact
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• Advanced Equipment
• Selective Undergrounding
• Reduce Segment Size
• Sacrificial Components
• Enhanced Technology
Overhead Distribution Initiatives
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Armonk Loop - Overview
• Armonk Loop Split
– Extend new feeder
– Armonk loop into two loops
– New storm hardened cable
VRS
Tie
14W03 7W4514W10
Armonk Loop
S/S S/S
Pleasantville Millwood West
Mid-point
Mid-point
VRS
Banksville Loop
Tie
Mid-point
Mid-point
VRS
VRS
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East 14th Street and Avenue C
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Impact of Sandy on Con Edison Facilities
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4 Hours of Salt Water Corrosion
1111
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Sandy Water Mark
Flood Walls Around Control Equipment
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High Capacity Pumps
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Elevate Critical Components
Con Edison Designed Enclosure Lift
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Underground Network System Network Reconfiguration
Bowling Green: 123 MW
Fulton: 115 MW
New Sub-Networks
Utilize Latest Technology
Harden Components
Mitigate Impact
Facilitate Restoration
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Underground Smart Switch
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Submersible Transformer Switch
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Storm Hardening Initiatives
Robert Schimmenti VP Engineering and PlanningConsolidated Edison Company of New York, Inc.June 12th, 2013