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Storm Hardening Initiatives

Storm Hardening Initiatives. Robert Schimmenti VP Engineering and Planning Consolidated Edison Company of New York, Inc. June 12, 2013. Pre-Sandy Infrastructure Investments. Limiting Damage to Overhead System Aggressive tree trimming to reduce storm damage to power lines

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Storm Hardening Initiatives

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  1. Storm Hardening Initiatives Robert Schimmenti VP Engineering and Planning Consolidated Edison Company of New York, Inc. June 12, 2013

  2. Pre-Sandy Infrastructure Investments • 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 • 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 2

  3. Sandy Impact 3

  4. Historical Storm Comparison 4

  5. Rye Playland Base Camp

  6. Westchester Tree Impact

  7. Overhead Distribution Initiatives • Advanced Equipment • Selective Undergrounding • Reduce Segment Size • Sacrificial Components • Enhanced Technology 7

  8. Armonk Loop - Overview Banksville Loop Armonk Loop • Armonk Loop Split • Extend new feeder • Armonk loop into two loops • New storm hardened cable VRS VRS Mid-point Mid-point Tie Tie Mid-point Mid-point VRS VRS 7W45 14W10 14W03 S/S S/S Millwood West Pleasantville

  9. East 14th Street and Avenue C 9

  10. Impact of Sandy on Con Edison Facilities 10

  11. 4 Hours of Salt Water Corrosion 11 11

  12. Flood Walls Around Control Equipment Sandy Water Mark 12

  13. High Capacity Pumps

  14. Elevate Critical Components Con Edison Designed Enclosure Lift 14

  15. Utilize Latest Technology Harden Components Mitigate Impact Facilitate Restoration Underground Network System Network Reconfiguration Bowling Green: 123 MW Fulton: 115 MW New Sub-Networks

  16. Underground Smart Switch

  17. Submersible Transformer Switch 17

  18. Storm Hardening Initiatives Robert Schimmenti VP Engineering and Planning Consolidated Edison Company of New York, Inc. June 12th, 2013

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