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Electric Utility Infrastructure Florida Public Service Commission Workshop Paul Davis, Director Energy Control Center Ta

Electric Utility Infrastructure Florida Public Service Commission Workshop Paul Davis, Director Energy Control Center Tampa Electric Company January 23, 2005. Overview. Summary 2004 and 2005 storms Restoration process Vegetation management and pole inspections Mitigation options.

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Electric Utility Infrastructure Florida Public Service Commission Workshop Paul Davis, Director Energy Control Center Ta

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  1. Electric Utility InfrastructureFlorida Public Service Commission WorkshopPaul Davis, DirectorEnergy Control CenterTampa Electric CompanyJanuary 23, 2005

  2. Overview • Summary 2004 and 2005 storms • Restoration process • Vegetation management and pole inspections • Mitigation options

  3. Hurricane Tracks Maximum Sustained Winds Duration Charley: 46-115 mph 5 hoursAug. 13, 2004 Frances: 46-81 mph 40 hoursSept. 5, 2004 Ivan 126-158 mph 00 hoursSept. 15, 2004 Jeanne 75-92 mph 31 hoursSept. 26, 2004 Hurricanes experienced in 2004

  4. 2004 Hurricanes

  5. 2004 and 2005 Hurricane Damage • System Damage – 2004 Hurricanes • Significant restoration/outages • Low distribution system failure rates (<1%) • Minor substation damage • Total restoration costs approx. $75M • $116/customer outage • System Damage – 2005 Hurricanes • Minor wind damage from Dennis, Katrina & Wilma • Total restoration costs - less than $1M

  6. Restoration • Mutual assistance • Post-storm sweep • Repair/replace practice • Temporary repairs • Observations • Process changes/modifications

  7. Vegetation Management and Pole inspection • Annual program • Storm response

  8. Potential Mitigation Options • Inventory • System enhancements • Maintenance practices • Vegetation management • Hardening options • Undergrounding • Standards

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