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

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

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Presentation Transcript

  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