Electric Utility Infrastructure Florida Public Service Commission Workshop
Electric Utility Infrastructure Florida Public Service Commission Workshop Paul Davis, Director Energy Control Center Tampa Electric Company January 23, 2005
Overview Ø Summary 2004 and 2005 storms Ø Restoration process Ø Vegetation management and pole inspections Ø Mitigation options 1
Hurricanes experienced in 2004 Hurricane Tracks Maximum Sustained Winds Charley: Duration 46 -115 mph 5 hours 46 -81 mph 40 hours 126 -158 mph 00 hours Aug. 13, 2004 Frances: Sept. 5, 2004 Ivan Sept. 15, 2004 Jeanne 75 -92 mph 31 hours Sept. 26, 2004 2
2004 Hurricanes 3
2004 and 2005 Hurricane Damage Ø System Damage – 2004 Hurricanes • Significant restoration/outages • Low distribution system failure rates (<1%) • Minor substation damage • Total restoration costs approx. $75 M • $116/customer outage Ø System Damage – 2005 Hurricanes • Minor wind damage from Dennis, Katrina & Wilma • Total restoration costs - less than $1 M 4
Restoration Ø Mutual assistance Ø Post-storm sweep Ø Repair/replace practice Ø Temporary repairs Ø Observations Ø Process changes/modifications 5
Vegetation Management and Pole inspection Ø Annual program Ø Storm response 6
Potential Mitigation Options Ø Inventory Ø System enhancements Ø Maintenance practices Ø Vegetation management Ø Hardening options Ø Undergrounding Ø Standards 7
- Slides: 8
