Tampa Electric Company's 2007 Hurricane Season Preparation Briefing

1. Presented to the Florida Public Service Commission May 23, 2007 Tampa Electric Company 2007 Hurricane Season Preparation Regan Haines Director Engineering Energy Delivery

2. Hurricane Preparedness Briefing • System Overview • Inspections, Maintenance and Repairs • Vegetation Management • Coordination with Governmental & Community Groups • Coordination with other Utilities • Pre-Storm Season Activities • Other Storm Hardening Initiatives • Forensic Data Collection Plans

3. System Information • Square miles 2,000 • Customers 654,000 • OH Miles of distribution 6,100 • UG Miles of distribution 7,300 • Distribution circuits 726 • OH Miles of trans 1,200 • Transmission circuits 171 • Substations 217 • Distribution poles 303,000 • Transmission poles 26,000 • Joint Attachments 330,000 • Generation (MW) 4,450

4. Transmission Inspections, Maintenance & Repairs • Completed in 2006 • Above ground inspections – 4,000 structures • Groundline inspections - 761 structures • Identified 214 structures for replacement • Replaced 190 structures • Replaced 184 sets of insulators • 2007 planned & actual activity • Above ground inspections – 3,800 structures • Groundline inspections – 3,412 structures • Includes performing wind loading analysis on structures with joint use attachments • Identified 323 structures for replacement YTD • Replaced 80 structures YTD • Replaced 29 sets of insulators YTD • Helicopter & ground patrols completed – 100% system

5. Distribution Inspections, Maintenance & Repairs • Wood pole inspection program • Performed 16,939 groundline pole inspections in 2006 • Estimated 38,205 groundline pole inspections by Sept 2007 • Includes performing wind loading analysis on structures with joint use attachments • Reinforced 479 poles and replaced 906poles in 2006 • Completed 131 maintenance/structural repairs (down guys, anchors, etc.) • Plan to complete engineering by end of 2007 and all repairs by June 2008 for 2007 inspections

6. Vegetation Management • Transitioning to a three year tree trim cycle for all distribution feeders and laterals • Special emphasis on critical trimming in areas identified by reliability base methodology • All hot spot trimming on high priority circuits completed by peak hurricane season • Trimmed 268 miles of distribution feeder and 840 miles of laterals in 2006 • 10% increase in miles of distribution feeder & laterals trimmed planned for 2007 • Transmission system patrolled semi-annually for 230kV and annually for 69 – 138 kV • Implementing measures learned from recent vegetation management workshop

7. Coordination with Governmental & Community Groups • Hurricane preparation coordination with local governments • City of Tampa, City of Oldsmar and Dade City - 2006 • Temple Terrace, Plant City, Auburndale, Lake Alfred, Winter Haven, Mulberry, Eagle Lake, Hillsborough County and Polk County - 2007 • Participate in storm preparedness workshops • March 28 - Hillsborough County Mass-Casualty Exercise • Week of May 7 - State Mock Storm Exercise • May 23 - Hillsborough County Mock Storm Exercise • June 4 – Hillsborough County Hispanic Hurricane Preparedness Conference • Increased communication through community involvement activities • Hillsborough County tree and landscape short course • Temple Terrace Arbor Day sponsor • Active participation in the City of Tampa Mayor’s beautification committee • Right Tree Right Place programs

8. Coordination with Other Utilities • Mutual Assistance • Southeastern Electric Exchange • Florida Mutual Assistance Group subcommittee • Mutual Emergency Material Support (“MEMS”) • March 2007 - Hardening plan presentation & feedback meeting with joint attachers • May 2007 - Filed new attachment standards and procedures • Joint Use Audit – Plan to complete 30% of system by year-end 2007

9. Pre-Storm Season Activities • Reviewed, updated and exercised disaster recovery plans • Reviewed, updated and synchronized circuit priorities with Hillsborough County EOC • Conducted mock storm circuit patrol training • Reviewed & ordered storm material inventory • Conducted T&D mock storm exercise • Storm simulation exercise • Supervisors & mid-level management • Role responsibilities/gap analysis • Updated Storm damage model • ED Mock Storm Exercise • May 9, 2007 - Hurricane Alice • ED Call-out Group • VP ED and direct reports • Functional ED departments • Customer Service • Corporate Communications • Emergency Management • IT, Telecom, Treasury • Tampa Tribune

10. Other Hardening Initiatives • Filed Tampa Electric’s 2007-2009 Storm Hardening Plan – May 7 • Distribution construction standard - NESC Grade B • 50% stronger than NESC minimum • Underground overhead distribution interstate crossings • Convert remaining 4 kV circuits to the standard 13 kV • Rebuild wood transmission circuit serving Tampa International Airport with non-wood poles • Extreme Wind Pilot Hardening Projects • Port of Tampa • Saint Joseph's Hospital • Change UG construction standard in Flood Zone 1 • Participate in research projects facilitated by PURC

11. Forensic Data Collection Plans • KEMA contracted to perform forensic analysis • Notify consultant after Incident Command System is activated • After storm passes, determine geographic areas to be patrolled for damage collection • Consultant or subcontractor will patrol damage area • Consultant will provide written report of findings, analysis, conclusion and recommendation for improvement in system performance

12. Summary • Inspections • Vegetation Management • Improved Coordination • Training & Pre-Storm Season Activities • Hardening • Forensics Prepared for Storm Season!

13. Questions