The primary areas of growth identified in the Tampa Electric Company's 2026-2035 Storm Protection Plan (SPP) docket are:
- Distribution Storm Surge Hardening Program
- Transmission Switch Hardening Program
- Lateral Undergrounding Program
Key considerations for each area:
1. Distribution Storm Surge Hardening Program
- Aimed at hardening distribution switchgear and transformers in critical flood zones, making them resistant to storm surge and freshwater flooding.
- Expected to reduce restoration costs and outage times associated with extreme weather and enhance reliability.
- The program was debated: Tampa Electric argued it meets statutory goals and rule requirements, while the Office of Public Counsel (OPC) recommended exclusion for non-compliance with filing requirements
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2. Transmission Switch Hardening Program
- Focuses on hardening transmission switches to improve resilience against extreme weather.
- The plan states that approval for initial implementation (2026–2028) is not evidence of imprudence, but future retention in the SPP will be subject to further review.
- Like the distribution program, OPC recommended exclusion for non-compliance, whereas Tampa Electric and the stipulated resolution support inclusion
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3. Lateral Undergrounding Program
- Involves converting overhead lateral distribution lines to underground to reduce storm-related outages and restoration times.
- The target for undergrounding was reduced from 75–100 miles per year in the previous SPP to 65–85 miles, and then further stipulated to 75 miles per year for the 2026–2035 SPP. This is an annual target, not a hard cap.
- The reduction was a result of negotiation and is intended to balance reliability improvements with cost considerations
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For each area, key considerations include:
- Compliance with statutory requirements (e.g., section 366.96, Florida Statutes) and administrative rules (rule 25-6.030, F.A.C.).
- The programs’ projected impact on restoration costs, outage durations, and overall system reliability.
- The balance between cost, feasibility, and benefit to customers.
- Stakeholder (utility and OPC) agreement or objections regarding plan elements and implementation pace
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