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Osprey to Kathleen Transmission Line

The Osprey to Kathleen 230-kilovolt (kV) transmission line is one of two new transmission lines planned as part of the Polk County Reliability Enhancement Project. The new line will extend from the Osprey Energy Center approximately 26 miles northwest to the existing Kathleen Substation in Polk County. Vegetation removal and construction of the Osprey-Kathleen transmission line will begin spring 2023.

Project at a Glance

Construction of a new Osprey Substation began in 2021 near the Duke Energy-owned Osprey Energy Center in the city of Auburndale. A new transmission line will be constructed between the new substation northwest to the Kathleen Substation

Project area: Polk County, Kathleen, Haines City and Auburndale 

Line voltage: 230 kV 

Pole height: Single-pole steel or concrete approximately 90 to 110 feet

Easement acquisitions: Through early 2023

Line construction start: Spring 2023

Line completion: Summer 2024

Property restoration: Through 2024

Transmission Line Route

Thumbnail map image linking to larger pdf version of map

View larger map, pdf version.
View interactive map.

Example of the monopole design which will be used on the Osprey project.
The height of the new steel structures
will be between 90 and 110 feet.



  • Easement acquisition

    Through early 2023

  • Osprey Substation construction starts

    Spring 2021

  • Line preconstruction work, including surveying, soil boring and staking

    Through 2022

  • Line construction between Osprey and Kathleen substations starts

    Spring 2023

  • Transmission line placed in service

    Summer 2024

  • Property restoration/project complete

    Through 2024

Schedules are subject to change based on factors such as weather, availability of crews and equipment, permitting, or unforeseen circumstances. Activities may not occur in a sequential manner over the entire distance of the project. 

Project benefits and information

This transmission improvement project will help strengthen reliability and enable Duke Energy and other Florida utilities to deliver energy generated at the Osprey Energy Center to the major growth areas in Central Florida and surrounding areas.
  • Help meet current and long-term energy demand in the region

  • Strengthen system reliability to serve growing communities

  • Help minimize the risk of power outages

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Additional Resources

News and Resources sorted by date descending
Route map Osprey Energy Center to Kathleen substation (PDF)Route Map12/07/2018
Route map Osprey Energy Center to Haines City Substation (PDF)Route Map12/07/2018
Easement Acquisition Process (PDF)Resource12/01/2018
Vegetation Management (PDF)Resource12/01/2018
Environmental Stewardship (PDF)Resource12/01/2018