• Easement acquisition

    Through mid 2022

  • Osprey Substation construction starts

    Spring 2021

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

    Through early 2022

  • Line construction between Osprey and Haines City substations starts

    Spring 2022

  • Transmission line placed in service

    Late 2023

  • Property restoration/project complete

    Through 2024

* Timeline and project approvals are subject to change based on permitting timelines, additional scope development, weather conditions or other uncontrollable events. Factors such as weather, availability of crews and equipment or unforeseen circumstances may impact the schedule. Many of the activities associated with the design, engineering, and construction of the transmission lines may overlap and do not necessarily happen in a sequential manner over the entire distance of the project. These activities will occur in different locations at different times due to the size of the project and need to optimize the use of resources. 

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Learn more about the importance of transmission and how it plays a vital role in powering our communities.

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Frequently Asked Questions

  • The Osprey Energy Center is strategically located in Central Florida (i.e., Osceola, Orange, Lake, Sumter and Polk counties) where Duke Energy and other utilities who use the transmission system serve a growing population. With this project the additional energy generated at the Osprey Energy Center can be delivered to major growth areas in Polk County, throughout Central Florida and the state through Duke Energy's electric transmission system. In addition, the two new 230-kV transmission lines will help avoid line overloads on the existing Duke Energy transmission system by supplying an alternate path of energy flow to the surrounding areas. The new transmission infrastructure will also provide the opportunity for future economic development and growth in the region.

  • The new lines will be built on single concrete or steel poles, about 90 to 110 feet tall.

    Photo of typical transmission structure
  • With a stronger smarter grid, this transmission improvement project will directly benefit electric customers in Polk county with improved reliability. The project will also add needed capacity to support increasing demand for electricity for growing communities throughout Central Florida in the region and will help minimize the risk and duration of customer outages.

  • Yes. Our crews began construction in spring 2021 on a new state-of-the-art Osprey Substation near the Osprey Energy Center at 1708 Derby Road in Auburndale, Fla

  • The substation design uses a newer technology, known as a GIS – or gas-insulated substation – that requires less space compared to a traditional substation. It is also built within a building enclosure that minimizes the visible impact to the neighbors and community. Once built, there are many technical, reliability and security benefits of the GIS technology. A GIS substation is more accessible for maintenance and its design helps provide protection from risks to equipment such as wildlife, severe weather and intruders.

    The new Osprey Substation is needed to support the installation of two new transmission lines that will allow power from the Osprey Energy Center to be efficiently distributed throughout Polk County and beyond, which will benefit Duke Energy customers and customers served by other utilities.  

  • If an easement is needed on private property, a Duke Energy real estate representative will contact the landowner to discuss the easement acquisition process, the location of poles and wires, and potential compensation for an easement. Easement acquisitions will continue through early 2023.
  • Probably the most noticeable portion of construction is vegetation clearing and grading, which is the earliest step. The right of way must be clear during the construction process. Workers also may build access roads during this phase. Crews will then begin the process of pouring structure foundations and installing structures. Neighbors can expect large trucks with drilling equipment or a concrete mixer in the right of way. The concrete is poured at the bottom of a deep hole to form the foundation. The structure materials arrive in sections and may be assembled on the ground before being installed. The final construction activity is wire stringing. Trucks carrying large reels of conductor are typically used, with a winch to pull the conductor through. Linemen attach the wires to the structures. Later, crews install ground rods to the structures. Power is typically not affected when the line is energized.

  • Following the installation of poles and wires, our crews work on the final project phase, which is restoration. This work may include leveling, seeding and laying straw on affected areas. Construction materials and debris will be removed, and the right of way will be restored as closely as possible to its original condition. Trees and vegetation removed before construction are not replaced. Periodic vegetation management is done to keep the easement free of incompatible vegetation.

  • Please see the Additional Resources section below for additional fact sheets on various topics.

Additional Resources


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