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Project at a glance

Project area: Levy County, city of Williston, town of Bronson
Project plan: New transmission line and new substation
Line length: 17 miles
End points: New Williston North Substation and existing Bronson Substation
Voltage: 230 kilovolts
Pole: Single-pole steel or concrete approximately 90 to 110 feet
Williston North Substation construction start: Summer 2021
Transmission line construction start: Early 2023
Project completion: Spring 2023

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Transmission Line Route

A preferred route for the Williston to Bronson project was announced in February 2019. The general location of the route and the planned Williston North Substation can be viewed on the interactive map. The address search and zoom features will provide a more detailed view of a particular area.

Williston North to Bronson Route Map
View interactive map or view larger pdf map.

The new transmission line will extend approximately 17 miles from a new Williston North Substation being constructed at 4991 NE Highway 41, directly north of the existing Williston Substation. The new transmission line will extend to the existing Bronson Substation located at 790 N. Hathaway Ave. in the town of Bronson.

Both the existing Williston and Bronson substation also will be upgraded and expanded, including the relocation of the existing communication tower, which will be installed south of the Williston Substation. Substation work at the sites began in late summer 2021.

In addition to the new transmission line and substation, existing transmission lines to the east and north of Williston Substation will require upgrades to maximize reliability and grid performance. The improvements to these lines will occur late 2021 and into 2022.




  • Easement acquisition

    Through 2022

  • Preconstruction work, including surveying, soil boring and staking

    Through late 2022

  • Construction of new Williston North Substation starts

    Fall 2021

  • Vegetation removal and transmission line construction

    Starts early 2023

  • Project completion

    Summer 2023

*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.

Helpful Videos to Learn More

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 transmission system in Florida is an open access system, meaning the transmission grid serves all utilities in the state and their customers. The new transmission line and substation will strengthen reliability to meet the growing demand and will help enhance the ability of Duke Energy to provide safe and reliable energy to homes, community facilities and businesses in Levy County and surrounding areas.

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

    Images showing what a monopole transmission tower looks like.
  • The project will add needed capacity to support increasing demand for electricity for growing communities in the region and will help minimize the risk and duration of customer outages.

  • 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 compensation for an easement.

  • 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. Homeowners’ 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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