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At Dominion Energy, we are dedicated to finding the best solutions for the long-term energy needs of the communities we serve. This focus led to creation of the Queensboro – Johns Island 115 kV Tie – Church Creek project. The catalyst for the project was the need for a secondary power source to the growing Johns Island area, which is powered by Santee Cooper, as well as the need for DESC to rebuild aging infrastructure in the Charleston area.

employee in the field

At Dominion Energy, we are dedicated to finding the best solutions for the long-term energy needs of the communities we serve. This focus led to creation of the Queensboro – Johns Island 115 kV Tie – Church Creek project. The catalyst for the project was the need for a secondary power source to the growing Johns Island area, which is powered by Santee Cooper, as well as the need for DESC to rebuild aging infrastructure in the Charleston area.

To serve the Johns Island area, Santee Cooper has requested a new “tie line” with DESC. This means the line will have dual ownership -- Dominion Energy will own a portion of the line and Santee Cooper will own a portion. DESC will own approximately six miles of the line from the existing Queensboro Substation on James Island to an interconnection point on Johns Island. From the interconnection point, Santee Cooper will own the remainder of the line up to their Johns Island Substation.

Additionally, because the existing DESC transmission line will be converted to become the Queensboro – Johns Island Tie Line, DESC will be constructing a new transmission line in the open side of its existing 170’ right of way. This line will originate at DESC’s Queensboro Substation and follow the existing right of way to DESC’s Church Creek Substation.

This entire project is approximately 9.5 miles in length and will be done exclusively on existing right of way along an existing transmission corridor. All new transmission structures will be rebuilt on galvanized steel monopoles designed to meet all modern National Electric Safety Code requirements.

Letters will be sent out to impacted property owners along the route as DESC gets closer to construction. Property owners can expect to see right of way flagging along the corridor. Because only one side of the existing 170’ right of way has been utilized up to this point, there will be some tree trimming necessary to reclaim the full extent of the right of way.

Please contact Dominion Energy SC at 1-866-865-1466 or SCPowerLine@dominionenergy.com with questions.

The engineering design and environmental permitting began in the summer of 2020 and will continue into 2021. Line construction is expected to start in the 1st quarter of 2021 and will continue through the end of 2022.

The project begins on James Island at the Queensboro Substation on George Griffith Blvd. From there it passes by the front of the Meridian Place neighborhood, through the James Island County Park, and across the Stono River onto Johns Island. On Johns Island, the line turns north and crosses Maybank Highway and Rushton Landing Rd. before crossing the Stono River into Charleston. The line will cross Highway 17 and stop near Glenn McConnell Parkway.

The major road crossings for this project are Maybank Highway and Hwy 17. Construction work will be sequenced to cause minimal interruptions to traffic patterns. Additionally, the line crosses the Stono River twice. Residents can expect to see barges and other construction equipment in the Stono River while construction is happening.  

Questions?

Lady on her phone

Contact:

Please contact us at 866-865-1466 or SCPowerLine@dominionenergy.com with questions.

Additionally, letters will be sent out to impacted property owners along the route as DESC gets closer to construction of the individual sections.

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