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Louisiana Transmission Improvement and Expansion

As of 2/3/17. Subject to change. Maps are for illustrative purposes only.

Lake Charles Transmission Project

Description: This project, located in the Lake Charles area of southwest Louisiana, involves the construction of a new 500 kV switching station east of the Nelson generating station, construction of approximately 10 miles of new 500 kV line from the new switching station south to a new 500 kV bulk substation, installation of a new 500-230 kV, 1200 MVA autotransformer at the bulk substation and then the construction of approximately 4 miles of new 230 kV transmission line from the bulk substation to the existing Carlyss 230 kV substation. The project also includes the construction of approximately 12 miles of new 230 kV transmission line between the Carlyss and Graywood substations.

Cost: Approximately $159 million.

Status: The project is expected be placed in service by the spring of 2018.

Benefits: This project addresses future load growth and reliability needs in southwest Louisiana.

Learn more about this project.


Terrebonne to Bayou Vista: Construct New 230 kV Line

Description: This project, located in southeast Louisiana, involves the construction of a new 35 mile long 230 kV transmission line.  Entergy Louisiana will add breakers and construct approximately 23 miles from Terrebonne to a point near Amelia, LA where construction of the remaining 12 miles into Bayou Vista will be completed by Cleco.

Cost: Approximately $76 million (Entergy's portion).

Status: The project is expected to be placed in service by the fall of 2018.

Benefits: This joint project addresses future load growth and reliability needs in southeast Louisiana for both the Entergy and Cleco transmission systems.

Learn more about this project.


SELA Project Phase 2 and Phase 3

Description: The SELA Project Phase 2 and Phase 3, located in southeast Louisiana, involves the construction of a new 230 kV transmission line connecting Peters Road 230 kV substation, Oakville 230 kV distribution substation, and Alliance substation, which is located in lower Plaquemines Parish. The project also includes the installation of a 230-115 kV autotransformer at Alliance.

Cost: Approximately $76 million.

Status: Phase 2 was completed and placed in service in September 2012. Phase 3 of the project is currently under construction and is expected to be completed in 2018.

Benefits: This project addresses future load growth and reliability needs in southeast Louisiana.

Learn more about this project.

Fancy Point Substation: Add Second 500-230 kV Autotransformer

Description: This project, located in southeast Louisiana, involves the addition of a second 1,500 MVA, 500-230 kV autotransformer, reworking the 500 kV gas bus, and rebuilding the 230 kV switchyard at the Fancy Point substation.

Cost: Approximately $47 million.

Status: The project is expected be placed in service by the spring of 2019.

Benefits: This project addresses future load growth and reliability needs in southeast Louisiana. 

Coly Substation: Add Second 500-230 kV, 1,200 MVA autotransformer

Description: This project, located in the Baton Rouge area of Louisiana, involves the addition of a second 500-230 kV, 1200 MVA autotransformer at the Coly substation.

Cost: Approximately $21 million.

Status: The project is expected to be placed in service prior to the winter of 2017.

Benefits: This project was identified in the MISO MTEP14 economic study process and selected by Entergy as a potential economic project. 

Waterford to Vacherie 230 kV Line Upgrade

Description: This project, located in southeast Louisiana, involves the upgrade of the Waterford to Vacherie 230 kV line to a higher rating.

Cost: Approximately $20 million.

Status: The project is expected be placed in service by the winter of 2018.

 
Benefits: This project addresses future load growth and reliability needs in southeast Louisiana.

Richardson to Iberville: Construct new 230 kV line

Description: This project, located in the Baton Rouge area of Louisiana, involves the construction of a new 230 kV transmission line between a new Richardson and existing Iberville substations. The Richardson substation is located Morrisonville, Louisiana.

Cost: Approximately $44 million.

Status: The project is expected be placed in service prior to the winter of 2018.

 
Benefits: This project was identified in the MISO MTEP14 economic study process and selected by Entergy as a potential economic project.

Sadie 230 kV Substation

Description: This project in Entergy Louisiana is to construct a new customer load serving 230 kV substation cut in-and-out on the PPG (Menena) to Rose Bluff 230 kV line.

Cost: Approximately $28 million.

Status: The project is expected be placed in service by the summer of 2019

 
Benefits: This project addresses future load growth and reliability needs in southwest Louisiana.

Big Lake 230 kV Substation

Description: This project in Entergy Louisiana is to construct a new customer load serving 230 kV substation cut in-and-out on the Vincent to Graywood 230 kV line.

Cost: Approximately $25 million.

Status: The project is expected be placed in service by the summer of 2018.

 
Benefits: This project addresses future load growth and reliability needs in southwest Louisiana.

Cadeville 115 kV Substation

Description: This project located in north central Louisiana involves the construction of an approximately 15 mile long 230 kV transmission line (initially operated at 115 kV) from  Rilla to interconnect a new distribution substation at Cadeville.

Cost: Approximately $34 million.

Status: The project is expected to be placed in service by the summer of 2018.

 
Benefits: This project addresses future load growth and reliability needs in northern Louisiana. 

Lake Providence 115 kV Substation

Description: This project located in northeast Louisiana involves the construction of an approximately 15 mile long 115 kV transmission line from Oak Grove to interconnect a new distribution substation at Lake Providence.

Cost: Approximately $33 million.

Status: The project is expected to be placed in service by the summer of 2020.

 
Benefits: This project addresses future load growth and reliability needs in northern Louisiana. 

Nine Mile to Barataria 115 kV

Description: This project in Entergy Louisiana is to rebuild the existing 15 mile 115 kV line from Nine Mile to Barataria substations insulated at 230 kV for operations at higher voltage in the future.

Cost: Approximately $32 million.

Status: The project is expected be placed in service by the winter of 2018.

 
Benefits: This project addresses future load growth and reliability needs in southeast Louisiana.