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Texas Transmission Improvement and Expansion

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

Learn more about select Entergy Texas, Inc. transmission projects.

Ponderosa to Grimes 230 kV Project

The Ponderosa to Grimes 230 kV project is a long-term project located in the western area of Entergy Texas. The project includes the installation of a 345-230 kV autotransformer at Grimes, installation of a new 230-138 kV autotransformer at the Ponderosa switching station, and the construction of a new 230 kV line between Grimes and Ponderosa. The project also includes the upgrade of a 138 kV transmission line between the Ponderosa and Conroe substations.

Cost: Approximately $63 million.

Status: The project was completed in May of 2016.

Benefits: This project addresses both the future load growth and reliability needs in Entergy Texas' western area as well as congestion in the Grimes substation area.

COMPLETED


Orange County Project

Description: The Orange County project is located north of the Beaumont/ Port Arthur area in Texas. The project includes construction of a new 230 kV switching substation referred to as Chisholm Road, construction of a new 230 kV line from Hartburg to Chisholm Road, and cutting-in of the existing McLewis to Helbig and Georgetown to Sabine 230 kV lines. The project also includes the installation of a second 500-230 kV autotransformer at Hartburg.

Cost: Approximately $55 million.

Status: The project was completed in July of 2016.

Benefits: This project addresses future load growth and reliability needs in the east Texas area north of Beaumont.

COMPLETED


China to Amelia: Construct New 230 kV Line

Description: This project, located in east Texas, involves the construction of a new 230 kV transmission line between Entergy Texas' China and Amelia 230 kV substations.

Cost: Approximately $36 million.

Status: This project was placed in service in May of 2016.

Benefits: This project addresses future load growth and reliability needs in east Texas.

COMPLETED


Alden Substation: Add 200 MVAR SVC

Description: This project, located in east Texas, involves the installation of a new 138 kV 200 MVAR static var compensator at the Alden 138 kV substation to provide dynamic var support in the region. It also includes installation of a 25.1 MVAR capacitor bank at both Forest and Oak Ridge.

Cost: Approximately $33 million.

Status: The project was placed in service in December 2016.

Benefits: This project addresses the need for additional reactive power support needs in east Texas.

COMPLETED

China to Stowell: Construct New 230 kV Line

Description: This project, located in east Texas, involves the construction of a new 230 kV transmission line between Entergy Texas China and Stowell substations. This includes the addition of a 230-138 kV autotransformer at Stowell.

Cost: Approximately $57 million.

Status: The project is currently ongoing with an expected in-service date of June 2019.

 
Benefits: This project addresses future load growth and reliability needs in east Texas.

Learn more about this project.

Western Region Economic Project

Description: This project in Entergy Texas is composed of two project projects that work together to reduce congestion in the Entergy Texas transmission system.   The two projects are (1) Construct a new 230kV transmission line from the Grimes area the Lewis Creek generating station.  (2) Upgrade the existing 25 mile 138 kV line from Newton Bulk to Leach. 

Cost: Approximately $154 million.

Status: The upgrade portion of the project is expected be placed in service by the summer of 2019 followed by the completion of the new 230 kV transmission line by the summer of 2020.

 
Benefits: This project relieves flowgate congestion and contributes to customer economic benefits by allowing the dispatch of lower cost generation in the Entergy Texas area.

Learn more about this project.

Port Arthur Reliability Improvement Project

Description:  Entergy Texas is constructing (2) new 230 kV substations and the instaling a new 230 kV transmission line between the new substations in the Port Arthur area.  The proposed Garden 230 kV substation will be near Central Gardens, Texas and the proposed Legend 230 kV substation will be near Port Acres, Texas.

Cost: Approximately $63 million.

Status: The project is currently ongoing with an expected in-service date of June 2020.

 
Benefits: This project addresses future load growth and reliability needs in east Texas.