USA, Louisiana: Entergy is waiting on regulatory approval to start implementing the Louisiana Economic Transmission Project (LETP), a portfolio of four transmission projects designed to cost-effectively reduce congestion in the Baton Rouge industrial corridor and to increase the amount of economic power that can flow into the Amite South region.
Among the projects included in LETP is a second 500/230 kV 1,186 MVA autotransformer project at the Coly substation, which would add three single-phase autotransformer banks that duplicate the existing 1,186 MVA 500/230 kV autotransformer at the substation.
Entergy is also implementing a $97 million Ponderosa to Grimes project, located in the western area of Entergy Texas, which includes the installation of a 345/230 kV autotransformer at Grimes, installation of a new 230/138kV autotransformer at the Ponderosa switching station, and the construction of a new 230 kV line between Grimes and Ponderosa.
The project is expected to be in service next summer.
Source: Penn Energy