

An affiliate of Pattern Energy has filed
for a siting certificate with the Mississippi
Public Service Commission (MPSC) for a
preferred route plan for the Southern Cross
Transmission Project.
The route will pass through the Mississippi
River in Issaquena County and continue
eastward through Washington, Sharkey,
Humphreys, Holmes, Carroll, Montgomery,
Choctaw, Oktibbeha, Clay and Monroe
counties, terminating at a converter
station in Lowndes County.
The MPSC will assess the project and issue
its order based on the results of the review.
With a base load capacity of 2,000MW
the Southern Cross project is a ±500kV
HVDC transmission line to connect excess
wind energy in Texas to the grid in the
southeast.
Construction is expected to start in 2018
with the line operational in 2021.
Under the project, the high voltage
and HVDC converter station will be
constructed in northwest Louisiana, with
around 400 miles of HVDC transmission
lines across Louisiana and Mississippi.
Pattern Energy CEO Mike Garland said:
“The Southern Cross project will be one
of the nation’s first overhead HVDC
transmission lines constructed in nearly
two decades.”
Mississippi route assessment
Image: By WebTV3, via Wikimedia Commons
wiredInUSA - June 2017
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