The post Entergy: Hurricane Ida Took Out Eight Critical High-Voltage Transmission Lines appeared first on POWER Magazine.

Moving quickly after devastating winds from Hurricane Ida on Aug. 29 took out eight critical high-voltage lines and blacked out New Orleans, Jefferson, and two other Louisiana parishes, Entergy hashed out two options. One—the “preferred solution”—was to restore some of the critical transmission lines that tie Greater New Orleans to the larger MISO grid, and the second was to create an “island” that would temporarily isolate the Greater New Orleans region from MISO. 

Entergy ultimately went with a pairing of the two. As restoration crews set out to repair transmission structures, Entergy established a temporary “standalone grid” powered mainly by the 128-MW New Orleans Power Station in Eastern New Orleans and Ninemile 6 in Westwego. As the company noted, the May 2020-commissioned New Orleans Power Station—a reciprocating engine plant—was designed to assist with storm restoration, given its self-start capability and ability to ramp-up to full capacity in a few minutes.…

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