This definition appears very rarely
Samples in periodicals archive:
ENTERGY POWER GAS OPERATIONS CORPORATION, C6809-2001, Foreign Corporation, FPC, Nevada Company Profile, People Search, Company Search
LLC. which is owned by EWO Wind II, LLC, which is owned by Entergy Power Gas Operations Corporation and Contact Information...
Directions - Entergy Power Gas Operations Corporation;; Yelp
There are 2 companies that go by the name of Entergy Power Gas Operations Corporation. These companies are located in Jackson MS and Las Vegas NV.