COLY SUBSTATION 550kV GIS
Walker, Louisiana

Initial Mobilization / Completion Date

10/17/2017 - 1/10/2018

Contract Amount:

$526,894.00

Owner:

Entergy Of Louisiana

Job Number:

16-2507

General Contractor

GC: Mitsubishi Electrical
Power Products, Inc.
POC:  Gary Kunselmen

Sub: Koontz Electric Co., Inc.
Project Manager: Jeff Ludwig

At a high – level, the work involved the degassing and removal of existing GIS bus, installation of a new 3 pole GIS 550kV breaker and supporting hardware.  Installation of new GIS bus, bus fittings, and support structures.  Installation of new SF6-to-Air GIS bushings and support structures.   Installation of Local Control Cabinet (LCC) and wiring between LCC and breaker.  Installation of grounding and bonding for the entire system.  Assisted with testing and startup / commissioning activities.