Great Southwestern provides a full range of services within the
electrical construction industry. These services include turn-key
design/build solutions, substation construction, transmission and
distribution system construction, communication system
construction and alternative energy (wind, solar and geo-thermal).
Great Southwestern Construction and the Delaney Group, Inc. are nearing completion of the Keenan II Wind Project located near Woodward, Oklahoma. Great Southwestern's portion of the project consisted of constructing a new 138kV substation, 10 miles of 138kV transmission line, and the collection system for 66 Siemens Turbines. Delaney Group is a division of Tetra Tech.
The Alta Wind Project consisted of a new 230kV substation located in Tehachapi, California. Great Southwestern Construction completed this new substation for the joint venture of Wind Energy Constructors and Balfour Beatty.