Past Projects

Project List

Brick Center Substation

Gill Ranch Storage Substation

Ryan Dam GSU Transformer Replacement

SUBSTATIONS

Project Name	Location	Project Description
Willoby Substation	Kersey, CO	New 115kV substation with future 230kV site for Western Area Power Administration.
North Park Substation	Walden, CO	Addition to existing 230 kV Substation.
Pronghorn Substation	Bellfield, ND	New 115kV-4160 substation for oil-drilling facility and gas plant.
Pima Substation	Pima, AZ	New 69kV-12.47/7.2kV substation, including site preparation, concrete foundations, fence, and installation of a step-down transformer with four outgoing feeders.
Fairgrounds Substation	Brighton, CO	New 230kV substation consisting of site preparation and fence by owner with IEC installing concrete foundations, steel structures, bus system, control, etc.
Nyberg Substation	Pueblo, CO	New switchyard to accommodate switching of new 115kV transmission line.
West Substation	Pueblo, CO	Additions to existing 230kV substation to accommodate new transmission line.
Hawkins Substation	Hawkins, TX	New 138kV-12.47kV substation to provide power to the new Nitrogen Rejection Unit for the Exxon Mobile Production Company.  Site work and concrete foundations were excluded.
Climax Mine Substation, Phase II	Fremont Pass, Leadville, CO	New substation for mine site located at 11,300’ altitude at Fremont Pass.  Included two new 50 MVA 115kV-13.8kV transformers (furnished by us under Phase I; see Job #300) and 15kV power feeders to mine loads.
Dennehotso Substation Retrofit	Dennehotso, AZ	Upgrade to existing 69kV substation, including new transformer, circuit switcher, and distribution bay.
Hotchkiss Substation	Hotchkiss, CO	Improvements to existing 115kV-46kV substation.  Owner furnished a mobile sub leaving the 46kV live.  IEC replaced concrete foundations, installed new 115kV and 46kV equipment, bus system, control system.
Greater Sand Hill Substation	Alamosa, CO	Constructed new substation for Solar Farm and 25kV AC Power Collection System, including inverters and transformers. Installed 480v cabling for drive motors.
Flat Water Wind Project Substation	Dubois, NE	Constructed new substation for RES America Construction, Inc. 161-34.5kV yard with 75 MVA transformer. Project included concrete foundations, steel structures, control building, and bus system.
Spurlock Substation	Sun Ray, TX	Constructed new substation for Rita Blanca Electric Co-op. 115-24.9kV yard with 22.4 MVA transformer. Project included concrete foundations, steel structures, control building, and bus system.
Exum Substation	Dalhart, TX	Constructed new substation for Rita Blanca Electric Co-op. 115-24.9kV yard with 22.4 MVA transformer. Project included concrete foundations, steel structures, control building, and bus system.
Hewlett-Packard Substations I & II	Colorado Springs, CO	Constructed two 34.5-12.47kV 32 MVA substations for new Hewlett Packard plant. Project included concrete work, setting equipment and steel, and setting 15kV pre-engineered building at each site.
Sipres Substation	Brighton , CO	Constructed new 230/13.2kV substation yard, including grading, concrete foundations, steel structure, bus system, and grounding for United Power and Tri-State (co-owners).
North Glenwood Substation	Glenwood Springs, CO	Demolished existing substation and built new 24kV substation in its place.
Shiprock Substation KU1A Transformer Replacement	Waterflow , NM	Disassembled 600 MVA transformer, shipping from Maricopa County, AZ to San Juan County, NM. Reassembled the same transformer. Constructed new steel structures, concrete foundations, bus systems, etc. Project included complete demolition of damaged 300 MVA transformer. Project for Western Area Power Administration.
Miracle Mile Substation	Alcova, WY	Made modifications and additions to existing 230kV-115kV substation for Western Area Power Administration.
Gill Ranch Storage Substation	Madera, CA	Design/build 115kV substation as part of a new natural gas compressor facility, including new 15kV switchgear, new PDC building, extensive concrete work including elevated piers for PDC building and fire walls, two new 115kV circuit breakers, six disconnect switches, substation steel and bus system.
Fairplay Substation	Fairplay , CO	Constructed new 115kV substation for Intermountain Rural Electric Association, including demolition/salvage of existing substation.
Shiprock #3 Substation	Shiprock, NM	Constructed new 115-24.9/14.4kV substation with a 115kV three ring breaker bus, allowing for a second transformer. Project included site preparation, concrete foundations, control building, fence, and necessary equipment.
Victory Substation	Bennett, CO	Constructed new 115-12.47/7.2kV substation, including site preparation, foundations, steel erection, grounding, cable system, conduit, and control building.
Blanco Substation	Bloomfield, NM	Constructed new 115-25kV substation with a 12/16/20 MVA transformer. Project included site preparation, concrete, fence, and control building.
North Park Substation	Walden, CO	Constructed new 230kV to 25/14.4kV substation, including site preparation, foundations, grounding, conduit, cable systems, bus work, and control building.
West Bravo Substation	Mosquero, NM	Constructed new 115kV-13.8kV step down substation for Springer Electrical Cooperative and the Hess Corporation.
Turley Switching Station	Blanco, NM	Joint venture between Jemez Mountain Electric Cooperative and Farmington Electric Utility System. Constructed new 115kV switching station with three 115kV breakers.
Climax Mine Substation	Leadville, CO	Design/Build project (including all civil and electrical design) for new 115kV substation for FreePort McMoRan as part of the Climax Mine expansion. Project construction was postponed; however, the engineering design was completed to allow for future construction.
Brick Center Substation	Bennett, CO	Constructed new 230-115kV substation.
Kelker Substation	Colorado Springs, CO	Constructed CMU wall around existing substation. Also included grounding, lighting, and security system additions and modifications.
Raderville Substation Stage 02	Waltman, WY	Made modifications and additions to existing 115kV substation for the Western Area Power Administration. Included three government furnished interrupter switches, four disconnect switches, six surge arresters, concrete foundations, steel structures, control wiring, ground grid and conduit.
Sante Fe Substation	Colorado Springs, CO	Constructed new 115kV to 13.2kV substation for Colorado Springs Utilities.
Schramm Substation, Yuma Tap and Transmission Line	Yuma, CO	Constructed new 115kV substation, including 115kV tap and transmission line, transformer, control building, switches, feeders, control wiring, station grounding, aluminum bus, fence, gravel, mile transmission line, and take off structures.
Daniels Park Substation	Castle Rock, CO	Retrofitted existing 230kV substation to accommodate 115kV feeds for the Intermountain Rural Electric Association (IREA). Included transformer, breaker, gang switches, control building, control wiring, yard grounding, feeders, and CTs.
Burnside Transmission Substation	Ganado, AZ	Constructed new 115kV-69kV transmission substation located on the Navajo Reservation.
Ramah Substation, Zuni Substation Additions & Ramah Breaker	Ramah and Zuni, AZ	Constructed new 69kV substation at Ramah, New Mexico and made modifications to existing 69kV Zuni substation at Zuni, New Mexico near Gallup, New Mexico.
Spindle Hill Substation	Fredrick, CO	Constructed new 115kV switch yard, including breakers, take off structures, fence, gravel, PTs, CTs, switches, control building, and control wiring. Sub-contractor to Aubrey Silvey Enterprises.
Flying Horse Substation	Colorado Springs, CO	Constructed new 115kV substation for Colorado Springs Utilities.
Military Highway, Sixth Street, South Plant, and Power Plant Substations	Brownsville, TX	Constructed two new substations and modified two existing substations simultaneously. Included transporting two 60 MVA power transformers from Military Highway Station to Power Plant Station. 138.69kV-12.5kV stations.
Salt Creek Substation	Midwest , WY	Constructed new 100 MW substation for Anadarko Petroleum Corporations Salt Creek oil field including two 50 MVA transformers. 230kV-34.5kV. Project included moving approximately 85,000 cubic yards of dirt.
Hi-Line Substation	Pharr, TX	Constructed new 138kV-12.5/7.2kV substation for the Magic Valley Electric Co-op. Included one power transformer, six feeder bays, two 138kV power circuit breakers, six 15kV breakers, and one new control building.
Duran, Torrance, and Mid-America Substations	Central New Mexico, NM	Constructed three separate substations simultaneously for the Central New Mexico Electric Co-op. Included two 5 MVA power transformers, one 10/12.5 MVA power transformer, and one 7.5 MVA power transformer. These substations were 115-34.5/19.9kV, 115-34.5/24.94kV, and 24.94-4.16/2.4kV. Constructed one new control building.
Gering Substation Station Service Replacement	Gering , NB	Installed two new 500 KVA transformers and switchgear line-up including feeders to provide new station service power to the Gering substation (for the Western Area Power Administration/WAPA).
Antelope Coal Company Substation	Wright, WY	Constructed new 69kV-34.5kV substation.
Biosphere II Substation	Oracle, AZ	Constructed new 69/12.47kV substation, including four 69kV breakers, one 20/25 MVA power transformer, three 600 amp reclosers, and one new control building. Included installation of 29 count 80 owner-furnished steel poles for 2  miles of transmission line.
West Edinburg Substation	Edinburg, TX	Expanded substation with 138kV breaker addition for the Magic Valley Electric Co-op.
Y-W Electric Association	Eastern Colorado, CO	Additions to four different existing substations.
Hooper Substation	Alamosa, CO	Upgraded existing 69kV/12.47kV substation to a 69kV/25kV substation
Indian Creek Substation	Buffalo, WY	Constructed new 69-24.9kV substation for Powder River Energy Corporation
East Substation/City of Ft. Morgan	Ft. Morgan, CO	12kV upgrade to existing East Substation.
Chilchinbito Substation	Kayenta, AZ	Constructed new 1500 KVA, 69-24.9kV substation for the Navajo Housing Authority.
Platte Substation	Sterling, CO	Constructed new 69kV/12.47kV substation.
Forest Lakes Substation	Monument, CO	Additions to existing substation, 115kV-12.47kV.
Paddock Substation	Falcon, CO	Constructed new 69kV-12.47kV substation.
Rainsville Substation	Mora, NM	Constructed new 115/14.4/24.9kV substation with a 7500 KVA transformer for the Mora-San Miguel Electric Co-op.
Barlow Road Substation--City of Ft. Morgan	Ft. Morgan, CO	Constructed new 115kV-12.5kV substation and distribution system.
Lamar Substation--City of Lamar	Lamar, CO	Constructed new 115kV substation and distribution system.
Blue Spruce Energy Center--Aubrey Silvey Enterprises, Inc.	Aurora, CO	Constructed new 230kV switching station
Windsor Substation	Windsor, CO	Expanded existing substation for the Poudre Valley REA, including addition of a 40 MVA transformer and distribution system.
James L. Green Substation	Thornton, CO	Constructed new 230kV  12.47kV substation and distribution system.
PG&E	Golden, CO	Constructed new 230kV switching station.
Lost Cabin Gas Plant #3	Lysite, WY	Constructed new 69kV substation including four 10.5 MVA transformers.
South Canal Substation	Montrose, CO	Constructed new 115kV substation.
El Paso Substation	Durango, CO	Constructed new 115kV substation for the La Plata Electric Association.
Gallegos Pumping Plant	Farmington, NM	Constructed new pumping plant for the Bureau of Reclamation, including associated 230kV substation and two 60 MVA transformers.

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