Below is a quick summary of some of our most recent projects.  Please use the Contact Us page to request a PDF showing project contacts and project amounts.

SUBSTATIONS

FOOTHILLS SUBSTATION--PRPA, Loveland, Colorado (Job #402)

Owner:  Platte River Power Authority

 

Start Date:  February, 2017                                                     End Date:  June, 2017

Description:  Construction of new 115kV substation including concrete foundations, conduit/cable trench, and ground grid.  Installed owner furnished control cable, steel, and bus and jumpers.  Supplied and installed substation yard lights and steel stairs for owner furnished control building.

 

FOOTHILLS SUBSTATION, Loveland, Colorado (Job #401)

Owner:  City of Loveland

 

Start Date:  February, 2017                                                     End Date:  June, 2017

Description:  Construction of new 115kV substation including concrete foundations, conduit and ground grid, control cable, oil containment around transformers, and road base and surface rock.

 

DERMOTT SUBSTATION, Snyder, Texas (Job #398)

Owner:  Blattner Energy

 

Start Date:  December, 2016                                                     End Date:  May, 2017

Description:  Construction of new 34.5kV to 345kV step up substation for the Dermott Wind Project, including installation of concrete foundations, grounding system, conduit system, steel structures, bus system, equipment, and controls.

 

FLATIRON AND POLE HILL SUBSTATIONS BREAKER AND SWITCH REPLACEMENT, near Loveland, Colorado (Job #397)

Owner:  Western Area Power Administration

 

Start Date:  November, 2016                                                  End Date:  October, 2017

Description:  Demolition and disposal of old 115kV switches and 115kV oil filled breakers.  Installed owner furnished 115kV switches and 115kV gas filled breakers.  Supplied and installed control cable to new breakers, as well as one 115kV motor-operated disconnect switch. All work was done through multiple coordinated outages while adjacent portions of the substations remained hot at 115kV.

 

ELECTRA WIND SUBSTATION, Oklaunion, Texas (Job #394)

Owner:  Electra Wind, LLC

 

Start Date:  April, 2016                                                        End Date:  September, 2016

Description:  Greenfield construction of a 34.5/345kV complete windfarm substation. The substation is operating (2) 34.5/345kV transformers, (1) 345kV breaker, (5) 345kV switches, (5) 38kV circuit breakers, and (1) 10MVAR capacitor bank.

 

HORSE CREEK WIND SUBSTATION, Munday, Texas (Job #393)

Owner:  Horse Creek Wind, LLC

 

Start Date:  January, 2016                                                   End Date:  August, 2016

Description:  Greenfield construction of a 34.5/345kV complete windfarm substation. The substation is operating (2) 34.5/345kV transformers, (2) 345kV breakers, (3) 345kV switches, (5) 38kV circuit breakers, and (1) 10MVAR capacitor bank.

 

OAHE SWITCHYARD UPGRADE PHASE 1, Pierre, South Dakota (Job #392)

Owner:  U.S. Army Corps of Engineers (USACE)

 

Start Date:  January, 2016                                                      End Date:  October, 2017

Description:  Design and install new 230kV feeder bay to 115kV feeder bay within an existing switchyard of the United States Army Corp of Engineers (USACE) at the OAHE Dam Project. Scope includes hard bus connections and installation of breakers and switches.

 

STERLING BREAKER REPLACEMENT, Sterling, Colorado (Job #390)

Owner:  Western Area Power Administration

 

Start Date:  May, 2016                                                           End Date:  September, 2016

Description:  Replacement of (4) GE 115kV oil-filled breakers with Mitsubishi 115kV gas breakers and adding a CCVT. Scope of work included: removal/disposal of (4) 115kV oil-filled breakers, removal/proper disposal of 7000gals of non-PCB oil including 24 non-PCB oil-filled bushings, removal/disposal of old concrete foundations, new concrete foundations including (2) pier foundations, 115kv gas breaker, grounding, conduit, control cable including terminating at the breakers/CCVT, jumpers, hard bus, and surface rock. All work was performed under individual outages with the rest of the substation remaining energized at 115kV.

 

ANDREWS COUNTY SUBSTATION, Andrews, Texas (Job #389)

Owner:  Southwestern Public Service (d/b/a Xcel Energy)

 

Start Date:  September, 2015                                                 End Date:  February, 2016

Description:  Greenfield construction of a 345/115kV complete substation. The substation is operating (2) 230/115kV transformers, (11) 345kV switches, (3) 345kV circuit breakers, (10) 115kV switches, and (3) 115kV circuit breakers. The substation is built to 345kV but currently operates at 230kV.

 

VERNON SUBSTATION UPGRADE, Vernon, Arizona (Job #388)

Owner:  Navopache Electric Cooperative

 

Start Date:  October, 2015                                                     End Date:  July, 2016

Description:  Demolished existing switching station and control building, scraped pad and installed new 69kV ring bus switching station and integral 69-15kV substation. Scope of work included a new control building with 15kV feeder section transformer and related substation work.

 

THE NEW BAYFIELD SUBSTATION EXPANSION, Bayfield, Colorado (Job #384)

Owner:  La Plata Electric Association, Inc.

 

Start Date:  July, 2015                                                            End Date:  November, 2015

Description:  Constructed new 115kV to 15kV substation adjacent to existing Tri-State facility.

New substation included installation of new control building, bus, steel, and control wiring. Also included a transmission tie-in and line with connections, as well as a new Main Power Transformer.

 

FT. RANDALL DAM SWITCHYARD UPGRADES, Pickstown, South Dakota (Job #380)

Owner:  U.S. Army Corps of Engineers

 

Start Date:  May, 2015     End Date:  December, 2017

Description:  Replacement of (18) 230kV circuit breakers and (12) 115kV circuit breakers.  Also, replacement of all associated group operated air break switches and strain bus.  Replacement of 8400 ft. of asbestos cable tray with new aluminum cable tray.

 

DISTRIBUTION

 

TETON VILLAGE 115KV UNDERGROUND TRANSMISSION LINE, Teton Village, Wyoming (Job #405)

Owner:  Lower Valley Energy, Inc.

 

Start Date:  July, 2017                                                           End Date:  November, 2017

Description:  Design/Build of underground duct bank system for a 138kV transmission line, including 1250 MCM copper conductors, 6" PVC conduit, concrete encased, 12 each 8'x20' concrete pre-cast vaults, two 70' steel poles, and modifications to the existing substation.

 

FT. RANDALL DAM PIPE CABLE SYSTEM REPLACEMENT, Pickstown, South Dakota (Job #391)

Owner:  Army Corps of Engineers

 

Start Date:  October, 2015                                                   End Date:  March, 2019

Description:  Remove 8 oil-filled pipe cable 15kV systems (one circuit at a time).  Install 16 new cable tray systems and 48,000 ft. of new 2750kcmil 15kV cable.  The longest circuits are 1500 ft. long.  Utilize a special cable tray roller system for the installation.  The project length, due to the outage schedule, is approximately 3 ½ years.

 

WILLIAMS-PARACHUTE TXP1 SUBSTATION, near Parachute, Colorado (Job #342)

Owner:  Williams Midstream

 

Start Date:  August, 2012                                                     End Date:  July, 2013

Description:  Furnished and installed two new 67 MVA 230kV-34.5kV transformers and built new substation.  Also included 34.5kV duct bank to feed new cryogenics plant.  Project was a design-build project using NEI Electric Power Engineering.  Note:  the entire plant expansion, including IEC’s substation, was terminated before final completion due to William’s analysis of market conditions.  IEC’s work was approximately 95% complete.

 

INDUSTRIAL

 

CDOT EISENHOWER TUNNEL SWITCHGEAR REPLACEMENT, Eisenhower and Johnson Tunnel, Colorado (Job #299)

Owner:  State of Colorado, CDOT

 

Start Date:  April, 2008                                                         End Date:  September, 2009

Description:  Replaced 480v switchgear.

 

RYAN GSU TRANSFORMER REPLACEMENT PROJECT, Great Falls, Montana (Job #287)

Owner:  PPL Montana

 

Start Date:  November, 2006                                                  End Date:  June, 2008

Description:  Removed existing single phase transformers in the historic Ryan Powerhouse located on the Missouri River.  Installed two new 30/40/50 MVA transformers, as well as associated new 15kV switchgear, feeders and control system.  Also, included installation of two new 100kV circuit switchers and associated bus systems.

 

CENTRAL UTILITY PLANT-SEMPRA ENERGY SOLUTIONS, Aurora, Colorado (Job #215 & #253)

Owner:  Sempra Energy Solutions

 

Description:  Installed switchgear (600v, 5kV, 15kV) and completed other electrical systems for the new chiller/boiler plant.  Also completed first expansion of the system, including additional motor control centers and equipment.  Completed in 2003 and 2005, respectively.

 

Click the Contact Us button below to request a PDF file of all our jobs (30 pages)

 

 

12725 West 54th Drive  ●   Arvada, Colorado  80002  ●  (303) 420-6400