Electrical Transmission & Distribution Projects

115-kV to 12.5/7.2-kV Substation
Location: Washington
Client: Big Bend Electrical Cooperative
Description: 

Provided substation feeder getaway designs and overhead and underground feeder rebuilds for Big Bend Electrical Cooperative.

115-kV Underground Transmission
Location: Puerto Rico
Client: Ray Engineers & Associates
Description: 

Design of underground transmission system encircling San Juan, Puerto Rico.

138-kV Transmission Grid Improvements
Location: Fort Worth, Texas
Client: TXU Electric Delivery
Description: 

Extended projects for TXU Electric Delivery in Texas, including new, rebuilt, reconductored and relocated 138- and 345-kV lines.

138-kV Transmission Lines
Location: Austin, Texas
Client: Lower Colorado River Authority
Description: 

Design for several 138-kV transmission lines for the Lower Colorado River Authority in Texas.

15-kV Shielded Power Cables
Client: Koch Refining Company
Description: 

The study, recommendations and design improvements for Koch's east refinery.

161-kV and 500-kV Transmission Line Thermal Analysis
Location: Chattanooga, Tenn.
Client: Tennessee Valley Authority
Description: 

The modeling and analysis of approximately 1,000 miles of 161-kV and 500-kV transmission lines.

161-kV Underground Transmission Line
Location: Kansas City, Mo.
Client: Aquila Inc. (now Kansas City Power & Light)
Description: 

Design-build services for Aquila’s 161-kV underground transmission line crossing a golf course and subdivision, the first XLPE solid dielectric cable installed in Aquila’s transmission system.

230-kV Substation Upgrades
Location: Richmond, Va.
Client: Dominion Energy
Description: 

Joint venture design-build services for modifications to three substations to improveimprove reliability of Dominion Energy's 230-kV system.

3 Underground Transmission Projects
Location: Las Vegas
Client: Nevada Power Co.
Description: 

Design for two and engineer-procure-construct specifications for a third underground transmission project for Nevada Power Co.

34.5-kV Cogeneration Plant
Location: Decatur, Ill.
Client: Archer Daniels Midland
Description: 

This project consisted of a 34.5-kV substation at the cogeneration plant and six 34.5-kV distribution feeder circuits to five plant site substations and one investor-owned electric utility interconnection point.

345-kV Bosque Switch
Location: Bosque County, Texas
Client: Brazos Electric Power Cooperative
Description: 

Provides an interconnection point for a new generating facility, including new 345-kV and 138-kV switchyards, modifications to an adjacent 345-kV transmission line and construction of a new 138-kV transmission line.

345-kV Plant Tie Circuit
Location: Pasadena, Texas
Client: CenterPoint Energy
Description: 

Design-build services for a 345-kV plant tie circuit at the Lyondell-Citgo Refinery in Houston.

69-kV Downtown Substation
Location: Knoxville, Tenn.
Client: Knoxville Utilities Board
Description: 

Design-build services for a hidden 66-kV substation in nine months, including the design, procurement, construction and landscaping, for the Knoxville Utilities Board.

99-MW Wind Energy Acquisition
Location: Minnesota
Client: Confidential
Description: 

Siting and acquisition assistance for a confidential client for a 99-MW wind farm under development in Minnesota by a third party, including environmental and permitting reviews, windshield surveys, due diligence and GIS mapping.

AEP Substation Projects
Location: Various
Client: American Electric Power (AEP)
Description: 

Engineering, procurement, construction, project management support, testing and commissioning related to more than 200 substation and transmission projects for American Electric Power.

Beach Boulevard Overhead to Underground Conversion Project
Location: Jacksonville, Fla.
Client: JEA
Description: 

Design for the replacement of approximately 1.2 miles of 26.4 kV overhead conductor with underground conductor for JEA, Jacksonville, Fla.

Blue Canyon Wind Farm
Location: Comanche County, Okla.
Client: Horizon Wind Energy
Description: 

Engineering design of the collection system, substation and transmission for the 100-MW Blue Canyon V Wind Farm in Comanche County, Okla., for Horizon Wind Energy.

Bridge-Supported High-Voltage Cables
Location: Cape Hatteras, N.C.
Client: Cape Hatteras Electric Membership Corp.
Description: 

Installation of one of the longest bridge-supported high-voltage cables in North America.

Buffalo Ridge Incremental Generation Outlet and Transmission
Location: Minnesota
Client: Xcel Energy
Description: 

EPC contractor for Xcel Energy on Buffalo Ridge incremental generation outlet and 23 miles of 115-kV transmission line design, procurement and construction in Minnesota.

Central Power Loop
Location: Nashville, Tenn.
Client: Nashville Electric Service
Description: 

Transmission line design and substation site development for about 10 miles of new 69- and 161-kV transmission line as part of the Central Power Loop around downtown Nashville, Tenn.

Comprehensive System Study
Location: Santa Ana, Calif.
Client: Orange County Sanitation District
Description: 

Comprehensive system study for two wastewater treatment plants in Orange County, Calif. Included development of a database for maintaining equipment ratings and maintenance information.

Construction & Design of Overhead Transmission Lines
Location: Belize
Client: Belize Electric Co. Ltd.
Description: 

Conceptual and detailed design engineering and construction services for overhead transmission lines in Belize, including structure design, foundation design, conductor sag-tension design, insulation design, guy and anchor design and structure spotting.

Crissinger-Tangy 138-kV Underground Transmission
Location: Delaware, Ohio
Client: Delaware, Ohio, Airport
Description: 

Joint venture project management, engineering, material procurement, construction and testing of the Crissinger-Tangy 138-kV transmission line underground relocation for the Delaware, Ohio, Airport.

Delaware Mountain Collector Line
Location: Guadalupe Mountains National Park, Texas
Client: National Wind Power
Description: 

A 9-mile, 34.5-kV vertical collector line for 40 wind turbines through difficult terraine in Guadalupe Mountains National Park in Texas for National Wind Power.

Design & Construction of 69-kV Substation
Location: Hawaii
Client: Hamakua Cogen Facility
Description: 

New, four position, breaker-and-a-half, 69-kV substation and two new wood and steel pole, 69-kV transmission lines with OPGW that intercepted an existing Hawaii Electric Light Company (HELCO) transmission line.