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1138 N. Alma School Rd. Mesa, AZ 85201
(480) 245-7200

Projects

Our projects range from EHV transmission lines and substations to oil & gas infrastructure and mining.
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Environmental leadership keeps Indiana T-line rebuild on track
Environmental leadership keeps Indiana T-line rebuild on track

ECSL, a joint venture of Houston-based EC Source and Chicago-headquartered Sargent & Lundy, engineered and rebuilt a transmission line along with adding a distribution line and related work.

Crews carefully cross Ohio wetlands to rebuild 69kV line
Crews carefully cross Ohio wetlands to rebuild 69kV line

This project included reconstructing a 69kV electric transmission line stretching approximately 12 miles northeast from the Ohio Central Substation in Dresden, Ohio, to the Cyclops Substation in Conesville, Ohio.

Rebuilding Southwest Florida’s Charlotte-Peachland T-line
Rebuilding Southwest Florida’s Charlotte-Peachland T-line

This project included reconstructing and upgrading a 138kV electric transmission line to a 230kV transmission line. EC Source crews reconstructed eight concrete structures in and around the Shell Creek, northeast of Punta Gorda.
Texas Power Station Grid Upgrades
Texas Power Station Grid Upgrades

The scope of this project included procurement of materials for and constructing a substation and transmission line in the vicinity of Montgomery County, Texas. Crews rebuild approximately 34 miles of 138kV and 230kV transmission line and upgraded four substations for Entergy Texas.
EEG manages environmental permitting, so T-line can span West Virginia mines
EEG manages environmental permitting, so T-line can span West Virginia mines

EEG’s environmental compliance and construction expertise helped PacifiCorp engineer, procure and construct (EPC) a 31-mile 345-kV transmission line, 68-mile 500-kV line, and approximately 500 structures to link the Clover Substation in Mona, Utah, with the Oquirrh Substation near West Jordan, Utah.
EEG Environmental Analysis Charts Course for New EHV Line
EEG Environmental Analysis Charts Course for New EHV Line

The Ten West Link transmission project has as its goal “strengthening a critical section of the Western electrical grid.” The 125-mile Ten West Link 500-kV overhead transmission line will traverse land managed by the U.S. Bureau of Land Management, U.S. Bureau of Reclamation, U.S. Department of Defense, Arizona State Land Department and private landowners.
EEG Wins OK from Feds to Keep Construction Moving
EEG Wins OK from Feds to Keep Construction Moving

EEG helped PacifiCorp efficiently and safely comply with environmental challenges associated with constructing the 168-mile Sigurd to Red Butte 345-kV Transmission Line in southern Utah.
EHV T-Line Job Near Historic Mine Takes Conservation, Construction
EHV T-Line Job Near Historic Mine Takes Conservation, Construction

EEG’s environmental compliance and construction expertise helped PacifiCorp engineer, procure and construct (EPC) a 31-mile 345-kV transmission line, 68-mile 500-kV line, and approximately 500 structures to link the Clover Substation in Mona, Utah, with the Oquirrh Substation near West Jordan, Utah.