CEI has over two decades of proven experience in substation construction services, delivering safe, reliable, and cost-effective solutions for complex electrical infrastructure projects. Our highly trained workforce specializes in construction within energized substations, ensuring compliance, safety, and precision at every stage.
Our commitment to quality workmanship and consistent on-time, on-budget delivery has earned the trust of the City of Redding, WAPA, and other government agencies. Today, CEI is the preferred choice for substation construction and maintenance throughout Northern California.
Our commitment to quality workmanship and consistent on-time, on-budget delivery has earned the trust of the City of Redding, WAPA, and other government agencies. Today, CEI is the preferred choice for substation construction and maintenance throughout Northern California.
Tracy 500kv Substation - COTP Shunt Cap Breaker & Switch Replacement Bay T8, 2025
Project includes removal and replacement of 500KV power circuit breakers, motor operated disconnecting switches, and motor operated ground switches located in Bay T8, as well as the installation of miscellaneous electrical material including conduit, outdoor bus, and control cables.
Contract Amont: $2,237,150.00
ONGOING
Contract Amont: $2,237,150.00
ONGOING
Olinda Substation - Station Service Upgrades, 2025
Project includes demo of existing Unit Substation DZA, pad mount transformer, and standby generator, followed by installation of 230kv bay, including motor operated disconnect switch, SSVT's and associated material, as well as a pad mount transformer, ATS, three safety switches, 35kV power cable, a main distribution switchboard and associated steel structures and foundations.
Contract Amount: $874,185.00
ONGOING
Contract Amount: $874,185.00
ONGOING
Tracy 500kv Substation - COTP Shunt Cap Reactor & Switch Replacement Bay T10, 2024
Project included removal and replacement of 500kv power circuit breakers, motor operated disconnecting switches, and motor operated ground switches located in Bay T10, as well as installation of a surface trench and associated electrical equipment and site development.
Contract Amount: $2,319,355.00
Contract Amount: $2,319,355.00
Keswick & Maxwell Substations - Station Service Upgrades, 2021
Project included installation of 230-kV Government-furnished SSVT’s, 115-kV Government-furnished station service transformer and associated material, ATS, safety switches, main distribution panel, and associated station service equipment including yard panels, dry-tape, pad mounted transformers, insulated conductors, conduit, concrete foundations and support structures for station service equipment. CEI provided foundations, galvanized steel structures for electrical equipment, provided and installed precast cable trench and removed cable/equipment after station service cut-over.
Contract Amont: $2,184,032.00
Contract Amont: $2,184,032.00
US Army Corp of Engineers MOTCO B606 Inland Substation, 2021
Scope included replacement of the Building 606 transformer and switchgear, overhead transmission lines, and security fencing, as well as other minor site improvements and incidental related work integrations.
Contract Amount: $ 2,274,359.00
Contract Amount: $ 2,274,359.00
Nevada National Security Site DAF & Frenchman Flats Substations, 2021
Project included modernization of two substations located at the Nevada National Security Site in Mercury, Nevada. Scope included building one new identical redundant substation and critical upgrades to a second. CEI provided all technical and professional services including labor, testing, material and equipment for the project.
Contract Amount: $4,328,612.38
Contract Amount: $4,328,612.38
Folsom UHA Switchgear Replacement WAPA Switchyard, 2017
Project Description: Remove and replace station service switchgear, UHA, associated protective relay systems, instrumentation transformers and metering. Remove and replace existing concrete foundations and slab for fabricated control building. Structural metalwork. Remove and replace existing 5 kV cables. Provide contract document management system. Furnish drawings and data. Provide turn-key interface with existing switchyard and power plant alarm, protection, control and SCADA circuits. Provide communication interface with power plant Central Valley Automated Control System. Provide as-builts, new cable tray directly below existing UHA switchgear, spare parts and training.
Project included removal and replacement of station service switchgear, UHA, associated protective relay systems, instrumentation transformers and metering, 5kv cables, structural metalwork, and existing concrete foundations and slab for fabricated control building. CEI provided turn-key interface with existing switchyard and power plant alarm, protection, control and SCADA circuits, as well as communications interface with power plant Central Valley Automated Control System.
Contract Amount: $3,546,209.22
Contract Amount: $3,546,209.22
Mustang Substation Bank 1 Replacement, California Polytechnic State University, 2016
Project included replacing the existing Mustang Substation 70kV-12.47kV, 10MVA transformer with a 15MVA transformer and associated transmission equipment, on the California Polytechnic State University campus in San Luis Obispo, California.
Contract Amount: $458,000
Contract Amount: $458,000
Shasta Switchyard, Flanagan and Keswick Substations Upgrades, 2013
Project included removing and disposing of existing switches, conductors, wave traps and insulators assemblies, installation of government-furnished 230-kV disconnect switches, motor group-operated and 230-kV disconnect switches, selector/tandem type, motor group-operated, ACCR Drake conductor, high temperature fittings, and insulators assemblies. CEI provided associated jumpers, hardware, and conduit. We would like to say thanks to Bob Toenjes Ross Mcfate, Gary Johnson, and Don Kiel, It was a pleasure working with you guys.
Contract Amount: $1,500,000.00
Contract Amount: $1,500,000.00
Orchard Substation, Ukiah, 2011
Project included construction of a new 115kv substation. Scope included foundations, 40 MVA 115/12kv transformers, 115kv SF6 breakers, 115kv switches, 115kv transformer, 27,000' of 12kv 1100KCM cable, and installation of one 30'x90' pre-manufactured control building. All major electrical equipment was owner supplied.
Contract Amount: $2,980.000.00
Contract Amount: $2,980.000.00
CEI Substation Portfolio
2025 Tracy 500kv Substation - COTP Shunt Cap Breaker & Switch Replacement Bay T8, WAPA
2025 Olinda Substation - Station Service Upgrades, WAPA
2024 Tracy 500kv Substation - COTP Shunt Cap Breaker & Switch Replacement Bay T10, WAPA
2021 Keswick and Maxwell Substation - Station Service Upgrades, WAPA
2021 Building 606 Electrical Substation Upgrade, MOTCO
2021 Nevada National Security Site DAF & Frenchman Flat Substation
2020 DWR; Unit Substation, San Luis Obispo Operations and Maintenance
2019 4160V to 12kV Conversion, CSU San Jose
2017 Folsom UHA Switchgear Replacement WAPA Switchyard
2017 Electrical Substation Reliability Improvements, CSU San Jose
2016 Mustang Substation Bank 1 Replacement, Cal Poly
2013 Shasta Switchyard, Flanagan, and Keswick Substations Upgrades
2014 Substation Infrastructure Project, City of Gridley
2013 Arden Del Paso Substation
2013 BART Substation Transformer Replacement
2013 Orchard Substation, Ukiah
2013 Canby Substation
2013 COR Moore Substation
2013 SAC 2E/2F Substation
2012 COR Substation
2012 East Redding Substation
2012 Bart Substation South San Francisco
2011 Orchard Substation, Ukiah
2004 Bechtel Nevada Corporation, Nevada Test Site - Modernization of 128kv Substations
2002 City of Redding Switchyard Expansion
2001 Bechtel Nevada Corporation, Nevada Test Site - Modernization of 128kv Substations
2000 Wheelabrator Redding, CA Upgrade Substation
1999 City of Redding East Substation Installation of 115/12kv Transformer bank Number
1998 City of Shasta Lake, CA Knauf Substation
1997 City of Shasta Lake, CA Corporate Yard Substation
1996 City of Redding Texas Springs Substation
1995 Airport Transformer Bank Number 1
1991 US Navy China Lake Weapons Cetner, CA Repair 35kv Substation
2025 Olinda Substation - Station Service Upgrades, WAPA
2024 Tracy 500kv Substation - COTP Shunt Cap Breaker & Switch Replacement Bay T10, WAPA
2021 Keswick and Maxwell Substation - Station Service Upgrades, WAPA
2021 Building 606 Electrical Substation Upgrade, MOTCO
2021 Nevada National Security Site DAF & Frenchman Flat Substation
2020 DWR; Unit Substation, San Luis Obispo Operations and Maintenance
2019 4160V to 12kV Conversion, CSU San Jose
2017 Folsom UHA Switchgear Replacement WAPA Switchyard
2017 Electrical Substation Reliability Improvements, CSU San Jose
2016 Mustang Substation Bank 1 Replacement, Cal Poly
2013 Shasta Switchyard, Flanagan, and Keswick Substations Upgrades
2014 Substation Infrastructure Project, City of Gridley
2013 Arden Del Paso Substation
2013 BART Substation Transformer Replacement
2013 Orchard Substation, Ukiah
2013 Canby Substation
2013 COR Moore Substation
2013 SAC 2E/2F Substation
2012 COR Substation
2012 East Redding Substation
2012 Bart Substation South San Francisco
2011 Orchard Substation, Ukiah
2004 Bechtel Nevada Corporation, Nevada Test Site - Modernization of 128kv Substations
2002 City of Redding Switchyard Expansion
2001 Bechtel Nevada Corporation, Nevada Test Site - Modernization of 128kv Substations
2000 Wheelabrator Redding, CA Upgrade Substation
1999 City of Redding East Substation Installation of 115/12kv Transformer bank Number
1998 City of Shasta Lake, CA Knauf Substation
1997 City of Shasta Lake, CA Corporate Yard Substation
1996 City of Redding Texas Springs Substation
1995 Airport Transformer Bank Number 1
1991 US Navy China Lake Weapons Cetner, CA Repair 35kv Substation