High Voltage Electrical

Our high voltage electrical services support safe, reliable power transmission for utility-scale and industrial applications. We handle everything from substations to switchyards, ensuring compliance, performance, and long-term durability in every project.



230-500kV Darkstar Substation | Clark Bros Inc

230-500kV Darkstar Substation

The 500kV Darkstar Substation is part of the overall Edwards Sanborn Solar and Energy Storage, Phases 2, 3, & 4 project in Mojave, CA. Phase 2, 3, & 4 consisted of a 650MW Photovoltaic electric power plant & BESS facility along with 3-230kV & 1-500kV substations, and 11 miles of 230kV Transmission Line spread over 2,55...click learn more to see the complete project.


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Clark Bros Inc | Daylight Transmission Line

230kV Daylight Transmission Line

The 230kV Daylight underground Duct Bank and Transmission line were part of the overall Edwards Sanborn Solar and Energy Storage project in Mojave, CA. CBI Power, Inc. scope of services included clear and grub of the site area, approximately 960 linear feet of 230kV Circuit Duct Bank and construction four (4) Duct Ban...click learn more to see the complete project.


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Clark Bros Inc | Nova Power Bank

NOVA Power Bank

Previously a brownfield site, the NOVA Power Bank project in Menifee, California creates 680 megawatts of energy storage with the ability to power as many as 680,000 homes for 4 hours. The Engineering, Procurement and Construction (EPC) project built both battery storage and (3) 34.5-500kV substations which will ultima...click learn more to see the complete project.


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Clark Bros Inc | Hummingbird Substation Transmission Line

Hummingbird Substation Transmission Line

Located in San Jose, California along an existing business park corridor, the Hummingbird Battery Energy Storage System (BESS) project was delivered under a full engineering, procurement, and construction (EPC) scope and included the construction of a 115 kV underground transmission line, a 115 kV project substation to...click learn more to see the complete project.


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