Dedicated to Building a Better Tomorrow
As beacons of experience and dedication in the construction industry for over 60 years, Clark Bros Inc. and CBI Power, Inc. are full-service EPC contractors specializing in heavy civil and high-voltage electrical infrastructure across the western United States.
Founded on core values that drive us to serve clients and partners with integrity, passion, and purpose, we bring together a dynamic civil and electrical engineering team committed to delivering turnkey solutions for complex projects in the water, power, and renewables sectors.
We go beyond the role of a traditional contractor by offering complete Engineering, Procurement, and Construction services by guiding projects from concept through execution. Our deep high-voltage expertise and self-perform capabilities allow us to control schedule, quality, and cost, offering developers and owners a trusted partner who can deliver from start to finish.
What sets us apart is our culture of collaboration and creative problem-solving. We foster independent thinking and cross-functional teamwork to develop bold solutions, overcome project challenges, and empower our teams to grow personally and professionally.
Today’s developers and driven entrepreneurs need more than a builder, they need a partner who can lead. At Clark Bros Inc. and CBI Power, Inc., we stand behind our work, our people, and our clients’ visions, every step of the way.


Our projects
Clark Bros, Inc. and CBI Power, Inc. have an extensive history of providing quality services, on time and within budget.

FIFTH STANDARD SOLAR & ENERGY STORAGE PROJECT
The Fifth Standard Solar Facility is a 150-megawatt (MW) solar photovoltaic (PV) facility with an onsite 20Mw solar PV generation facility and a 20Mw energy storage system. Power would tie into an existing transmission substation owned by PG&E (Gates Substation) is located approximately 0.4 mile southwest of the Projec...click learn more to see the complete project.
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BELLEFIELD 1 SOLAR AND ENERGY STORAGE FARM
The Bellefield Solar and Energy Storage Farm projected located Kern County, CA aimed at establishing a photovoltaic solar facility and energy storage system the with potential to generate up to 500 megawatts (MW) of alternating current (AC) utility-scale solar power, complemented by an energy storage capacity of up to...click learn more to see the complete project.
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WESTSIDE MAIN CANAL BRIDGE
Built to provide permanent vehicle access to the Westside Battery Storage Facility, the project required construction of private access roads on both the north and south side of the proposed bridge to connect the facility to county owned Liebert Rd. The project entailed construction of a 23.5-ft wide...click learn more to see the complete project.
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Services
At Clark Bros., Inc. and CBI Power, Inc. you can experience a variety of high-quality construction services provided by skilled professionals.
Heavy Civil Construction:
Offering a comprehensive range of services encompassing excavation, grading, soil stabilization, roadway construction, and foundation construction, our team possesses both the equipment and expertise necessary to successfully complete your project.
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Water:
Water treatment facilities play a crucial role in pollution control across the United States. With a proven track record, Clark Bros, Inc. has been instrumental in the construction of facilities responsible for treating the staggering 4 billion gallons of wastewater produced daily in California.
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Renewable Energy - Wind, Solar, and Hydro:
With our expertise spanning the entire renewables market, from large-scale wind farms to solar fields and hydroelectric facilities, we offer a comprehensive suite of services.
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Battery Energy Storage Systems (BESS):
BESS technology plays a pivotal role in bolstering the power grid by storing energy generated from renewable sources such as solar, wind, and water, and subsequently releasing it to the grid during peak demand periods. Clark Bros Inc. boasts the capability to construct utility-scale energy storage complexes tailored to your specific needs.
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High Voltage Electrical
Our team offers an array of High Voltage Electrical contracting services including civil work, structural work, cable installation, earthing and grounding.
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Latest News

Clark Bros Inc Recognized with Two ENR West Regional Best Projects Awards
We are proud to announce that Clark Bros Inc has been honored with two prestigious ENR (Engineering News-Record) West Regional Best Projects Awards, recognizing excellence in construction and project execution across the Western United States....click view article to see the complete article.
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Milestones at Gonzaga Ridge: Turbines Rise and Substation Takes Shape
At Gonzaga Ridge, turbine erection and substation development advance as crews complete foundations and begin O&M building construction....click view article to see the complete article.
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Building the Future: Wind Turbine Tower Erection in Full Swing
Wind turbine installation progresses with tower deliveries, foundation pours, and crane operations driving renewable energy development....click view article to see the complete article.
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