Barnhill Industrial Group provides electrical, controls, and automation engineering services for industrial and renewable energy systems. We support projects from early planning through commissioning and optimization, with a focus on reliable operation, practical design, and measurable performance.
Our experience spans a wide range of industrial applications, with specialized expertise in anaerobic digestion and biochar systems where controls, data integrity, and system reliability are critical to success.
Who We Are
Services
See below for the services we offer. Let us be your easy button.
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Electrical and Controls Engineering
Anaerobic Digesters
Biochar Systems
Environmental Services
Design and implementation of industrial electrical and automation systems, including PLCs, HMIs, power distribution, and integration with existing equipment - built for safe, reliable, and efficient operation
Full-service engineering support for anaerobic digester projects, from design and controls to commissioning and optimization of existing facilities, improving efficiency and reliability.
Engineering, controls, and data systems support for biochar production, helping ensure safe operation, consistent performance, and accurate data capture for environmental credit verification
Expert guidance on environmental projects with a focus on remediation system design and equipment selection, helping clients meet regulatory requirements, improve site performance, and achieve sustainable outcomes.
About Me
Randy Barnhill, CEO
Randy Barnhill is a systems‑driven executive and consultant specializing in renewable energy, biogas, and biochar technologies. As CEO of Barnhill Industrial Group, he helps organizations modernize their infrastructure, deploy advanced digestion and pyrolysis systems, and train teams to operate with confidence and efficiency. With more than three decades of hands‑on experience across environmental remediation, terminal operations, biodiesel production, and RNG system development, Randy brings a rare blend of field expertise and strategic leadership. His work focuses on improving system performance, reducing operational risk, and accelerating the adoption of sustainable technologies that strengthen both industry and environment.
