Medium & High-Voltage Expertise
We deliver reliable, high-performance medium and high-voltage solutions for facilities requiring power beyond standard building systems.

Medium & High-Voltage Expertise Overview
Deliver medium and high-voltage power solutions with ease.
At Cummings Electrical, we provide medium and high-voltage solutions for facilities that require power beyond standard building systems, including industrial plants, utilities, and renewable energy farms. Our expertise ensures safe, efficient, and reliable power distribution for complex and large-scale operations. From designing and installing substations and transformers to maintaining high-voltage systems, we deliver robust solutions that support your infrastructure’s energy demands.
We outfit facilities requiring above-standard power with comprehensive medium and high-voltage solutions.

Ground-Up Construction
Install custom electrical solutions for your non-standard voltage requirements.
For ground-up construction builds, we provide medium and high-voltage solutions tailored to large industrial complexes, utility interconnections, and high-capacity data centers. Our expertise includes designing and installing robust electrical systems—such as substations, transformers, and high-voltage connections—to meet demanding power requirements.

Retrofitting & Upgrades
Upgrade your power distribution to enhance your facility's efficiency.
Our medium and high-voltage renovations and retrofitting include HV cable terminations, switchgear installation, and substation construction, all designed to meet utility-grade standards. These upgrades improve power distribution, enhance system reliability, and ensure compliance with industry regulations. With a focus on safety and performance, our expertise supports critical operations and provides long-term, reliable power to facilities such as industrial plants, data centers, and utility connections.

Modular Solutions
We empower high-demand operations with medium & high-voltage solutions.
Cummings Electrical excels in delivering robust medium and high-voltage power solutions for facilities that require energy beyond standard building systems. Our expertise encompasses the design, installation, and maintenance of complex electrical infrastructures—including substations, transformers, and high-voltage connections—ensuring safe, efficient, and reliable power distribution for large-scale operations.
Whether it's a ground-up construction of an industrial plant, a utility interconnection, or a high-capacity data center, our team provides customized solutions tailored to meet demanding power requirements. By integrating advanced engineering practices with pre-tested components, we minimize on-site construction time and ensure seamless integration with existing systems. Trust Cummings Electrical to empower your operations with scalable, energy-efficient, and future-ready power solutions.
Explore the impact of our medium and high-voltage expertise on projects like yours.

River Bend Solar - 80 MW
Executed EPC of a 161kV-34.5kV substation with prefabricated control room and TVA switchyard connection—energizing 640 acres.

SMU Substation & Distribution
Built a 138kV-34.5kV substation with dual feeders, switchgear building, and over 900 terminations—upgrading SMU’s electrical backbone.

Old Settler Cotton Plains Substation
Built a 345kV-34.5kV substation and tied into the ERCOT grid—supporting GE turbines and clean energy delivery.

Knauf Insulation MV Switchgear and Transformer Installation
Adeptly navigated medium voltage transformer and switchgear installations, overcoming infrastructure challenges and scope adjustments to ensure reliable power distribution for critical manufacturing processes.
Kohler Co. Brownwood Medium Voltage Electrical Installations
On the plains of Brownwood, power lines weave through the plant, steady and true, as skilled hands replace feeders and reroute lifeblood cables to keep the gears of industry humming strong.
River Bend Solar - 80 MW

Project Snapshot
SMU Substation & Distribution

Project Snapshot
Old Settler Cotton Plains Substation

Project Snapshot
Knauf Insulation MV Switchgear and Transformer Installation

Project Snapshot
Kohler Co. Brownwood Medium Voltage Electrical Installations
Project Snapshot
Browse our comprehensive capabilities in medium and high voltage.
Since 2002, Cummings Electrical has leveraged decades of industry expertise to deliver electrical solutions and services. Over the years, we've honed our knowledge of medium and high voltage to help you problem-solve the unique challenges of your industry with confidence.
Power Distribution Design & Installation
Create reliable medium and high-voltage electrical systems that reduce downtime and support streamlined communication.
Compliance & Safety
Prioritize the safety, legal adherence, and long-term operational reliability of your medium and high-voltage environments.
Emergency & Maintenance Services
Support your facility's medium and high-voltage environments with 24/7 emergency and maintenance services.
Switchgear Installation & Maintenance
Install and maintain high-voltage switchgear to protect electrical equipment from overloads and faults.
Modular Solutions
Deploy pre-built modular solutions for fast, efficient installation.
Utility Interconnections
Manage connections to utility grids, ensuring smooth integration and compliance with local utility regulations.
Power Distribution Design & Installation

Reliable Power Systems
For medium and high-voltage environments, Cummings Electrical helps you design, install, and maintain electrical infrastructure to ensure continuous power.
Backup Power Solutions
To maintain uninterrupted operations during power outages or emergency situations, our technicians use generators, UPS systems, and automatic transfer switches (ATS) to support your operations.
Discuss Your Project
Questions about our expertise in medium and high-voltage environments? Schedule a consultation with our team to learn more.
Compliance & Safety

Inspection & Maintenance Services
Our ongoing maintenance services support medium and high-voltage environments before disaster strikes. We conduct routine inspections and preventative maintenance to identify potential hazards and keep systems running at peak performance.
Discuss Your Project
Questions about our expertise in medium and high-voltage environments? Schedule a consultation with our team to learn more.
Emergency & Maintenance Services

Rapid Response & Power Restoration
Facing an emergency at your facility? Our rapid response team acts quickly to address critical failures in your electrical systems, restore power, and minimize downtime.
Preventative Maintenance & Inspections
Our ongoing maintenance services support your facilities before disaster strikes. We begin by conducting thermal imaging, power quality analysis, and routine inspections to identify and resolve issues before failure occurs.
Capacity Expansion & System Scaling
As your facility scales, your electrical systems should scale with it. Invest in medium and high-voltage solutions that grow with you and accommodate your facility's evolving needs.
Discuss Your Project
Questions about our medium and high-voltage expertise? Schedule a consultation with our team to learn more.
Modular Solutions

Medium Voltage Power Skids
Pre-integrated NEMA 3R MV Gear with MV-to-480V transformers make for a fast, simplified site installation.
Custom Medium-Voltage Distribution Systems
Integrated MV distribution enclosures/skids are tailored for modular builds and rapid deployment.
Substation Control Houses
Design, manufacturer, and test utility switchyard server rack control houses.
Pre-Fabrication Welding
Factory-welded steel assemblies for data, power, and infrastructure systems.
Medium or High Voltage E-House
Integrated electrical house containing medium or high-voltage gear for substation power distribution.
Discuss Your Project
Questions about our medium and high-voltage expertise? Schedule a consultation with our team to learn more.
Discuss Your Project
Explore Careers
At Cummings Electrical, we've established ourselves as a leader in the electrical contracting industry by embracing innovation, prioritizing our clients' needs, and maintaining a forward-thinking approach to daily operations.

Our commitment to exceeding clients' expectations drives our vision for the future.
In alignment with our core values, we believe in embracing innovation and continuous improvement. As a team, we iterate on our technical achievements and adapt to industry changes. We operate with a precision-driven methodology and focus on sustaining long-term partnerships with clients through responsive and adaptable service delivery fueled with reliability and excellence.

Our passion areas fuel our innovation and excellence.
As we've built our business, we've developed a philosophy rooted in the understanding that each industry has unique needs when operating in live environments and existing facilities. By focusing on passion areas, we ensure that resources are not only trained in the technical execution of a project but also equipped to understand and navigate the operational complexities of working in live environments.
Meet the professionals who are passionate about voltage solutions and well-equipped to help your projects thrive as an extension of your team.
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Shane is a seasoned electrical engineering leader with over 25 years of experience, primarily at Cummings Electrical. His expertise, developed through a decade in consulting engineering, has enabled him to excel in high-stakes projects across various sectors.
- Leadership in Engineering: Oversees Design-Build, Design-Assist, and Power System Studies, emphasizing innovation and cost-effectiveness
- Collaboration Focus: Strong commitment to working with stakeholders to align with project visions and ensure optimal outcomes
- Strategic Leadership: Demonstrates how effective leadership in electrical engineering can blend innovation, efficiency, and collaboration

- Leads with confidence earned from decades of field experience and hands-on execution
- Specializes in large-scale infrastructure and high-voltage power systems
- Earns client trust by delivering consistent results while executing critical upgrades

- Keeps projects on track through proactive planning and clear communication
- Electrical expert with 20+ years of experience across complex, challenging environments
- Believes that every successful job begins and ends with the safety of every team member

- Skilled at translating between technical and operational teams to maintain alignment
- Prioritizes safety and clear processes to keep projects on track
- Seasoned electrical professional with over 15 years of experience
Working at Cummings is more than just a job.
As a company, we're focused on completing every project we take on with integrity, innovation, client-centric service, and collaboration. We invest in the talent and growth of our teams, including mentorship and career advancement opportunities to build a skilled and dedicated workforce ready to tackle the challenges of tomorrow.
Check out our greatest success stories.

New Facility
River Bend Solar - 80 MW
Florence

New Facility
SMU Substation & Distribution
Dallas

Existing Facility
Knauf Insulation MV Switchgear and Transformer Installation
McGregor

New Facility
Old Settler Cotton Plains Substation
Floydada
River Bend Solar - 80 MW

Project Snapshot
SMU Substation & Distribution

Project Snapshot
Knauf Insulation MV Switchgear and Transformer Installation

Project Snapshot
Old Settler Cotton Plains Substation

Project Snapshot
View our complete project showcase.
Ready to learn more? Discover the latest insights in medium and high voltage.

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Why Seasonal Electrical Maintenance is Critical for Facility Reliability

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How Predictive Maintenance Technologies Prevent Electrical Failures
