Power to Perform

Exceeding the limits of what’s possible

Proudly serving Chicagoland with trusted electrical expertise

For nearly half a century, Connelly Electric has been redefining the possibilities in planning, developing, installing, and maintaining electrical systems. We collaborate with you to craft custom solutions that set the standard for our industry.

Our history Our Team

Our Services

Electrical Construction

Electrical Construction

From healthcare facilities to industrial applications, our comprehensive range of electrical installation services leverages our extensive experience in managing projects of all sizes and complexities.

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Design/Build

Design/Build

Our engineering team will tailor projects to meet the unique needs of your facility. We collaborate with you throughout the entire process, leveraging innovative technologies and cutting-edge solutions.

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Energy Solutions

Energy Solutions

We understand the importance of a sustainable future. That's why we provide access to affordable, clean energy through a variety of state-of-the-art technologies, including LED lighting, EV charging, and solar energy solutions.

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Low-Voltage Services

Low-Voltage Services

Receive expert consultation on integrated solutions, including structured cabling, temperature control, security, audio visual, communication, wireless, and fire alarm systems.

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Virtual Design & Construction

Virtual Design & Construction

Our VDC team transforms project planning and execution, delivering precision-engineered 3D models for seamless on-site construction. Our experts will work with you to anticipate challenges and streamline building installation.

Transform Your Build
Modular & Prefabrication

Modular & Prefabrication

Experience unmatched efficiency with our advanced prefabrication and modular services. By constructing critical electrical assemblies off-site, we cut project timelines, elevate productivity and minimize safety risk.

Boost efficiency

A Connelly Electric Maintenance technician loading a ladder into the service van.

Connecting you with Service & Maintenance

Our team offers rapid support, helping ensure your facilities remain up and running with our turnkey solutions. No matter what challenges head our way, we're committed to building a long-term relationship with you, never shying away from the finer details to achieve success.

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