Commercial Electrical Services

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Commercial Electrical Services in Chicago

Modern businesses rely on safe, efficient, and scalable electrical systems to operate without interruption. Our commercial electrical services in Chicago support offices, retail spaces, restaurants, warehouses, and commercial facilities with dependable electrical solutions designed for performance and compliance.

As experienced commercial electrical contractors, we manage everything from system design and installation to maintenance, upgrades, and emergency response. Our licensed electricians understand the demands of commercial environments and deliver electrical work that minimizes downtime, protects assets, and supports long-term growth.

If you are searching for a commercial electrician near me, our team provides reliable service throughout Chicago and Suburbs.

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Commercial Electrical Services 2

Commercial Electrical Approach That Minimizes Downtime

Electrical issues in commercial settings can disrupt operations, impact safety, and result in costly downtime. Our commercial service process focuses on accuracy, planning, and efficiency to keep your business running smoothly. Our electricians:

  • Assess electrical needs based on load, usage, and future growth
  • Design scalable and energy-efficient systems
  • Coordinate work to minimize operational disruption
  • Follow strict safety and code compliance standards
  • Deliver clear communication and documentation

From small tenant improvements to complex electrical installations, we manage commercial projects with precision and accountability.

Complete Commercial Electrical Services

Our licensed commercial electricians in Chicago provide a comprehensive range of services, including:

  • Electrical design and installation for offices, retail, and trade spaces
  • Power distribution systems
  • Electrical planning and load calculations
  • Service installations from 200A to 4000A (120V–480V)
  • Transformer installation and testing
  • Power quality analysis and optimization
  • Dedicated circuits and structured cabling
  • Data cabling and telephone wiring
  • Energy-efficient electrical systems
  • Emergency standby and backup power systems
  • Electrical troubleshooting and fault diagnosis
  • Renovations, expansions, and system upgrades
  • Value engineering for cost-efficient solutions
  • Complete electrical systems for remodeling and new additions
  • Electrical remodeling and retrofits
  • Electrical maintenance and repairs
  • Preventive maintenance programs
  • Emergency lighting installation and maintenance
  • Interior and exterior commercial lighting systems
  • Lighting design and efficiency upgrades
  • Office lighting and power distribution
  • Lamp replacement for offices and retail spaces
  • Fire alarm systems
  • Electrical site surveys and safety audits
  • Field engineering services
  • Fiber optic cabling
  • Uninterruptible Power Systems (UPS)

Each service is delivered with a focus on safety, performance, and long-term reliability.

Commercial Electrical Installations & Upgrades

Whether opening a new business location or expanding an existing facility, proper electrical infrastructure is critical. Our electricians install and upgrade commercial electrical systems to support modern equipment, technology, and energy demands. We specialize in:

  • New commercial electrical installations
  • Electrical system expansions
  • Panel and service upgrades
  • Lighting retrofits and redesigns

Our work supports operational efficiency and future scalability.

Maintenance & Preventive Electrical Services

Preventive maintenance reduces the risk of unexpected failures and extends the life of electrical systems. Our commercial electrical maintenance services identify potential issues early and help businesses avoid costly disruptions. Maintenance programs include:

  • System inspections
  • Load and power quality checks
  • Emergency lighting testing
  • Safety compliance reviews

Emergency Commercial Electrical Services

Electrical emergencies can halt business operations instantly. Our team provides 24/7 emergency commercial electrical services to restore power, address hazards, and stabilize systems quickly.

Learn more about our 24/7 emergency electrical services.

Supporting Industrial & High-Demand Facilities

Many commercial facilities operate at higher electrical loads. Our electricians support light industrial environments with power distribution, equipment wiring, and system reliability solutions.

For specialized environments, accuracy and safety are essential.

Licensed, Experienced & Code-Compliant

All commercial electrical work is completed by licensed and insured electricians who follow:

  • National Electrical Code (NEC) standards
  • City of Chicago electrical regulations
  • OSHA safety guidelines

We stay current with evolving technologies and compliance requirements to ensure every project meets or exceeds industry standards.

Safety, Standards & Industry Resources

Our work aligns with guidance from trusted authorities, including:

National Fire Protection Association (NFPA)

Electrical Safety Foundation International (ESFI)

U.S. Department of Energy – Energy Efficiency

Helpful Internal Resources

Why Businesses Choose Our Commercial Electricians

Chicago businesses trust us because we offer:

  • Licensed commercial electricians
  • Experience across multiple industries
  • Reliable scheduling and project coordination
  • Clear communication and documentation
  • Energy-efficient, future-ready solutions
  • Long-term service and maintenance support

No commercial project is treated as routine, every system is engineered for safety and performance.

Schedule Commercial Electrical Service in Chicago

When your business needs dependable commercial electrical services in Chicago, trust licensed electricians who understand the demands of commercial environments.

Request Commercial Electrical Service

Frequently Asked Questions

We provide commercial electrical services for offices, retail stores, restaurants, warehouses, medical facilities, multi-unit buildings, and light industrial properties.

Yes. All of our commercial electricians are fully licensed, insured, and trained to meet Chicago and Illinois electrical codes.

Yes. We design and install complete electrical systems for new commercial construction, tenant build-outs, and facility expansions.

Absolutely. We perform service upgrades, panel replacements, and power distribution improvements to support increased electrical demand.

Yes. Preventive maintenance helps identify potential issues early, reduce downtime, and extend the life of commercial electrical systems.

We handle commercial electrical services from 120V to 480V and service installations ranging from 200A up to 4000A.

Yes. We offer 24/7 emergency commercial electrical services to respond to power failures, system malfunctions, and safety hazards.

Yes. We install energy-efficient lighting, power management systems, and electrical upgrades designed to reduce energy consumption.

Yes. We install, test, and maintain emergency lighting and exit systems to ensure compliance and occupant safety.

Yes. We regularly support property managers and facility managers with ongoing electrical maintenance, inspections, and upgrades.

All work follows National Electrical Code (NEC) standards, local Chicago regulations, and applicable safety requirements.

You can schedule service by calling 773-721-1111 or requesting an appointment through our website. We offer flexible scheduling to minimize disruption.

What Our Clients Are Saying

From homes to businesses, our services made a real impact. How we've helped clients transform.

Our Commitment to Excellence

STS Electric Contractor is a premier electrical contractor based in Chicago, Illinois, offering design-build capabilities and a full range of services to residential, commercial, and industrial clients. At STS Electric, we are dedicated to delivering efficient, high-quality, and innovative electrical solutions. Every project, from installation to maintenance, is supported by a comprehensive warranty, ensuring reliability and customer satisfaction.

  • A+ BBB Accredited
  • 100% Satisfaction Guarantee
  • Fast Response Times
  • Fully Licensed, Insured & Bonded
  • 24/7 Emergency Service
  • Free On-Site Estimates
  • Senior & Military Discounts
  • ICC-Certified EV Charger Installer
  • State-of-the-Art Diagnostic Tools & a fully stocked inventory