Your McHenry County Licensed Commercial and Residential Electrician

Delaware Electric is a Licensed Electrical Contractor specializing in Installation, Maintenance, and Service for Residential Commercial & Industrial Applications. Servicing the Illinois, McHenry County area including Crystal Lake, Woodstock, McHenry, Huntley, Harvard and Marengo.

Since 1986, Delaware Electric Co. has been serving the McHenry Co., Illinois area and the surrounding communities. Our experts are here to handle all your electrical needs and repairs. We work hard to ensure complete customer satisfaction and we?ll gladly answer any questions you may have about our products and services. We cater to commercial, industrial and residential clients in the area. Allow our talented technicians to help you with: ? Ceiling Fans ? Remodeling ? Lighting Design ? New Outlets ? Service Upgrades ? Ballast Replacement We?re also an authorized Generac generator distributor. Delaware Electric is licensed, bonded and insured. Call us today for more details or to schedule an appointment.




Our services include but are not limited to the following:

Residential Electrical

Switch & Socket Upgrades
Service Panel Upgrades
Electrical Inspections
Circuit Breakers
Recessed Lighting & Ceiling Fans
Outdoor & Landscape Lighting
GFCI Receptacles
Arc Fault Circuit Interrupters (AFCI)
Home Entertainment Wiring
Data Wiring
Surge Suppressors & Lightning Arrestors
Swimming Pool & Hot Tub Wiring
Smoke Detectors & Radon Detectors
New Construction
Generator service and repair
New Generator installation

Commercial Electrical

Equipment Connections
Building Rewiring & Upgrades
Computer Circuits & Cabling
Bucket Truck Service
Electric Sign Repair
Buried Cable Location & Repair
Parking Lot & Security Lighting
Electrical Service Upgrades
Trouble Shooting Electrical Problems
New Branch Circuits
Every Electrical Repair & Installation
New Construction
Generator service and repair
New Generator installation


Visit our Generators page for more information or contact Delaware Electric for more information about why a Backup Generator can be right for you.