Keep your home or business powered through outages with a properly installed generator. Three Or Free Electric serves Hendersonville and surrounding Tennessee communities with reliable generator installation.
Licensed, insured, and review-backed
15+
years experience
100%
Satisfaction Guarantee
Lifetime
workmanship warranty
About Us
At Three Or Free Electric, our licensed electricians handle every aspect of generator installation for homeowners and businesses in Hendersonville, TN. From selecting the right connection point to ensuring safe, code-compliant wiring, we approach each installation with the attention to detail your property deserves.
Service benefits
We manage the electrical work involved in connecting your generator safely and efficiently to your property.
Transfer switch installation for safe generator connection
Whole-home and partial-load generator wiring
Standby and portable generator electrical hookups
Panel integration to support generator load requirements
Code-compliant installation meeting Tennessee electrical standards
Service available across Hendersonville, Gallatin, and Mount Juliet
No more flaky electricians who ghost your calls, hike up the price later, and show up whenever they feel like it. That’s not who we are. In fact, if we break any of our 3 Promises to you, your electrical service is totally FREE:
Testimonials
Recent customer feedback about generator installation services.
I had a great experience with Three or Free Electric. They came out quickly and were able to fix three outlets that had stopped working, plus troubleshoot an ongoing connection issue with my outdoor lights that I hadn’t…
Owner reply
Thank you so much for the kind words, Joe! We're really glad we could get those outlets back up and running and finally…
Joseph Minor
2026-04-21
I cannot speak highly enough about my experience, I will recommend these guys, and I will use them again when needed. had a 50 amp generator plug installed along with needed items in the breaker box. The workers were…
Owner reply
Thank you so much for the kind words, Shane! It was a pleasure taking care of your 50-amp generator plug and interlock…
Shane Williford
2026-03-25
They repaired kitchen ceiling box and installed new light fixture. Prompt and excellent work. Will use again.
Owner reply
Thank you for having us help you with getting your new light fixture installed, Jeff. We look forward to helping you…
Jeff Krueger
2026-03-11
Alexis and his guys are great to work with! Always on time. I will definitely call them again.
Owner reply
Thank you, Chris! We always work hard to show up on time and get the job done right, so it means a lot to hear that. It…
Chris Conger
2026-03-11
Alexis took his time to make sure the work was done right and walked me through how to use the installed plug for the generator. He even printed out instructions so I don't mess it up when he leaves! Alexis went the…
Owner reply
Thank you so much, Jason — it really means a lot! We take a lot of pride in our work and this is exactly the kind of…
Jason Lester
2026-03-10
I can’t see enough good things about this company and its owner Alexis Munoz. During the ice storm in January 2026 a tree knocked the risers off my house. Alexis gave me a very fair price and worked with NES to resolve…
Owner reply
So glad we were able to help with getting your power restored, Tim. Thanks so much for having help you out with it.
Timothy Gibson
2026-02-13
How It Works
We follow a straightforward process to make your generator installation smooth and stress-free from start to finish.
We evaluate your electrical panel, property layout, and power needs to determine the right installation approach for your generator setup.
Our electricians install a properly rated transfer switch that safely isolates your generator from the utility grid, protecting your equipment and utility workers.
We complete all wiring connections to your panel or designated circuits, ensuring everything meets local code requirements and operates correctly.
Before we leave, we test the full installation and walk you through how to operate your generator connection safely and confidently.
Frequently asked
Common questions get answered quickly so the page feels more trustworthy before someone reaches out.
Q1
Yes. A transfer switch is required for safely connecting a generator to your home's electrical system. It prevents back-feeding electricity onto utility lines, which protects both your equipment and utility workers.
Q2
Standby generators are permanently wired to your panel and activate automatically during outages. Portable generators require a manual connection point. Both require proper electrical work to be safe and code-compliant.
Q3
It depends on your panel's capacity and age. Our electricians assess your current panel during the initial visit and will let you know if any upgrades are needed before installation proceeds.
Q4
Most residential generator installations are completed in a single day. More complex setups, such as whole-home standby systems, may require additional time depending on your panel and property configuration.
Q5
Yes. Three Or Free Electric serves Hendersonville, Gallatin, Goodlettsville, Mount Juliet, Millersville, Shackle Island, and surrounding communities in Tennessee.
Q6
Electrical permits are commonly required for generator and transfer switch installations. Our team is familiar with local requirements and can guide you through what is needed for your specific project.
Q7
Absolutely. Many homeowners choose to power only essential circuits like the refrigerator, HVAC, and lights during an outage. We can wire a sub-panel or use a transfer switch configured for selected circuits.
Q8
Three Or Free Electric is a locally rooted electrical company serving Hendersonville and the surrounding region. Contact us at (615) 431-9595 or email contact@3orfreeelectric.com to schedule your installation.
Ready to get your generator properly connected? Reach out to Three Or Free Electric in Hendersonville, TN at (615) 431-9595 or contact@3orfreeelectric.com.
Three Or Free Electric provides licensed electrical services to Hendersonville, TN and surrounding communities — delivering expert panel upgrades, EV charger installations, and reliable electrical work you can count on.
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