Electrical Services
GENERATOR INSTALLATION
Standby and portable generator installation with transfer switches and interlock systems. Keep your home or business powered when outages hit North Texas.
Licensed & Insured ~ Upfront Flat-Rate Pricing ~ 3-Hour Arrival Window ~ 5-Star Service Guarantee
Generator Installation
Texas storms don't give warnings. When the grid goes down — whether for hours or days — a properly installed generator keeps your family safe, your food cold, your medical equipment running, and your home protected. Moran Electric installs standby generators, portable generator connections, transfer switches, and interlock kits for homeowners and businesses throughout McKinney and Collin County.
A generator is only as good as its installation. An improperly wired generator can backfeed electricity into utility lines, endangering line workers and your neighbors. Every generator we install is done to code, with the right transfer switch or interlock device to isolate your home from the grid safely. We handle the permit, the installation, and the walkthrough so you know exactly how to use it when you need it most.
Generator services we provide
Standby generator installation (Generac, Kohler, Briggs & Stratton)
Portable generator inlet & interlock kit installation
Manual transfer switch installation
Automatic transfer switch (ATS) installation
Generator electrical panel connections
Load calculations to right-size your generator
Standby vs portable generators
Standby generators are permanently installed, run on natural gas or propane, and turn on automatically within seconds of a power outage. Ideal for whole-home backup.
Portable generators are more affordable and paired with a proper transfer switch or interlock system to safely power selected circuits. Never connect a portable generator without proper safety equipment — it's dangerous and illegal.
What does generator installation cost in McKinney, TX?
Interlock kit installation (portable generator hookup):$300 – $800+
Automatic transfer switch installation:$800 – $2,500+
Standby generator installation (electrical only):$4000 - $6,000+
Generator unit cost is separate from installation. We provide free estimates on all generator projects. Prices vary by panel accessibility, generator size, and permit requirements.
So How Does This Work?
FAQ
What size generator do I need for my McKinney home?
It depends on what you want to power. A 7,500W portable generator covers essentials (fridge, lights, outlets, fans). A whole-home standby typically starts at 16–22kW for most Collin County homes. We'll do a load calculation for your specific needs.
Can you install a generator inlet on my existing panel?
In most cases, yes. We'll evaluate your panel's available space and condition. If a panel upgrade is needed first, we'll let you know upfront — with honest pricing on both.
What's the difference between an interlock kit and a transfer switch?
An interlock kit is a code-compliant mechanical device that prevents your main breaker and generator breaker from being on simultaneously. A transfer switch is a dedicated subpanel that isolates specific circuits. Both are safe when installed correctly — we'll recommend the right option for your setup and budget.
Do I need a permit for generator installation in McKinney?
Yes. Any generator connection to your home's electrical system requires a permit in Texas. Moran Electric pulls the permit and coordinates the inspection — you don't have to do anything.
Areas we serve
McKinney ~ Frisco ~ Allen ~ Plano ~ Prosper ~ Celina ~ Wylie ~ Murphy ~ Lucas ~ Fairview ~ Anna ~ Melissa ~ Princeton ~ Richardson ~ And More
Ready to schedule your Generator installation in McKinney, TX?

