Licensed electrical contractor serving North Texas
Residential electrical service
Koryente installs subpanels — secondary breaker panels fed from the main service — for North Texas homeowners who need organized capacity for a garage, workshop, addition, or major equipment. A subpanel adds breaker space and keeps new circuits separated instead of overloading an already-crowded main panel. Koryente sizes each subpanel to the load it will carry and coordinates permitting for whichever city or county has jurisdiction.
Our service includes
Koryente sizes the subpanel and feeder to your actual planned load, not just the open space in the main panel.
A dedicated subpanel puts breaker space where the work happens, instead of running extension cords from the house.
New rooms, kitchens, and bathrooms often need more circuits than the main panel has room for; a subpanel adds that capacity.
EV chargers, generators, hot tubs, and shop equipment each need a dedicated circuit — a subpanel adds several at once.
Koryente sizes the feeder, installs the grounding electrode required for detached structures, and keeps grounds and neutrals properly isolated.
Subpanel Installation project experience
Explore verified Koryente project experience connected to subpanel installation and its documented electrical scope.
Koryente wired a new upstairs office addition for Manders Maintenance in Plano, Texas, from a 200-amp three-phase subpanel to recessed lighting, data drops, and a mini-split circuit, and replaced the fluorescent lights in the existing offices with LED flat panels.
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Koryente powered a new metal shop building on a residential property in Celeste, Texas, running 210 feet of underground feeders from the house to a new 100-amp panel, then adding UFO high-bay lights, gooseneck lights, receptacles, and grounding.
View projectPlanning guidance
Panel space and panel capacity are different questions. Koryente calculates the demand already on the main panel and service, then sizes the new feeder and subpanel to what the system can actually deliver.
Location changes the project too. A subpanel inside the same building is a more contained job; one feeding a detached garage, shop, or barn adds feeder routing, a disconnect, and its own grounding electrode. Customers often mention how clearly this gets explained before work starts.
What to expect
Load review and sizing
Koryente reviews the main panel's rating and existing demand, then sizes the subpanel and feeder accordingly.
Routing and placement
We plan the feeder route and mounting location, including clearances and any detached-structure disconnect and grounding electrode.
Permitting and installation
In incorporated cities we pull the required electrical permit and schedule inspections; on unincorporated county property we confirm what, if anything, applies before work starts. Either way, we run the feeder and mount the subpanel, keeping grounds and neutrals properly separated from the main bond.
Circuits, labeling, and testing
Breakers and circuits are connected, labeled, and tested before we schedule the final inspection.
Serving North Texas
Growing subdivisions across the service area often need subpanels the original builder never planned for — a converted garage, a home office, or an addition with its own appliance load. Anna's continued residential growth is a good example, where even newer homes can run short on panel space. Permitting depends on whichever city or county has jurisdiction — some require a permit and inspection, and Texas law limits what counties can require outside city limits.
Rural and acreage properties change the routing math. A detached garage, shop, or barn near Westminster can sit well past the main panel, so the feeder route and the grounding electrode required at a detached structure both need planning before conduit or trenching starts.
Common questions
Some jurisdictions let homeowners pull their own electrical permit, but a subpanel means correctly sizing the feeder, installing the right overcurrent protection, and keeping grounds and neutrals properly isolated. Mistakes there create real shock and fire risk, which is why most homeowners have this done by a licensed electrician.
A subpanel in the same building as the main panel usually doesn't need a separate grounding electrode. One feeding a detached garage or shop generally does need its own grounding electrode system. Koryente confirms the requirement against your project's actual layout.
The main panel is the one point where neutral and ground bond together. A subpanel keeps those paths isolated on separate bus bars, so return current travels only on the neutral instead of energizing metal enclosures and conduit that should stay safe to touch.
A subpanel is sized by what the main service can actually deliver, not by how many open breaker slots are available. Koryente calculates the demand already on the main panel before sizing the new subpanel and feeder. A 100-amp service with substantial existing load may only support a modest subpanel, or point toward a service upgrade instead.
The main cost drivers are the distance and routing between the main panel and the new subpanel, the number of new circuits and breaker spaces needed, whether the feeder runs indoors, underground, or overhead to a detached structure, whether a new grounding electrode is required, and any permitting or inspection scheduling involved.
Subpanel Installation reviews
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