Residential And Commercial
Residential And Commercial | Electric Panel Upgrades | Electrical | Greeneville
From historic downtown storefronts to cozy homes nestled in the foothills, Greeneville relies on steady, safe power every day. If flickering lights, tripped breakers, or limited capacity are slowing you down, HEP’s licensed electricians are ready to modernize your service with electric panel upgrades that meet today’s demanding electrical loads and tomorrow’s smart-home technologies.
Our team evaluates your current system, explains code requirements in plain language, and installs high-quality panels sized for growth—whether you’re adding high-efficiency HVAC in a bungalow or three-phase machinery in a production facility. We handle permitting, utility coordination, and post-install inspections, so all you notice is dependable power and room to expand.
HEP is local, responsive, and backed by decades of residential and commercial experience across East Tennessee. With transparent pricing, 24/7 emergency support, and workmanship warranties, you can trust us to keep your lights on, your equipment protected, and your investment secure.
FAQs
How do I know if my Greeneville home or business needs an electric panel upgrade?
Common warning signs include breakers that trip frequently, fuses instead of breakers, lights that flicker or dim when large appliances start, a warm or buzzing panel, limited space for new circuits, or an electrical service rated at 60–100 amps when today’s equipment often needs 150–400 amps. If you are adding HVAC equipment, EV chargers, commercial machinery, or expanding your building, an electrician should evaluate your panel.
What are the main benefits of upgrading an outdated electrical panel?
A modern panel improves safety by reducing fire and shock risks, increases available amperage so your system can handle high-demand appliances, eliminates nuisance breaker trips, improves overall energy distribution efficiency, and may even lower insurance premiums. It also boosts property value and ensures compliance with the National Electrical Code (NEC) and Greeneville/Greene County inspection requirements.
How long does a residential or commercial panel replacement usually take?
A straightforward residential upgrade from 100 amps to 200 amps takes 4–8 hours, plus utility coordination to disconnect and reconnect power. Commercial projects vary: small retail spaces may take a day, while large facilities with three-phase service can span 2–3 days, especially if multiple sub-panels or transformer upgrades are required. Final inspections by the Greeneville Building Department typically occur the same or next business day.
Do I need a permit, and who handles inspections for a panel upgrade in Greeneville?
Yes. Both Greeneville and Greene County require an electrical permit for service-entrance or panel changes. As a licensed electrical contractor, we obtain the permit, schedule utility disconnects, and arrange the final inspection. We provide all load calculations, panel schedules, and compliance documentation so you don’t have to navigate the process yourself.
What size or amperage panel should I install?
The correct size depends on a load calculation that factors in square footage, HVAC tonnage, kitchen and laundry appliances, lighting, receptacles, and any planned future loads such as EV chargers or solar backfeed. Most modern homes need at least 200 amps, while larger residences or shops may benefit from 300–400 amps. Commercial customers often require 208/120-volt three-phase panels from 225 amps up to 800 amps. Our electricians will review your usage patterns and code requirements to recommend a panel that meets today’s demand and leaves headroom for growth.
How much does an electrical panel upgrade cost in Greeneville, and what affects the price?
Residential upgrades typically range from $1,800–$3,500 for a 200 amp panel, including permit and inspection fees. Costs rise if the service mast, meter base, or grounding system also need replacement. Commercial pricing varies widely ($2,500–$15,000+) depending on amperage, single- vs three-phase service, disconnect switches, surge protection, and downtime coordination. Factors include panel brand, breaker count, conduit or cable lengths, accessibility, and whether utility service conductors must be upsized.