Panel Upgrades
Outdated panels can't keep up with modern homes and businesses. We upgrade your electrical panel for the safety and capacity you need — clean, organized, and up to code.
Licensed residential and commercial electrical services serving Commack and surrounding Long Island communities.
From a flickering switch to a full commercial buildout, every job gets the same standard of safety, care, and craftsmanship.
Outdated panels can't keep up with modern homes and businesses. We upgrade your electrical panel for the safety and capacity you need — clean, organized, and up to code.
Fast, reliable fixes for outlets, switches, breakers, and wiring issues — done safely and correctly the first time.
Flickering lights, tripped breakers, dead outlets — we diagnose the root cause and explain exactly what's going on.
Interior and exterior lighting design and installation that transforms how your space looks and feels.
Clean, modern can lighting that adds brightness without cluttering your ceiling lines.
Low-voltage outdoor lighting for pathways, gardens, and facades — beautiful and safe after dark.
Level 2 home and commercial EV charging stations, professionally wired and installed for daily reliability.
Purpose-built circuits for appliances, home offices, workshops, and high-draw equipment.
Standby generator hookups and transfer switch installation so you're never left in the dark.
Retail, office, and industrial electrical work built to keep your business running without interruption.
Rewiring for remodels and additions, coordinated cleanly with your contractor and timeline.
Complete electrical systems designed and installed from the ground up for new builds.
Bring older or non-compliant wiring up to current code — for inspections, sales, and peace of mind.
Electrical work touches almost everything in your home or business. We treat it that way — with the discipline, communication, and respect it deserves.
Get Your Free EstimateEvery job follows strict safety protocols and current electrical code — no shortcuts, no exceptions.
You'll always know what's happening, what it costs, and why — explained in plain language before we start.
Clean wiring, tidy panels, and finished work that holds up — because "good enough" isn't in our vocabulary.
We show up when we say we will and finish what we start. Constant power starts with constant reliability.
Drop cloths, careful work, and a clean site when we leave — your home or business is treated with care.
Professional workmanship built for the long run, backed by a licensed and insured local electrician.
We're not chasing one-time jobs — we're building the electrician relationship you'll call for decades.
Constant Power Electric was built on a simple idea: the person who answers the phone should be the same person who shows up, does the work, and stands behind it.
As a locally owned, family-run business based in Commack, Mark works hands-on with every client — walking each job site personally, explaining the work in plain terms, and holding every installation to the same standard he'd want in his own home.
That philosophy is simple: power should be constant, communication should be honest, and every wire should be run like someone's safety depends on it — because it does.
"We don't just fix electrical problems. We build the kind of trust that keeps customers calling us for the next twenty years."
From first call to final walkthrough, every step is built to keep you informed and confident.
Call or request an estimate online — we respond quickly.
We find a time that works for your home or business.
We assess the job on-site and walk you through the plan and pricing.
Clean, professional work performed to code, start to finish.
We review everything together to make sure you're fully satisfied.
A look at recent panel upgrades, lighting installs, and commercial electrical work across Long Island.
Constant Power Electric is based in Commack and serves homeowners and businesses throughout the surrounding Long Island communities.
...and surrounding Long Island communities. Don't see your town? Call us — there's a good chance we cover it.
Answers to the questions we hear most from homeowners and business owners.
Tell us a bit about the job and we'll follow up to schedule your free, no-obligation estimate.
Prefer to talk now? Call (613) 316-9874
Whether you need a repair, upgrade, or complete installation, Constant Power Electric is ready to help.