Generator Installation in Denver, CO
Whether you run a portable during storms or want a permanent standby unit, we install the safe, code-legal way — no suicide cords, no backfeed risk to line crews.
- Interlock installs from $850 · standby hookups quoted on site
- Half a day for interlocks, 1–2 days for standby
- Licensed & insured · Permits pulled · 1-year workmanship warranty
Get your free estimate
Tell us what you need. A licensed electrician replies within one business hour.
- Licensed & insured · We reply within 1 business hour
Who we are
Denver's trusted home
generator installation experts
Front Range weather takes power down — spring blizzards, summer wind events and grid work all leave Denver homes dark. We make sure yours reconnects safely.
Cedarwell installs listed interlock kits and exterior inlets, manual and automatic transfer switches, and the electrical side of standby generator sets. Everything is permitted, inspected and live-tested with your generator before we leave.
What every job includes
- A licensed, background-checked electrician on site
- Written flat-rate pricing before work starts
- Permits pulled and inspections attended
- Photos of the finished work and a labeled panel
- One-year workmanship warranty in writing
12+
Years
2,100+
Jobs
4.9★
What's included
Generator Installation services we handle in Denver
Pick the piece you need, or let us scope the whole job — every option below is permitted, warrantied and quoted flat.
Generator Interlock Kit
Panel-specific listed kit that makes running the whole panel from a portable both safe and legal.
Exterior Power Inlet Box
Weather-rated inlet placed where the generator can sit safely away from windows.
Manual Transfer Switch
Dedicated switch for critical circuits when no interlock kit exists for your panel.
Automatic Transfer Switch
Hands-off switching for permanently installed standby generators.
Standby Generator Electrical
Panel, feeder, ATS and bonding for Generac-class standby units.
Backfeed & Wiring Corrections
Fixing unsafe existing generator hookups and failed inspections.
Not sure which generator installation option you need?
Tell us what you're trying to power and we'll price the right scope — free, over the phone, in about ten minutes.
Why hire a pro
Benefits of hiring a licensed professional for Generator Installation
It isn't only about the finished result — it's about permits, safety, insurance and what happens when you sell the house.
01
Line-worker safety
An improper hookup can energize the utility drop and kill a lineman. An interlock or transfer switch makes that physically impossible.
02
Legal and permitted
Generator connections require a permit in Denver. Unpermitted backfeeds are a code violation and an insurance problem.
03
The right sizing
We match backfeed breaker, inlet, cable and generator output so nothing overheats when the furnace and fridge both start.
04
Tested before you need it
We run the house on your generator at handover so the first outage isn't the first test.
Who needs this
Do you need Generator Installation?
If any of these sound like your home or building, it's worth a free assessment. We'll tell you honestly what's urgent, what can wait and what doesn't need doing at all.
You already own a portable generator
An interlock is the cheapest safe way to actually power the house with it.
You work from home
A few hours offline costs more than the install for most remote workers.
You have a sump pump or well
An outage during snowmelt or storms can mean a flooded basement.
Someone at home depends on power
Medical equipment, refrigerated medication or infant care make backup non-negotiable.
Why it matters
What you get with Generator Installation
Backfeed protection
The interlock physically prevents the main and generator breakers from being on at once.
Power what matters
Furnace, fridge, sump pump, well pump and lighting circuits from your existing panel.
Far cheaper than a full standby
Same safety outcome for a fraction of an automatic standby install.
Scope of work
Included in every Generator Installation job
- Panel-specific listed interlock kit or transfer switch
- Backfeed breaker sized to your generator
- Exterior weather-rated inlet box and cabling
- Circuit prioritization walkthrough
- Labeling and written start-up procedure
- Permit, inspection and live test with your generator
Our process
How your Electrical Panel Upgrades project runs
Five steps from your first call to a passed inspection. You always know what happens next.
01
Tell us what's going on
Send the form or call. We ask the right questions up front so the truck arrives with the right parts.
02
On-site assessment
A licensed electrician inspects the panel, load and access, then walks you through the options.
03
Flat-rate quote
You get an itemized price in writing — permit, materials and labor included. No surprises mid-job.
04
Clean, permitted install
Drop cloths down, shoes covered, tidy conduit, labeled panel, debris hauled away.
05
Inspection & walkthrough
We meet the inspector, hand over documentation and show you how everything works.
Why choose us
Reasons Denver homeowners keep our number
Denver homes are our specialty
Bungalows in Wash Park, split-levels in Aurora, new builds in Highlands Ranch — we know the panels, permits and inspectors in each jurisdiction.
Master electrician on every job
Your project is designed and reviewed by a master electrician, not handed to an unsupervised helper.
We show up in the window
Two-hour arrival windows with text updates. If we're running late, you hear it from us first.
No upsell theater
We tell you what's urgent, what can wait a year, and what doesn't need doing at all.
Clean job sites
Floor protection, dust control and a full cleanup. You shouldn't be able to tell we were there.
1-year workmanship warranty
On top of manufacturer coverage, our labor is warrantied for one full years.
Recent work
Jobs finished across Denver metro this season
Every job photographed, permitted and left cleaner than we found it.
Tesla Wall Connector — Golden
60-amp circuit, 38 ft of exterior conduit along a stone façade. Installed and inspected in one day.
200A panel upgrade — Wash Park
1948 bungalow on a 100-amp fuse panel. Full service upgrade plus a hardwired 48-amp charger.
Dual commercial stations — Aurora
Two networked Level 2 pedestals for a 30-employee office, with metering and ADA-compliant stall layout.
Testimonials
Rated 4.9 out of 5 by 187 Denver customers
Book Generator Installation in Denver
Flat-rate pricing, permits pulled, one-year workmanship warranty. Same-day appointments across the metro.
Generator Installation FAQs
How much does generator installation cost in Denver, CO?
Will an interlock work with my panel?
What size generator do I need?
Is a generator interlock legal in Colorado?
Service area
Proudly Serving Denver and the Surrounding Metro
Aurora · Parker · Golden · Arvada · Brighton · boulder