Electrical Service Upgrades in Greenwood Village, Colorado
This page provides general educational information. Every home is different. The information here reflects what was typical when homes were originally built, not necessarily what is in your home today. Nothing on this page should be taken as a diagnosis or recommendation for your specific property. The only way to know the condition of your home's electrical system is a professional inspection. Call (303) 775-3221 or request a free estimate.
Greenwood Village has homes from the 1970s and homes from the 2000s. The electrical questions are different, but they both come down to the same thing: can your panel handle what you're running?
Older homes may have panels that are approaching the end of their service life. Newer homes may have panels that were fine when built but are getting tight as appliances and equipment get added. Either way, the only way to know where you stand is an evaluation and a look at what's inside the panel.
What That Means for Your Home
Newer homes and capacity
Homes built in the 1990s and 2000s typically have 200-amp panels from reputable manufacturers. The panel brand usually isn't a concern. The question is whether the service has room for what's been added since the home was built. Things like induction cooktops, heat pumps, EV chargers, and pool equipment all draw heavy current. Whether any of these are an issue depends on what else is already on the panel.
An evaluation tells you exactly what your current service is handling and whether there's room for what you're planning to add.
Older homes and aging panels
Homes from the 1970s and early 1980s, like those in Sundance Hills, may have 100-amp or 150-amp service and panels that are 40 to 50 years old. Some may have Challenger models. These are worth evaluating both for the panel's age and for whether the service size still works for how the home is being used today.
How Greenwood Village Was Built
Greenwood Village was a rural farming community until the mid-20th century. Subdivisions like Sundance Hills went up in the 1970s and early 1980s with 100-amp and 150-amp service. By the 1990s and 2000s, the city had shifted toward larger custom homes on bigger lots. The Preserve, a 540-acre development on the city's south side, features homes on three-quarter to two-acre lots, many over 6,000 square feet. Much of the city's power infrastructure has been moved underground over the past three decades, which affects how service upgrades are done.
Electrical Code and Permits
Greenwood Village is a home-rule city with its own building department. The city adopted the 2023 National Electrical Code (NEC). All of Greenwood Village is served by Xcel Energy.
What's changed since your home was built
| NEC Edition | Key Changes | What It Means |
|---|---|---|
| NEC 2023 | Whole-home surge protection required. Expanded arc-fault circuit interrupter (AFCI)/GFCI (ground-fault circuit interrupter). Emergency disconnect required at exterior. | New panels must include surge protection, arc-fault and ground-fault breakers where required, and a way for first responders to cut power from outside. |
| NEC 2020 | GFCI expanded to kitchens and laundry. Outdoor emergency disconnect added. | More wet-area protection. Firefighters can kill power without entering the home. |
| NEC 2017 | AFCI expanded to nearly all living spaces. | Arc-fault protection moved beyond bedrooms to cover most of the house. |
| NEC 2014 | AFCI required in kitchens, laundry, and bedrooms. | Major expansion of fire-prevention technology in branch circuits. |
| Pre-2014 | Any code edition before 2014. | No AFCI, no GFCI, no surge protection, no emergency disconnect. |
Permits and inspections
All electrical work requires a Greenwood Village permit and final inspection. The city has its own building department, separate from Arapahoe County. We handle all of it.
Common Electrical Issues in Greenwood Village
Adding equipment to an existing panel
Whether it's an EV charger, a heat pump, a kitchen remodel, or pool equipment, the first step is understanding what the panel is already handling. A Level 2 EV charger draws 40 to 60 amps sustained. A heat pump replacing a gas furnace is another significant load. Whether these fit depends on what else is on the panel. An evaluation answers that question before any work starts.
Subpanels for detached structures
Detached garages, workshops, and outbuildings all need dedicated circuits. A subpanel fed from the main panel handles the load for these structures. If the main panel is already close to capacity, the main service may need attention first.
Cherry Hills Village
Cherry Hills Village is a neighboring municipality with similar housing profiles and electrical demands. Permits go through the Town of Cherry Hills Village, not Greenwood Village. We serve both communities and handle permits for each.
Frequently Asked Questions
Do Greenwood Village homes need panel replacements?
It depends on the home. Newer homes usually have panels from reputable manufacturers, and the question is more about capacity than the brand. Older homes from the 1970s-80s may have aging panels worth evaluating for both the brand and the service size. An evaluation and a panel evaluation tell you where you stand.
How much does a service upgrade cost in Greenwood Village?
It depends on the scope. Adding a subpanel is a different project than upgrading the main service. We provide free on-site estimates with exact pricing after we evaluate your setup. There's no charge for the estimate.
Do I need a permit for electrical work in Greenwood Village?
Yes. Greenwood Village is in Arapahoe County. Electrical permits go through the City of Greenwood Village. We handle the permit, the Xcel coordination, and the inspection.
Can my panel handle a pool, hot tub, and EV charger?
It depends on what else the panel is already supporting. Each of those draws significant current, and the total depends on the rest of the house. An evaluation tells you whether the existing service has room or whether something needs to change.
Do you serve Cherry Hills Village?
Yes. Cherry Hills Village is a neighboring municipality with similar housing profiles. Permits go through the Town of Cherry Hills Village. We handle permits for both communities.
How long does a service upgrade take in Greenwood Village?
Plan for a full day without power for a standard upgrade. The full timeline from first visit through final inspection is typically two to four weeks when you factor in permits and Xcel scheduling.
Get It Checked
Whether you're adding an EV charger, planning a remodel, or just want to know where your service stands, an evaluation is the starting point.
We'll come to your house, evaluate the panel and service, and tell you what you've got and what it can handle. There's no charge for the estimate. Learn more about what a service change involves.
Sources
- City of Greenwood Village. Building Permitting and Inspection Division. 2023 NEC adoption.
- City of Greenwood Village. Adopted Codes and Manuals.
- City of Greenwood Village. Utility Undergrounding Program. Over 10 miles of buried power lines since 1992.
- City of Greenwood Village. Greenwood Village History 1850-2000 and 2000-2015.
- Xcel Energy. Colorado Communities Served. Service territory confirmation.
- South Metro Fire Rescue. About Us. Emergency services coverage.
This page provides general educational information. Every home is different. Nothing on this page should be taken as a diagnosis or recommendation for your specific property. Dunlap Electric Company, LLC · Greenwood Village, Colorado · Electrical Contractor License #8223. Jesse Dunlap, Colorado Licensed Master Electrician, in the trade since 1998.
Need a Service Evaluation in Greenwood Village?
We'll come out, evaluate your panel and service, and tell you where you stand. No charge for the estimate.