Modern Homes Need Modern Electrical Panels

Let’s Do the Math

Every electrical panel has a maximum capacity measured in amps. Most older homes have 100-amp or 150-amp panels. These capacities made sense when homes ran simpler electrical loads (Like a refrigerator, some lights, and maybe another appliance and a space heater). But modern technology changed the equation dramatically.

Consider what the contemporary homeowner wants to see in their space:

• Level 2 EV charger: requires 40-50 amps
• Heated floors: 10-15 amps per room
• Hot tub: 40-60 amps
• Smart home hub and devices: 5-10 amps
• High-efficiency HVAC: 30-50 amps
• Modern kitchen appliances: 40-60 amps combined
• Home office equipment: 15-20 amps
• Outdoor entertainment systems: 20-30 amps

That’s already 200 amps at a minimum. The math simply doesn't work.

You can install all the fancy technology you want, but without adequate electrical capacity, you'll be dealing with constant breaker trips, underperforming equipment, and safety hazards.

Why Even New Homes Need Evaluation

You might think, "My house is only ten years old, so I'm fine." Not necessarily. Builders install electrical panels based on standard loads and minimum code requirements at construction time. They don't anticipate how you'll upgrade your home five or ten years later.

That 2015 home was built before EV chargers became common residential features. Plus, the builder couldn't predict you'd add heated floors, a hot tub, and extensive smart home systems. The electrical panel might meet code but not your expectations.

Don't assume newer construction means adequate capacity. Verify it before investing thousands in improvements your electrical system can't properly power.

Planning Upgrades the Right Way

Savvy homeowners start with their electrical system when considering installing new technology. Here's the process that prevents problems:

First, hire an electrician to evaluate your current panel and calculate available capacity. Explain all your planned upgrades so they can determine whether your existing system can handle everything, or whether you need an electrical panel replacement.

If it’s determined your panel lacks capacity, you have a few choices. Many times, you can install a subpanel dedicated to specific upgrades. You can even implement load management systems that intelligently distribute available power. Of course, you can also upgrade your electrical panel altogether.

If you do need panel upgrades, then complete this before installing your dream technology. Trying to reverse this sequence (installing technology first and dealing with electrical capacity later) costs more and creates headaches.

BONUS: While upgrading, think beyond current plans. What might you add in five years? More electric vehicles? Solar panels? Plan capacity for future possibilities so you don't face another upgrade anytime soon.

Consult a Certified Electrician Today

If you live in the Chapel Hill or Triangle area and are looking for a local certified electrician, then consider the uniformed pros at Mr. Electric. Our office team is on standby to take your call or message and schedule an appointment or consultation, or to arrange emergency electrical repair for as soon as possible.