| Quick Answer If breakers trip often, lights flicker when the AC or a large appliance starts, or you rely on power strips throughout the house, your electrical panel upgrade may be overdue. Most older New Port Richey homes were built with 60 to 100 amp panels, while a modern household with central AC, an EV charger, or a generator typically needs 150 to 200 amps or more. A licensed electrician can evaluate your panel and confirm the right size before you add any major new load. |
Why Panel Size Is the Question Homeowners Skip
Most homeowners think about their electrical panel only after something goes wrong, a tripped breaker, a flickering light, or an electrician mentioning it during an unrelated visit. But panel capacity is really a sizing question, and getting the size right matters just as much as fixing an obvious problem. An electrical panel upgrade is not a one size fits all project. A panel that was correct for a 1980s New Port Richey home with window units and a handful of outlets is rarely correct for that same home today, now carrying central air conditioning, kitchen appliances, home electronics, and increasingly EV chargers and whole home generators.
Understanding how amperage requirements actually break down by home profile helps you ask the right questions before an electrician ever steps on site.
Panel Amperage Guide by Home Profile
The chart below outlines general amperage ranges for common home profiles in the New Port Richey area. Every home is different, but this gives you a starting point for the conversation.
Older Homes Without AC or EV Load: 60 to 100 Amps
Homes built decades ago in Pasco County were often wired with 60 or 100 amp panels, sized for a household with far fewer appliances and no central air conditioning. A panel in this range is now considered undersized for almost any modern household, even a modest one.
Standard Modern Homes: 150 to 200 Amps
A typical New Port Richey home today, with central AC, a kitchen full of appliances, and normal home electronics, generally needs a 150 to 200 amp panel to run comfortably without nuisance breaker trips.
Homes Adding an EV Charger: 150 to 200 Amps (Verified)
An EV charger alone does not always require a full panel replacement, but it does require verification. A licensed electrician needs to confirm your existing panel has enough spare capacity before adding a dedicated circuit for Level 2 charging.
Homes With EV Charging, a Generator, and a Pool: 200 to 400 Amps
When multiple major loads stack up, an EV charger, a whole home generator transfer switch, and a pool pump or spa, a single 200 amp panel can reach its limit. Some of these homes are better served by a 320 or 400 amp service, sometimes split across two panels.
Signs Your Current Panel Is Not Keeping Up
Panel problems rarely announce themselves clearly. They usually show up as a pattern of small frustrations first.
| Sign | What It Usually Means |
| Frequent breaker trips | Panel is at or near its capacity for your household load |
| Flickering or dimming lights | Large appliances or the AC compressor are pulling more than the circuit comfortably supports |
| Warm outlet covers or a burning smell | Possible overheating inside the panel; have it checked right away |
| Heavy reliance on power strips | Not enough dedicated circuits for how the home is actually used today |
| A fuse box or panel over 25 to 30 years old | Many older panel types are outdated and were never rated for modern loads |
What Actually Determines the Right Panel Size
Panel sizing is not a guess, and it is not simply based on square footage. A proper evaluation looks at several factors together.
- Your home’s current electrical load, including HVAC, appliances, and electronics
- Any planned additions such as an EV charger, generator, pool equipment, or a home addition
- The age and condition of your existing wiring and panel
- Local code requirements and permit standards for Pasco County
This is also where an air quality testing or HVAC evaluation sometimes overlaps with electrical planning, since a new HVAC system, added insulation, or a home addition can shift what your panel needs to support all at once.
How a Panel Upgrade Actually Works
Once sizing is confirmed, the upgrade itself follows a consistent process.
- An electrician evaluates your current panel, amperage rating, and household usage
- The existing panel is safely disconnected
- A new panel, sized correctly for your home’s real demand, is installed
- Every circuit is reconnected and tested to confirm proper operation
- Permits and inspections are coordinated directly by the licensed electrician
Panel Sizing and Florida Storm Season
Panel capacity becomes especially important heading into storm season. A generator installation requires a correctly sized panel and a properly integrated transfer switch to operate safely. Whole home surge protection is also commonly added during a panel upgrade, since a single major power surge during a storm can damage every connected device in the home at once.
Why Panel Sizing Is Not a DIY Decision
Panel work involves the main point where power enters your home, and getting the amperage wrong in either direction creates real problems. An undersized panel continues to trip and strain under load. An improperly installed or oversized panel without matching wiring and permits can create serious safety and insurance issues. A licensed, insured electrician tests and verifies the entire system, which is the only way to confirm your new panel is genuinely matched to your home.
| Schedule a Panel Evaluation in New Port Richey If your home is showing warning signs of an undersized panel, or you are planning a generator, EV charger, or renovation, HVAC Pro provides licensed electrical services throughout New Port Richey and the surrounding Pasco, Hernando, and Citrus County communities. Call (813) 605-9807 or request your free estimate today. We will evaluate your panel and give you a clear, upfront recommendation before any work begins. |
Frequently Asked Questions
How do I know what amperage my current panel is?
Most panels have the amperage rating printed on the main breaker at the top of the panel, usually a number like 100, 150, or 200. If it is not visible or you are unsure, a licensed electrician can confirm it during an evaluation.
Is a 100 amp panel too small for a modern home?
For many modern households, yes. A 100 amp panel can work for a smaller home with limited appliances, but it is often insufficient once central AC, an EV charger, or a generator is added to the picture.
Do I need a full panel upgrade to add an EV charger?
Not always. Some panels have enough spare capacity for a dedicated EV circuit. Others need a full upgrade first. A licensed electrician needs to check your specific panel before you purchase charging equipment.
Can I add a generator without upgrading my panel?
It depends on your current panel’s capacity and condition. A whole home generator requires a properly sized panel and transfer switch working together, so an evaluation should always come first.
Who handles permits for a panel upgrade in Pasco County?
A licensed electrician coordinates all permits and inspections directly as part of the project. This is not something a homeowner should handle independently.
About HVAC Pro
HVAC Pro is a licensed HVAC and electrical contractor serving New Port Richey, Spring Hill, Land O’Lakes, and the surrounding Pasco, Hernando, and Citrus County communities. Our NATE certified technicians and licensed electricians handle AC installation and repair, air duct cleaning and installation, air quality testing, insulation services, and electrical work, with 24/7 emergency service and flexible financing available.
