When to Upgrade Your Electrical Panel in Las Vegas

Las Vegas homes face electrical demands that most of the country simply doesn't. Summer temperatures regularly exceed 115°F, meaning air conditioning systems run almost continuously from May through September. Add to that the proliferation of home EV chargers, smart appliances, and high-draw entertainment systems, and it's easy to see why older panels — designed for a fraction of today's load — are struggling to keep up.

The typical Las Vegas home built before 1990 was wired with a 100-amp service panel. Today, the National Electrical Code recommends a minimum of 200 amps for most single-family homes, and homes with EV chargers or large HVAC systems often benefit from 400-amp service.

After 95+ years of combined experience serving Las Vegas homeowners, our team has identified the most reliable indicators that a panel is due for replacement or upgrade:

• Breakers that trip repeatedly — An occasional trip is normal. Breakers that trip weekly on the same circuit are telling you the load exceeds the panel's capacity.
• Lights that flicker or dim — Especially when large appliances like the AC or dryer kick on, this signals voltage instability from an overloaded panel.
• A burning smell near the panel — This is a serious warning sign. Shut off the main breaker and call a licensed electrician immediately.
• Your panel is a Federal Pacific or Zinsco brand — Both have documented safety defects. Federal Pacific Stab-Lok breakers have a failure-to-trip rate that has been linked to residential fires nationwide.
• You're adding a major new load — EV charger, hot tub, home addition, or a second HVAC unit. These require a load calculation before installation, and often require a panel upgrade.

A panel upgrade in Las Vegas is a permitted job — meaning your electrician must pull a permit from Clark County or the City of Las Vegas, and the work must be inspected by a licensed inspector before the panel is energized. This protects you as the homeowner and ensures the work meets current NEC code.

The typical process takes one day. Your electrician will coordinate a brief power outage with NV Energy, remove the old panel, install the new one, re-label all circuits, and schedule the inspection. Most homeowners are back on power the same day.

• 100-amp to 200-amp upgrade: typically $1,500–$2,500
• 200-amp to 400-amp upgrade: typically $2,500–$4,500
• Full rewire with panel upgrade: varies by home size
• Permit fees in Clark County: $150–$300 depending on scope

The most expensive panel upgrade is the one you do after a fire. An electrical fire can cause tens of thousands of dollars in damage, void your homeowner's insurance if unpermitted work is discovered, and — most importantly — put your family at risk.

If your home is more than 25 years old and you haven't had an electrical inspection, scheduling one is one of the smartest investments you can make as a Las Vegas homeowner. A1 Electrician offers free panel assessments for homeowners throughout the Las Vegas Valley.