Upgrading Your Electrical Panel for an EV Charger: What to Know

Author
Blog author image
Gina Napsin
Date
July 07, 2025
Theme
Electrical
Views
849
Share
Blog post image
As electric vehicles (EVs) grow in popularity, more homeowners are looking to install EV charging stations at home. However, one key factor often overlooked is whether your electrical panel can handle the extra load. Many homes, especially older ones, lack the capacity for modern EV chargers. That’s why EV charger panel upgrade services are essential for a safe and reliable installation. Below, we’ll guide you through everything you need to know about upgrading your electrical panel for an EV charger.

Why an Electrical Panel Upgrade May Be Necessary for EV Charging

Most modern EV chargers, especially Level 2 chargers, require a dedicated circuit and substantial power draw. If your current panel is outdated or already nearing capacity, adding an EV charger may overload your system. Older homes, often equipped with 100-amp panels, may not have the electrical infrastructure to handle an additional 40- to 60-amp circuit necessary for EV charging.
Upgrading to a 200-amp electrical panel or higher ensures your home can meet current and future electrical demands, supporting not only EV chargers but also other high-power appliances or home upgrades like solar panels and HVAC systems.

Signs Your Electrical Panel Needs an Upgrade

Identifying whether your panel requires an upgrade involves assessing its age, capacity, and performance. Look for these warning signs:
  • Frequent circuit breaker trips when multiple devices are in use.
  • Flickering or dimming lights during appliance operation.
  • Limited breaker space, with no available slots for additional circuits.
  • A panel older than 25 years, especially if it’s still using fuses.
  • Visible rust, corrosion, or a burning smell near the panel.
If any of these apply, it’s time to call licensed electricians for EV charger installation. Home Alliance provides expert assessments to determine if a panel upgrade is necessary before installing your EV charger.

Determining the Right Panel Size for Your EV Charger

The required panel size depends on the type of EV charger you plan to install:
  • Level 1 Chargers (120V): Minimal impact on the electrical system; typically plugs into a standard outlet.
  • Level 2 Chargers (240V): Requires a dedicated circuit of 40–60 amps, which is a significant addition to most panels.
  • Future-Proofing: With advancing EV technology and the potential for multiple EVs, upgrading to a 200-amp or 400-amp panel ensures your home can support increased power needs.
A professional load calculation by an electrician will determine if your current panel can handle the EV charger or if an upgrade is necessary.

The Process of Upgrading Your Electrical Panel for EV Charging

Upgrading an electrical panel is a multi-step process that involves careful planning and professional installation:
  1. Assessment: An electrician will inspect your current panel and perform a load calculation to evaluate capacity.
  2. Permitting: Electrical panel upgrades require local building permits and inspections for compliance with safety codes.
  3. Utility Coordination: In some cases, your utility provider must approve the upgrade and may need to enhance the incoming service line.
  4. Installation: The electrician replaces the old panel with a higher-capacity model, ensuring all wiring meets code requirements.
  5. Inspection and Activation: After installation, local authorities inspect the panel to ensure safe operation before activation.
With Home Alliance, you get hassle-free service. Our team manages the entire process, ensuring your upgrade meets all safety standards and code requirements.

Costs Associated with Upgrading Your Electrical Panel for EV Charging

The cost of an electrical panel upgrade varies based on factors such as panel size, home wiring conditions, labor rates, and local permit fees. On average:
  • 100-amp to 200-amp upgrade: $1,500 to $3,000
  • Panel relocation or extensive rewiring: Additional $1,000–$2,500
  • 400-amp panel installation: $4,000 and up
While these costs may seem significant, they are a worthwhile investment in your home’s electrical safety and long-term functionality, especially with the growing reliance on electric-powered devices.

Benefits of Upgrading Your Electrical Panel for an EV Charger

Investing in a panel upgrade offers multiple advantages beyond supporting your EV charger:
  • Enhanced Electrical Safety: Reduces the risk of overloaded circuits and fire hazards.
  • Increased Home Value: Homes equipped for EV charging are highly attractive in today’s real estate market.
  • Capacity for Future Upgrades: Supports solar panels, battery storage systems, or additional high-power appliances.
  • Reliable Power Supply: Ensures uninterrupted operation of all home systems without compromise.
With this upgrade, you can fully enjoy the benefits of installing an EV charging station at home while preparing your space for the future of energy.

Choosing the Right Electrician for Your Panel Upgrade

Electrical panel upgrades and EV charger installations should only be handled by licensed, experienced electricians. When selecting a contractor:
  • Verify their license and insurance.
  • Check reviews and referrals for past EV charger installations.
  • Request a detailed quote with a breakdown of labor, materials, and permits.
  • Ensure they understand local codes and utility company requirements.
Working with Home Alliance, a trusted electrical service company, ensures your panel upgrade is done safely, efficiently, and up to code. Our team of skilled electricians brings years of experience and a commitment to meeting all safety standards and local regulations.

Preparing for the Future of Home Energy

Upgrading your electrical panel is not just about meeting today’s EV charging needs - it’s about preparing your home for the evolving landscape of energy consumption. With the rise of electric vehicles, smart home systems, and renewable energy, a robust electrical system is a foundational investment for modern living.
By proactively upgrading your panel, you position your home to adapt seamlessly to technological advancements and growing energy demands without costly or disruptive future renovations. Contact us today to schedule your panel upgrade and ensure your electrical system is prepared for tomorrow’s energy demands.

FAQs

  • Do I always need to upgrade my electrical panel for an EV charger?
Not always - if your panel has enough capacity and available breaker slots, you may not need an upgrade. However, most older homes with 100-amp panels often require one to safely handle a Level 2 EV charger.
  • How long does it take to upgrade an electrical panel for EV charging?
The process typically takes one to two days, including inspection and utility coordination. More complex upgrades may extend the timeline slightly.
  • Can I install a Level 2 EV charger without a panel upgrade?
Only if your existing panel can support the additional 40–60 amps required by a Level 2 charger. A licensed electrician can perform a load calculation to confirm this.
  • Is a permit required to upgrade my electrical panel?
Yes, most local building codes require a permit and inspection for panel upgrades. Your electrician will usually handle this as part of the service.
  • Will upgrading my panel increase my home’s value?
Yes, homes with upgraded panels and EV charging readiness are more attractive to buyers. It’s seen as a modern feature that supports future energy needs.