ELECTRICAL PANEL REPLACEMENT & UPGRADES (HONOLULU)
Upgrade your home or business with a safer, more reliable electrical panel installed by our licensed Honolulu electricians. We replace outdated or overloaded panels, add capacity for new appliances, improve breaker safety, and bring older systems up to code. Whether you’re experiencing flickering lights, tripping breakers, or planning a renovation, our team delivers fast, professional, and code-compliant panel upgrades you can trust.
Request Electrical Service
Ready to get started with Grand Hawaii Electric? Use the form to request electrical service or ask a question. A licensed electrician will review your request, assess your needs, and follow up with clear next steps.
We serve both residential and commercial clients, delivering safe, code-compliant electrical solutions with clear communication and professional workmanship.
Your electrical panel is the backbone of your home’s entire electrical system, it distributes power safely, protects your wiring from overloads, and keeps your appliances and devices running smoothly.
If your panel is outdated, overloaded, or no longer code-compliant, upgrading is the safest and most reliable choice.
At Grand Hawaii Electric, we provide clean, professional panel upgrades that improve safety, increase system capacity, and prepare your home for today’s electrical demands, including EV chargers, AC units, new appliances, and remodeling projects.
Common Reasons to Upgrade:
• Lights dimming or flickering when large appliances turn on
• Frequent breaker trips or power interruptions
• Not enough available circuits for new appliances or an EV charger
• Outdated or unsafe panels, including Zinsco or Federal Pacific
• Home insurance or inspection requirements calling for an upgrade
• Renovations or additions that increase electrical demand
• Panel overheating, buzzing, or showing signs of corrosion
What’s Included in a Panel Upgrade:
• Load calculation to confirm the correct panel size for your home
• Full panel replacement or subpanel installation, depending on your electrical needs
• Breaker upgrades, labeling, and organization for a cleaner, safer system
• New dedicated circuits added as needed (EV chargers, AC units, major appliances, etc.)
• Code-compliant installation with clean, professional finish work
• Signed contractor statement for permit filing (available upon request)
Why Choose Grand Hawaii Electric?
• Licensed, highly experienced panel upgrade specialists
• Transparent flat-rate pricing, no surprises, no upsells
• Precision, clean installs done right the first time
• Safety-focused workmanship that protects your home and electrical system
• Local Honolulu expertise, we understand island homes, codes, and electrical demands
Need more power or replacing an old panel?
Send us a message or email with a quick description of what you’re experiencing flickering lights, tripping breakers, adding new appliances, or planning a remodel.
We’ll guide you on the next steps and schedule your upgrade.
Serving Honolulu and surrounding areas
Electrical Panel Upgrade Services
Main Panel Replacement
• 100A main panel replacement
• 125A main panel replacement
• 150A main panel replacement
• 200A main panel replacement
• Upgrade from old fuse box to a modern breaker panel
• Replacement of unsafe or outdated panels (Zinsco, Federal Pacific/FPE, etc.)
• Service entrance upgrades (overhead or underground)
• Full meter-to-panel replacement when required
Subpanel Installation or Upgrade
• Sub-panel installation for additions, garages, ADUs, workshops, and more
• Replacement of outdated, unsafe, or overloaded subpanels
• Sub-panel relocation (indoor/outdoor)
• Grounding and bonding corrections for proper safety and code compliance
Breaker & Circuit Additions
• Installation of new circuit breakers (15A, 20A, 30A, 50A, 60A)
• Dedicated circuits for appliances, AC units, EV chargers, and more
• GFCI and AFCI breaker installations for code-compliant protection
• Tandem breaker installations (only where permitted by panel specifications)
• Replacement of damaged, buzzing, or failing breakers
Safety & Code Compliance Upgrades
• Complete grounding and bonding corrections
• Ground rod installation (if missing or insufficient)
• Cold-water pipe bonding
• Neutral/ground separation for subpanels
• Whole-home surge protection device (SPD) installation
• Circuit labeling and organization
• Arc-fault (AFCI) breaker upgrades for bedrooms and living areas
Related Home Electrical Upgrades
• Panel upgrades to support EV chargers and new appliances
• Load calculations for remodels, additions, or expanded electrical needs
• Coordination with HECO or your utility provider for service upgrades
• Permit assistance, including contractor statement forms
Panel Clean-Up & Maintenance
• Re-tightening and properly torquing all lugs
• Eliminating double taps (multiple wires under a single breaker)
• Correcting mislabeled or unclear circuit directories
• Replacing corroded breakers, lugs, or terminals for safer operation