Getting panel upgrade quotes from multiple electricians is essential—but knowing what to compare will save you thousands and protect your home's safety. A vague estimate that sounds cheap often hides surprise costs mid-project, while a thorough quote tells you exactly what you're paying for. Here's how to evaluate quotes like a pro and avoid the common pitfalls.
Understand What You're Actually Upgrading
Panel upgrades range widely depending on your needs. Are you upgrading from 100 amps to 200 amps? Installing a sub-panel in a finished basement? Adding capacity for an EV charger or heat pump? Each scenario has different costs and complexity.
A basic 100-to-200 amp main panel upgrade typically runs $3,000–$5,000 for the materials and labor combined, though this varies significantly by region and local permitting requirements. A sub-panel install might cost $1,500–$3,500. Before requesting quotes, have a clear picture of what your electrician needs to accomplish—that forces them to give you accurate estimates rather than ballpark figures.
Line-by-Line Quote Breakdown
When comparing quotes, don't just look at the total. Request an itemized breakdown that includes:
- Panel and breaker cost (the actual equipment)
- Labor hours (and the hourly rate)
- Permit and inspection fees
- Disconnect/reconnect charges if the utility company handles it
- Wire and conduit upgrades (if your existing wiring needs replacement)
- Breaker installation (if you need new breakers for new circuits)
- Cleanup and restoration (drywall patching, painting, etc.)
If a quote lumps everything into a single line item, ask for details. A contractor unwilling to break this down usually hasn't thought through the job carefully or is hiding something.
Permits and Inspections Are Non-Negotiable
Some contractors quote low by skipping permits—this is a red flag. Unpermitted work voids your homeowner's insurance, creates liability if something fails, and causes headaches when you sell. A legitimate quote always includes permit costs (typically $150–$400 depending on your locality) and inspection fees ($100–$300).
Ask which authority has jurisdiction: your city, county, or both? Some regions require a separate inspection for the utility disconnect. Knowing this upfront prevents surprise delays or additional charges.
Timeline and Access Considerations
Good quotes specify how long the work takes. A main panel upgrade typically takes one to two days, but if your electrician needs to replace service entrance wire (the line from the meter to the house), add another day. If they're upgrading existing circuits or running new conduit through walls, add even more time.
Ask whether the utility company schedules the disconnect, or if your electrician handles it. This can add a week or more to your timeline if the utility is backed up. Getting this detail in the quote prevents frustration later.
Check Insurance, Licensing, and References
Before comparing prices, verify that each contractor carries liability insurance (minimum $1 million) and has a current state electrical license. Ask for references from recent panel upgrades—not just general electrical work. A contractor comfortable upgrading panels should have at least three verifiable jobs from the past two years.
Call those references and ask: Did the final bill match the quote? Were there surprises? Was cleanup thorough? This conversation often reveals more than the quote itself.
Red Flags in Quotes
- Price is 30%+ lower than other quotes (usually means incomplete scope or rushed work)
- No mention of permits or inspection
- Vague descriptions of materials or labor
- Hourly rates without an estimated total
- No timeline or completion date specified
- Unwillingness to provide license number or references
A reliable quote costs the contractor time to prepare—they may charge $50–$150 for an in-home assessment. This is normal and filters out price shoppers from serious projects.
Using Mercoly to Compare
Comparing quotes individually is time-consuming. Mercoly lets you request quotes from multiple trusted panel upgrade contractors in your area at once, see side-by-side breakdowns, and avoid the back-and-forth emails.
Frequently Asked Questions
Q: How do I know if I actually need a panel upgrade vs. adding a sub-panel? If you're adding new circuits for major appliances or rooms, a sub-panel is often cheaper and sufficient; a full upgrade is necessary when your main panel is maxed out or you need more capacity than a sub-panel can handle (typically over 125 amps of new load).
Q: Will my power be completely shut off during the upgrade? Yes, during the actual panel replacement and utility work—usually 2–4 hours for a main panel upgrade—but your electrician should schedule this with the utility during a time that works for you.
Q: What's the difference between quotes for aluminum vs. copper service entrance wire? Copper is more durable and preferred by most code officials in wet climates; aluminum is cheaper but corrodes faster—ask your local inspector which is required or recommended, then factor the cost difference into your comparison.
Start gathering quotes today and use this checklist to compare them fairly.