Key takeaways
- Typical cost in Honolulu: $1,700–$3,900 (per installed panel); national range $1,300–$3,000.
- Biggest local factors: high humidity, long, hot cooling season and flooding.
- How long it takes: Most panel upgrades take about 4–8 hours of labor, plus utility scheduling.
- Permits: A permit is required, typically $50–$300; the electrician usually pulls it.
- Best timing: Upgrade before summer, when AC loads are highest.
- Before you hire: get at least three written, itemized quotes from licensed, insured Hawaii contractors.
How much does electrical panel upgrade cost in Honolulu, HI?
An electrical panel upgrade typically costs $1,300–$3,000, with an average around $2,150. Amperage, meter and service changes, and subpanels drive the price. Hawaii prices run 30% above the U.S. average, so a typical Honolulu job lands around $1,700–$3,900. Local labor rates, permit fees and your home's specifics move the final number.
| Item | Typical cost | Notes |
|---|---|---|
| 100-amp panel installed | $800–$1,500 | |
| 150-amp panel installed | $1,300–$1,600 | |
| 200-amp panel / 100→200 amp upgrade | $1,300–$3,000 | |
| 400-amp service | $2,000–$4,000 | |
| Meter box | $200–$800 | Must match the new service |
| Subpanel | $400–$1,750 | |
| Permit | $50–$300 | Electrician usually pulls it |
As a large city, Honolulu has plenty of contractors competing for work, which helps on price, but busy seasons can mean longer waits. Book early after major storms.
How we calculate costs
National ranges come from published cost surveys (cited below). Local estimates apply an approximate state cost index. Read our methodology.
Electrical Panel Upgrade cost questions for Honolulu, HI
- What is the cost of 100-amp panel installed in Honolulu, HI? The typical cost of 100-amp panel installed in Honolulu, HI is $1,000–$2,000, adjusted for Hawaii prices (national $800–$1,500).
- What is the cost of 150-amp panel installed in Honolulu, HI? The typical cost of 150-amp panel installed in Honolulu, HI is $1,700–$2,100, adjusted for Hawaii prices (national $1,300–$1,600).
- What is the cost of 200-amp panel / 100→200 amp upgrade in Honolulu, HI? The typical cost of 200-amp panel / 100→200 amp upgrade in Honolulu, HI is $1,700–$3,900, adjusted for Hawaii prices (national $1,300–$3,000).
- What is the cost of 400-amp service in Honolulu, HI? The typical cost of 400-amp service in Honolulu, HI is $2,600–$5,200, adjusted for Hawaii prices (national $2,000–$4,000).
- What is the cost of meter box in Honolulu, HI? The typical cost of meter box in Honolulu, HI is $260–$1,000, adjusted for Hawaii prices (national $200–$800). Must match the new service.
- What is the cost of subpanel in Honolulu, HI? The typical cost of subpanel in Honolulu, HI is $520–$2,300, adjusted for Hawaii prices (national $400–$1,750).
- What is the cost of permit in Honolulu, HI? The typical cost of permit in Honolulu, HI is $70–$390, adjusted for Hawaii prices (national $50–$300). Electrician usually pulls it.
- What is the cost of move the panel in Honolulu, HI? The typical cost of move the panel in Honolulu, HI is $1,000–$3,900, adjusted for Hawaii prices (national $800–$3,000).
- What is the cost of main breaker replacement in Honolulu, HI? The typical cost of main breaker replacement in Honolulu, HI is $260–$390, adjusted for Hawaii prices (national $200–$300). $500–$2,000 if the bus bar is damaged.
- What is the cost of AFCI/GFCI breakers in Honolulu, HI? The typical cost of AFCI/GFCI breakers in Honolulu, HI is $50–$80 each, adjusted for Hawaii prices (national $35–$60 each). Often required by code.
What affects electrical panel upgrade in Honolulu
Honolulu has hot, humid summers and mild winters. Upgrade before summer, when AC loads are highest.
Signs you need a panel upgrade
- Breakers trip often
- Lights flicker or dim when appliances run
- You rely on power strips or can't run appliances together
- The panel buzzes, feels hot or smells burnt
- Rust or visible damage
- A Federal Pacific or Zinsco panel, or plans for an EV charger or heat pump
Common questions about electrical panel upgrade in Honolulu
How much does an electrical panel upgrade cost in Honolulu, HI?
Most panel upgrades cost about $1,700–$3,900 in Honolulu, HI. A 100-to-200-amp upgrade typically runs $1,300–$3,000 nationally.
Do I need a 200 amp panel?
Most modern homes with central air, electric appliances or an EV charger are planned around 200 amps. A load calculation tells you for sure.
Is a Federal Pacific or Zinsco panel dangerous?
Both are widely flagged as outdated, and many electricians recommend replacing them.
How much does a subpanel cost?
A subpanel typically costs $400–$1,750 installed and can add circuits for a garage, addition or EV charger.
Timeline, permits and DIY in Honolulu
How long it takes
Most panel upgrades take about 4–8 hours of labor, plus utility scheduling.
Permits
A permit is required, typically $50–$300; the electrician usually pulls it. Check with the Honolulu building department for local rules.
DIY or hire a pro?
Not a DIY job: a licensed electrician must do the work and coordinate with the utility.
Questions to ask Honolulu contractors
Ask every bidder the same questions so you can compare quotes apples to apples.
- Did you do a load calculation for my home?
- Does the quote include the meter, permit and utility coordination?
- Which breakers will be AFCI or GFCI to meet code?
- Will the power be off, and for how long?
Maintenance that prevents costly repairs
- Have the panel inspected if breakers trip often
- Never ignore buzzing or burning smells
- Label circuits clearly
How to hire for electrical panel upgrade in Honolulu
- Use a licensed, insured electrician.
- Ask for a load calculation to size the new service.
- Confirm the permit, inspection and utility coordination are included.
- Get the warranty for parts and labor in writing.
Electrical Panel Upgrade in Honolulu: FAQs
How much does an electrical panel upgrade cost in Honolulu, HI?
Nationally, most upgrades cost $1,300–$3,000. Local permit fees and utility requirements change the final price.
Do I need a permit for a panel upgrade in Honolulu?
Yes. A licensed electrician typically pulls the permit and coordinates with the utility.
Will I need a panel upgrade to add a heat pump in Honolulu?
Possibly. Ask for a load calculation; many older homes need 200-amp service for heat pumps and EV chargers.
How much does electrical panel upgrade cost in Honolulu compared to the national average?
With Hawaii's regional cost index of 1.30, expect roughly $1,700–$3,900 in Honolulu, versus $1,300–$3,000 nationally.
How long does electrical panel upgrade take in Honolulu?
Most panel upgrades take about 4–8 hours of labor, plus utility scheduling. Permit and inspection scheduling in Honolulu can add a few days.
Do I need a permit for electrical panel upgrade in Honolulu?
A permit is required, typically $50–$300; the electrician usually pulls it. Confirm with the Honolulu or county building department.
Which Honolulu ZIP codes does this guide cover?
This guide applies to Honolulu ZIP codes 96801, 96802, 96803, 96804, 96805, 96806, 96807, 96808, 96809, 96810, 96811, 96812, 96813, 96814, 96815, 96816, 96817, 96818, 96819, 96820, 96821, 96822, 96823, 96824, 96825 and more, plus the surrounding area.
Electrical Panel Upgrade near Honolulu
6 mi away · pop. 13,408Hālawa, HI
6 mi away · pop. 14,014Hickam Field, HI
7 mi away · pop. 6,920‘Aiea, HI
7 mi away · pop. 9,338Maunawili, HI
7 mi away · pop. 2,040Kaneohe, HI
7 mi away · pop. 34,597Iroquois Point, HI
8 mi away · pop. 3,374Waimalu, HI
9 mi away · pop. 13,730He‘eia, HI
9 mi away · pop. 4,963
Other home services in Honolulu
Sources: This Old House — Cost to upgrade an electrical panel · Angi — Cost to upgrade an electrical panel. Ranges are rounded estimates; see our editorial policy.
Local risk factors reflect general Hawaii climate patterns; check FEMA's National Risk Index for county-level ratings. Local estimates apply an approximate regional cost index to national ranges.