Electrical Panel Upgrade · Myrtle Beach, SC

Electrical Panel Upgrade in Myrtle Beach, SC: 2026 Costs & Local FAQs

Updated 2026-10-18 · Reviewed by the HomeServiceBud Editorial Team

Quick answer

An electrical panel upgrade in Myrtle Beach typically costs about $1,300–$3,000 nationally, with 100-to-200-amp upgrades in the same range. Adjusted for South Carolina prices, plan on roughly $1,100–$2,600. In Myrtle Beach, the biggest local factors are high humidity, long, hot cooling season and flooding.

Key takeaways

  • Typical cost in Myrtle Beach: $1,100–$2,600 (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 South Carolina contractors.

How much does electrical panel upgrade cost in Myrtle Beach, SC?

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. South Carolina prices run 13% below the U.S. average, so a typical Myrtle Beach job lands around $1,100–$2,600. Local labor rates, permit fees and your home's specifics move the final number.

ItemTypical costNotes
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–$800Must match the new service
Subpanel$400–$1,750
Permit$50–$300Electrician usually pulls it

In a smaller community like Myrtle Beach, some specialists travel in from nearby cities and may add a trip charge. Ask whether travel is included, and consider bundling projects.

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 Myrtle Beach, SC

  • What is the cost of 100-amp panel installed in Myrtle Beach, SC? The typical cost of 100-amp panel installed in Myrtle Beach, SC is $700–$1,300, adjusted for South Carolina prices (national $800–$1,500).
  • What is the cost of 150-amp panel installed in Myrtle Beach, SC? The typical cost of 150-amp panel installed in Myrtle Beach, SC is $1,100–$1,400, adjusted for South Carolina prices (national $1,300–$1,600).
  • What is the cost of 200-amp panel / 100→200 amp upgrade in Myrtle Beach, SC? The typical cost of 200-amp panel / 100→200 amp upgrade in Myrtle Beach, SC is $1,100–$2,600, adjusted for South Carolina prices (national $1,300–$3,000).
  • What is the cost of 400-amp service in Myrtle Beach, SC? The typical cost of 400-amp service in Myrtle Beach, SC is $1,700–$3,500, adjusted for South Carolina prices (national $2,000–$4,000).
  • What is the cost of meter box in Myrtle Beach, SC? The typical cost of meter box in Myrtle Beach, SC is $170–$700, adjusted for South Carolina prices (national $200–$800). Must match the new service.
  • What is the cost of subpanel in Myrtle Beach, SC? The typical cost of subpanel in Myrtle Beach, SC is $350–$1,500, adjusted for South Carolina prices (national $400–$1,750).
  • What is the cost of permit in Myrtle Beach, SC? The typical cost of permit in Myrtle Beach, SC is $40–$260, adjusted for South Carolina prices (national $50–$300). Electrician usually pulls it.
  • What is the cost of move the panel in Myrtle Beach, SC? The typical cost of move the panel in Myrtle Beach, SC is $700–$2,600, adjusted for South Carolina prices (national $800–$3,000).
  • What is the cost of main breaker replacement in Myrtle Beach, SC? The typical cost of main breaker replacement in Myrtle Beach, SC is $170–$260, adjusted for South Carolina prices (national $200–$300). $500–$2,000 if the bus bar is damaged.
  • What is the cost of AFCI/GFCI breakers in Myrtle Beach, SC? The typical cost of AFCI/GFCI breakers in Myrtle Beach, SC is $30–$50 each, adjusted for South Carolina prices (national $35–$60 each). Often required by code.

What affects electrical panel upgrade in Myrtle Beach

High humidityHumid air around Myrtle Beach can corrode panels; rust is a common upgrade sign.
Long, hot cooling seasonLong cooling seasons around Myrtle Beach push AC and heat pump loads, a common reason older homes move to 200-amp service.
FloodingPanels that have been underwater in Myrtle Beach floods must be replaced, not dried out.

Myrtle Beach 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 Myrtle Beach

How much does an electrical panel upgrade cost in Myrtle Beach, SC?

Most panel upgrades cost about $1,100–$2,600 in Myrtle Beach, SC. 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 Myrtle Beach

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 Myrtle Beach 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 Myrtle Beach 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 Myrtle Beach

  1. Use a licensed, insured electrician.
  2. Ask for a load calculation to size the new service.
  3. Confirm the permit, inspection and utility coordination are included.
  4. Get the warranty for parts and labor in writing.

Electrical Panel Upgrade in Myrtle Beach: FAQs

How much does an electrical panel upgrade cost in Myrtle Beach, SC?

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 Myrtle Beach?

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 Myrtle Beach?

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 Myrtle Beach compared to the national average?

With South Carolina's regional cost index of 0.87, expect roughly $1,100–$2,600 in Myrtle Beach, versus $1,300–$3,000 nationally.

How long does electrical panel upgrade take in Myrtle Beach?

Most panel upgrades take about 4–8 hours of labor, plus utility scheduling. Permit and inspection scheduling in Myrtle Beach can add a few days.

Do I need a permit for electrical panel upgrade in Myrtle Beach?

A permit is required, typically $50–$300; the electrician usually pulls it. Confirm with the Myrtle Beach or county building department.

Which Myrtle Beach ZIP codes does this guide cover?

This guide applies to Myrtle Beach ZIP codes 29572, 29575, 29577, 29578, 29579, 29587, 29588, plus the surrounding area.

Electrical Panel Upgrade near Myrtle Beach

Other home services in Myrtle Beach

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 South Carolina climate patterns; check FEMA's National Risk Index for county-level ratings. Local estimates apply an approximate regional cost index to national ranges.