What is the average electricity rate in Hilton Head Island, South Carolina?

The average residential electricity rate in Hilton Head Island is approximately 15.53¢/kWh per kWh. The average household pays around $142 per month for electricity.

What is the average natural gas bill in Hilton Head Island?

Natural gas customers in Hilton Head Island pay an average of $69 per month. The rate is approximately $1.66/therm per therm.

Which electric company serves Hilton Head Island, South Carolina?

Electricity in Hilton Head Island is distributed by Duke Energy South Carolina and Dominion Energy South Carolina (formerly SCE&G). Contact your provider at your local service address to confirm which utility serves your home.

Which gas company serves Hilton Head Island?

Hilton Head Island natural gas service is provided by Dominion Energy SC (SCE&G Gas) and Piedmont Natural Gas (Duke Energy). Call them directly for new service connections or to report a gas leak.

How do Hilton Head Island electricity rates compare to South Carolina averages?

Hilton Head Island's electricity rate of 15.53¢/kWh is below the South Carolina state average of 16.18¢/kWh. This can reflect a municipal utility or favorable regional generation mix.

How do I start or stop utility service in Hilton Head Island?

To start electric service in Hilton Head Island, contact Duke Energy South Carolina and Dominion Energy South Carolina (formerly SCE&G). For gas service, contact Dominion Energy SC (SCE&G Gas) and Piedmont Natural Gas (Duke Energy). You'll typically need a photo ID, your new address, and a move-in date. Service can usually be established within 1-3 business days.

Hilton Head Island, South Carolina Gas & Electricity Rates — Utility Providers & Savings 2026

Gas & Electricity in Hilton Head Island, South Carolina

Electricity in Hilton Head Island, South Carolina (SC) is distributed by Duke Energy South Carolina at rates close to the South Carolina average of 16.18¢/kWh. Natural gas service is provided by Dominion Energy SC (SCE&G Gas). Contact your provider to set up service or inquire about bill assistance.

Compared to the South Carolina state average of 16.18¢/kWh/kWh, Hilton Head Island's electricity rate of 15.53¢/kWh is 0.65¢ below the South Carolina average. As South Carolina has a regulated market, your utility is determined by your address.

Electric Utility in Hilton Head Island

Duke Energy South Carolina
Dominion Energy South Carolina (formerly SCE&G)
Santee Cooper
Blue Ridge Electric Cooperative

Natural Gas Utility in Hilton Head Island

Dominion Energy SC (SCE&G Gas)
Piedmont Natural Gas (Duke Energy)
Fort Hill Natural Gas Authority

Hilton Head Island vs South Carolina Energy Rates

Metric	Hilton Head Island	South Carolina Average	US Average
Electric Rate (¢/kWh)	15.53¢	16.18¢	16.00¢
Gas Rate ($/therm)	$1.66	$1.64	$1.47
Monthly Electric Bill	$142	$148	$117
Monthly Gas Bill	$69	$68	$73

Energy Assistance Programs for Hilton Head Island Residents

As a South Carolina city, Hilton Head Island residents can access the following state and local assistance programs:

✅ SC LIHEAP
✅ SC Crisis Intervention Program (CIP)
✅ Dominion Energy SC Share the Warmth
✅ SC Weatherization Assistance

Energy-Saving Tips for Hilton Head Island Residents

✓ Run your AC on a "dry" mode or use a standalone dehumidifier — moisture makes heat feel worse.
✓ Clean or replace AC filters monthly during summer to maintain airflow and efficiency.
✓ Consider a mini-split heat pump — it's highly efficient for both cooling and mild-winter heating.
✓ Install Energy Star certified windows to reduce solar heat gain.
✓ Use exhaust fans in bathrooms and kitchens to remove humidity at the source.

FAQ — Gas & Electricity in Hilton Head Island, South Carolina

The average residential electricity rate in Hilton Head Island is approximately 15.53¢/kWh per kWh. The average household pays around $142 per month for electricity.
Natural gas customers in Hilton Head Island pay an average of $69 per month. The rate is approximately $1.66/therm per therm.
Electricity in Hilton Head Island is distributed by Duke Energy South Carolina and Dominion Energy South Carolina (formerly SCE&G). Contact your provider at your local service address to confirm which utility serves your home.
Hilton Head Island natural gas service is provided by Dominion Energy SC (SCE&G Gas) and Piedmont Natural Gas (Duke Energy). Call them directly for new service connections or to report a gas leak.
Hilton Head Island's electricity rate of 15.53¢/kWh is below the South Carolina state average of 16.18¢/kWh. This can reflect a municipal utility or favorable regional generation mix.
To start electric service in Hilton Head Island, contact Duke Energy South Carolina and Dominion Energy South Carolina (formerly SCE&G). For gas service, contact Dominion Energy SC (SCE&G Gas) and Piedmont Natural Gas (Duke Energy). You'll typically need a photo ID, your new address, and a move-in date. Service can usually be established within 1-3 business days.