South Carolina Utility Cost Calculator
South Carolina utilities: about $334 a month for a typical home (electric ~$162, gas ~$70, water ~$37, internet ~$65) at EIA's 15.47¢/kWh. Try your own numbers.
Typical total monthly utility bill in South Carolina: $334 for a 1,800 sq ft home with 3 occupants -- $162 electricity, $70 natural gas, $37 water/sewer, and $65 internet under this page's default assumptions. Change the inputs below, or compare states with the utility bill estimator.
| Measure | South Carolina | Rank, normal or source |
|---|---|---|
| Electricity price, July 2026 | 15.47¢ per kWh (July 2025 14.7¢, +5.2%) | 31st highest of 50; 16% below U.S. |
| Use per home, 2024 | 1,050 kWh a month | 10th highest of 50; 22% above U.S. |
| Electric bill | 1,050 kWh × 15.47¢ = $162.44, about $162 | 2024: $149.51 at 14.23¢, 15th highest of 50 |
| Natural gas, 2024 average | $16.91 per Mcf (about $1.63 per therm) | not ranked (a 2024 average); July 2026 $29.9, not used |
| Heating degree days, Jul 2025–Jun 2026 | 2,648 | normal 2,795, 5% below |
| Cooling degree days, same months | 1,998 | normal 1,800, 11% above |
| Home energy, 2024 | electricity 72.3%, natural gas 22.5%, heating oil and propane 2.9%, small-scale solar 1.1% | EIA SEDS, at the meter |
| In-state generation, 2024 | nuclear 53.5%, natural gas 22.7%, coal 16.8% | EIA-923 |
| Largest residential sellers, 2024 | Dominion Energy South Carolina, Inc (investor-owned) 26.5%; Duke Energy Carolinas, LLC (investor-owned) 21.5% | EIA-861 |
EIA (EPM 5.6.A, EIA-861, gas annual prices at 10.37 therms per Mcf) read 2026-10-11; NOAA CPC, EIA SEDS and EIA-923 2026-10-13.
Estimate only — these are not official figures
EIA use and prices for South Carolina; home-size scaling, gas use, water and internet modeled
Do not rely on these amounts for budgeting or payment. For exact amounts, check the residential rate of Dominion Energy South Carolina, Inc or your own utility.
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Pre-filled: EIA Electric Power Monthly, Table 5.6.A (Residential, July 2026)
Pre-filled: EIA residential natural gas price, 2024 annual average ($16.91/Mcf)
Additional Details
Pre-filled: C2ER Cost of Living Index (via MERIC)
Monthly Electric Bill
Estimated • Based on your inputs
Total Monthly Utilities
$334.00
Annual Utility Costs
$4,008.00
Detailed Breakdown
Disclaimer: This calculator provides estimates for informational purposes only. Results should not be considered financial, tax, or legal advice. Consult a qualified professional for your specific situation.
How This Calculator Works
Calculation methodology and assumptions
South Carolina inputs: 1,050 kWh a month (EIA-861 2024) × 15.47¢ (EIA, July 2026), scaled to your home size and occupants; gas $16.91/Mcf ÷ 10.37 = $1.6307/therm (EIA 2024 annual average) (EIA lists South Carolina's 2025 annual average as not available, so the 2024 annual average is used); water $5.10 per 1,000 gallons and internet $65/month, both from cost-of-living index 92.7; income share on $72,350.
Key State Information
2,581,882 South Carolina residential electricity customers (EIA-861, 2024) · cost-of-living index 92.7 · median household income $72,350.
What drives South Carolina utility bills
Heating is South Carolina's larger weather load: a normal July-to-June brings 2,795 heating against 1,800 cooling degree days. The 2025–26 heating season peaked in Jan 2026.
Electricity supplied 72.3% of South Carolina home energy in 2024, natural gas 22.5%.
Dominion Energy South Carolina, Inc sold 26.5% of South Carolina's 2024 residential electricity, Duke Energy Carolinas, LLC 21.5%.
| Month | Heating | Cooling |
|---|---|---|
| Jul 2025 | 0 | 558 |
| Aug 2025 | 0 | 364 |
| Sep 2025 | 7 | 255 |
| Oct 2025 | 154 | 53 |
| Nov 2025 | 328 | 6 |
| Dec 2025 | 579 | 0 |
| Jan 2026 | 688 | 1 |
| Feb 2026 | 527 | 4 |
| Mar 2026 | 220 | 49 |
| Apr 2026 | 89 | 91 |
| May 2026 | 51 | 215 |
| Jun 2026 | 5 | 402 |
StateCalc Team
Editorial Team
The StateCalc team builds free financial calculators using data from official government sources including the IRS, U.S. Census Bureau, BLS, and state revenue departments. All formulas are validated by an automated test suite and cross-referenced against published data.
Our editorial standardsFrequently Asked Questions
What is the average electric bill in South Carolina?
EIA 2024: $149.51 a month (1,050 kWh × 14.23¢). July 2026 price 15.47¢: $162.
National Data
The full 50-state dataset behind this calculator
Compare South Carolina With Other States
Side-by-side tax, housing & cost of living comparisons