How Much Are Utilities in Aiken, SC on Average?
In Aiken, South Carolina, the total average monthly residential utility cost is $342 per month ($4,105 annually) for a typical 3-person single-family residence occupying 1,800 square feet. This comprehensive monthly expenditure comprises $145.05 for electricity (priced at $0.139/kWh via Dominion Energy South Carolina), $37.40 for municipal water through Aiken Water & Sewer Dept, $60.15 for natural gas through Dominion Energy Gas SC, $67.00 for municipal sewer, and $26.75 for solid waste sanitation. Due to local climate normals (2,911 Cooling Degree Days), peak summer air conditioning increases monthly power bills by 52% over spring baselines.
Seasonal HVAC Impact: Cooling vs. Heating Degree Days
NOAA data records 2,911 Cooling Degree Days (CDD) annually in Aiken. Upgrading insulation and implementing smart HVAC scheduling can save up to $460 annually in peak summer billing cycles.
Measures intensity and duration of outdoor temperatures requiring air conditioning.
Quantifies heating fuel consumption (natural gas therms or heat pump energy).
Aiken, SC Geographic Utility Coordinates
Official Aiken Utility Rate Schedules (2026)
Published fixed base charges, volumetric consumption blocks, and local service providers.
| Utility Type | Primary Provider | Fixed Monthly Base | Volumetric Rate |
|---|---|---|---|
| Electricity (Power) |
Dominion Energy South Carolina
(800) 251-7234
|
$13.00/mo | $0.139 / kWh |
| City Water |
Aiken Water & Sewer Dept
(843) 727-6800
|
$17.00/mo |
Tier 1: $3.40 Tier 2: $5.70 / 1k gal |
| Natural Gas |
Dominion Energy Gas SC (800) 251-7234
|
$15.00/mo | $1.29 / Therm |
| Sewer Service | Aiken Water & Sewer Dept | $25.50/mo | $8.30 / 1k gal |
| Curbside Trash & Recycle | Municipal Solid Waste Dept | $26.75/mo | Included standard cart |
Moving to Aiken: How to Set Up Utilities
Essential transfer lead times, security deposits, and activation guidelines.
Schedule Dominion Energy South Carolina Power Activation
Schedule power hookup at least 7 business days prior to closing or lease start. Call (800) 251-7234 or enroll online.
Waive Security Deposits with a Utility Letter of Credit
Avoid upfront deposits of $140 – $260 by requesting a 12-month zero-late-payment Letter of Good Standing from your prior provider.
Activate Municipal Water & Solid Waste Services
In Aiken, water, wastewater, drainage, and curbside recycling are billed as a unified municipal statement through Aiken Water & Sewer Dept.
Aiken Rooftop Solar Economics & Net Metering (2026)
With residential electricity in Aiken priced at $0.139/kWh (supplied by Dominion Energy South Carolina), solar installations can eliminate up to 85% of grid power charges while hedging against summer rate increases.
SC Solar Choice Net Metering (Time-of-Use based credit structure) plus 25% state solar tax credit.
| Financial Component | Estimated Value | Regulatory Source |
|---|---|---|
| Gross Turnkey System Cost (Avg $2.85/W) | $21,090 | NREL Annual Technology Baseline |
| Federal Residential Clean Energy Credit (30% ITC) | -$6,327 | Inflation Reduction Act (IRC § 25D) |
| Net Out-of-Pocket Homeowner Cost | $14,763 | Direct purchase / financed basis |
| First-Year Electric Bill Offset | $1,811 / yr | Aiken electric rate baseline |
| 25-Year Cumulative Net Profit | +$45,920 | Indexed at 2.5% utility escalation |
Frequently Asked Questions in Aiken County
What is the average monthly water bill in Aiken for a family of 3?
For a 3-person household consuming approximately 5,800 to 6,500 gallons per month, the total water and sewer bill in Aiken averages between $75 and $115 per month, including the fixed monthly base meter fee ($17.00) and sewer volume charges.
Why are electric bills in Aiken higher during the summer?
NOAA 1991-2020 climate averages document 2,911 Cooling Degree Days and 2,862 Heating Degree Days annually across Aiken County. In Aiken, peak July air conditioning increases your kWh electric bill by 52% compared to winter baseline.
Is electricity deregulated in Aiken?
No, electricity in Aiken is supplied directly by Dominion Energy South Carolina as a regulated public utility service.