Aiken Electric Co-op electricity rates
Electric cooperative · South Carolina · SERC region
Aiken Electric Co-op is a member-owned electric cooperative, so its customers own it and elect its board, serving 50,850 homes in South Carolina. Its residential customers pay an average of 18.30¢/kWh including fixed and delivery charges, 2% more than the U.S. average.
Rate basis: EIA-861 2025 annual data, adjusted to the 12 months ending 2026-07 using the state's price trend.
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Aiken Electric Co-op bill estimates
| Monthly use | At average all-in rate |
|---|---|
| 500 kWh | $91.50 |
| 1,000 kWh | $183.00 |
| 1,500 kWh | $274.50 |
| 2,000 kWh | $366.00 |
Aiken Electric Co-op residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| SINGLE-PHASE SERVICE APtime-of-use | 2025-01-01 | $41.09 | 13.0¢ (12am–12am) — summer weekdays |
| Residential Time of Usetime-of-use | 2014-07-01 | $22.00 | 6.0¢ (12am–1pm, 9pm–12am) · 24.0¢ (1pm–9pm) — summer weekdays |
| Good Cents - New Home Programtime-of-use | 2014-07-01 | $22.00 | 13.0¢ (12am–12am) — summer weekdays |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Aiken Electric Co-op rate history
2015–2025: +34% change in the average residential rate (13.10¢ → 17.51¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
| 2025 | Aiken Electric Co-op | South Carolina avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 189 | 151 | 266 |
| Outages per customer (SAIFI) | 1.16 | 1.34 | |
| Outage minutes excluding major storms | 119 | 102 | 121 |
Outages in counties served (2025)
From ORNL EAGLE-I, which tracks customers without power every 15 minutes. These counts cover every utility in each county. Weighted across Aiken Electric Co-op's counties, customers averaged 4 hr 26 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| McCormick | 1,519 | 48 | 3,697 | 2025-06-08 |
| Saluda | 1,005 | 60 | 12,782 | 2025-06-08 |
| Greenwood | 375 | 30 | 8,322 | 2025-06-08 |
| Calhoun | 344 | 64 | 12,785 | 2025-06-26 |
| Edgefield | 333 | 72 | 6,362 | 2025-06-08 |
| Lexington | 240 | 48 | 55,567 | 2025-06-08 |
| Aiken | 222 | 78 | 16,695 | 2025-06-08 |
| Barnwell | 209 | 47 | 3,838 | 2025-10-28 |
| Orangeburg | 72 | 37 | 6,191 | 2025-06-26 |
Aiken Electric Co-op service area
Aiken Electric Co-op serves 9 counties in South Carolina and 51 ZIP codes.
Aiken, Barnwell, Calhoun, Edgefield, Greenwood, Lexington, McCormick, Orangeburg, Saluda
Cities: Aiken, North Augusta, Orangeburg, Newberry, Belvedere, Batesburg-Leesville, Brookdale, Edgefield, Batesburg, Saluda, Bamberg, Denmark, Williston, Gloverville, Burnettown, Graniteville, McCormick, Edisto, Wilkinson Heights, Johnston, Blackville, Leesville, New Ellenton, Ninety Six, Jackson, Langley, Murphys Estates, Warrenville, Prosperity
Programs, smart meters & solar
| Smart meters (AMI) for homes | 100% |
| Customers with daily usage data online | 50,850 |
| Time-based rate programs | Time-of-use rates |
| Homes on time-based rates | 9 |
| Net-metered solar homes | 401 |
| Homes in demand response (e.g. thermostat rebates) | 178 |
| Residential energy saved by programs | 273 MWh |
Aiken Electric Co-op at a glance
| Ownership | Electric cooperative |
| Services | Distribution |
| Commercial rate | 15.22¢/kWh |
| Industrial rate | 8.54¢/kWh |
| Retail revenue (2025) | $157,117,800 |
| Electricity sold (2025) | 1,043,438 MWh |
| Peak demand | 254 MW summer · 282 MW winter |
| Line losses | 4.2% |
| Balancing authority | SC |
| EIA utility ID | 162 |
| Website | There were no commerical accounts added for the reporting year. |
Other utilities in South Carolina
Frequently asked questions
What is Aiken Electric Co-op's electricity rate?
Aiken Electric Co-op residential customers pay an average of 18.30¢ per kWh, all charges included (EIA-861 2025 annual data, adjusted to the 12 months ending 2026-07 using the state's price trend). That's 17% above the South Carolina average of 15.64¢ and 2% above the U.S. average.
What is the average Aiken Electric Co-op electric bill?
About $201 a month. The average Aiken Electric Co-op home uses 1,099 kWh a month. At 1,000 kWh the bill would be about $183.
How many customers does Aiken Electric Co-op have?
Aiken Electric Co-op serves 50,850 residential customers and 54,255 customers in total in South Carolina, across 9 counties.
How reliable is Aiken Electric Co-op?
In 2025, the average Aiken Electric Co-op customer was without power for 3 hr 9 min (SAIDI) over undefined interruptions (SAIFI), including major storms. Excluding major event days it was 119 min. The South Carolina average was 2 hr 31 min and the U.S. average 4 hr 26 min.
Does Aiken Electric Co-op offer time-of-use rates?
Yes. The OpenEI rate database lists 3 time-of-use residential plans, including SINGLE-PHASE SERVICE AP. Running big appliances off-peak can cut their cost. Pick the plan in the calculator above to see by how much.
Does Aiken Electric Co-op offer net metering for solar?
Aiken Electric Co-op had 401 residential net-metered customers in 2025 with 3.6 MW of capacity. Estimate solar savings at this utility's rate.
Sources: EIA-861 2025 and EIA-861M (through July 2026), OpenEI URDB, ORNL EAGLE-I, U.S. Census. Methodology. Spot an error? Rates change often, so confirm with Aiken Electric Co-op before making decisions.