South Carolina electricity rates
South Carolina homes paid 15.8¢ per kWh in August 2026 — +4% from a year earlier. That is #20 cheapest of 51; the U.S. average was 18.2¢.
South Carolina electricity price trend
Hover or tap the chart for exact monthly values. Source: EIA-861M (monthly, latest months preliminary); forecast: EIA Short-Term Energy Outlook (October 2026) for the South Atlantic region, which includes Delaware, District of Columbia, Florida, Georgia, Maryland, North Carolina, South Carolina, Virginia, West Virginia.
Utilities in South Carolina
30 utilities · 7 report monthlyMonthly home price by utility
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| │ = SC average, same period | |||||
|---|---|---|---|---|---|
| Dominion Energy South Carolina, Inc. Investor Owned · monthly data |
17.7¢Jan–Aug 2026 |
+10.4% | +21.1% | $151 | 696,385 |
| Duke Energy Carolinas, LLC Investor Owned · monthly data |
14.2¢Jan–Aug 2026 |
-11.1% | +1.7% | $144 | 568,586 |
| South Carolina Public Service Authority State · monthly data |
14.5¢Jan–Aug 2026 |
-9.5% | +27.2% | $108 | 185,529 |
| Duke Energy Progress (NC) Investor Owned · monthly data |
15.7¢Jan–Aug 2026 |
-2% | +5.4% | $171 | 143,713 |
| Berkeley Electric Coop Inc. Cooperative · monthly data |
16.7¢Jan–Aug 2026 |
+4.1% | +11.6% | $170 | 115,117 |
| Horry Electric Coop Inc. Cooperative |
13.2¢2024 |
-7.7% | — | $140 | 86,726 |
| Adjustment 2024 |
15.8¢2024 |
+10.3% | — | $159 | 71,136 |
| Palmetto Electric Coop Inc. Cooperative · monthly data |
15.7¢Jan–Aug 2026 |
-2.1% | +22.5% | $154 | 68,338 |
| Blue Ridge Electric Coop Inc. (SC) Cooperative |
18.9¢2024 |
+32.2% | — | $189 | 67,553 |
| York Electric Coop Inc. Cooperative |
12.7¢2024 |
-11.7% | — | $137 | 65,244 |
| Laurens Electric Coop, Inc. Cooperative |
14.7¢2024 |
+2.3% | — | $156 | 58,438 |
| Mid-Carolina Electric Coop Inc. Cooperative |
14.9¢2024 |
+3.8% | — | $171 | 56,463 |
| Aiken Electric Coop Inc. Cooperative |
15.5¢2024 |
+8.4% | — | $170 | 49,460 |
| City of Rock Hill (SC) Municipal |
12.6¢2024 |
-12.4% | — | $103 | 36,492 |
| Santee Electric Coop, Inc. Cooperative |
14.7¢2024 |
+2.9% | — | $184 | 35,235 |
| Fairfield Electric Coop, Inc. Cooperative |
14.3¢2024 |
+0.1% | — | $164 | 32,397 |
| MPD Electric Cooperative Cooperative |
10.9¢2024 |
-23.7% | — | $144 | 31,874 |
| Black River Electric Coop, Inc. (SC) Cooperative |
13.5¢2024 |
-6% | — | $169 | 30,610 |
| Greer Commission of Public Wks Municipal |
11.8¢2024 |
-17.7% | — | $97 | 24,893 |
| Broad River Electric Coop, Inc. Cooperative |
15.9¢2024 |
+11% | — | $168 | 23,140 |
| Lynches River Elec Coop, Inc. Cooperative |
15.7¢2024 |
+9.6% | — | $161 | 21,363 |
| City of Orangeburg (SC) Municipal |
15.5¢2024 |
+8.1% | — | $165 | 20,639 |
| Tri-County Electric Coop, Inc. (SC) Cooperative |
18.5¢2024 |
+29.2% | — | $203 | 17,672 |
| Easley Combined Utility System Municipal |
12.8¢2024 |
-10.6% | — | $125 | 15,772 |
| Edisto Electric Coop, Inc. Cooperative |
16.4¢2024 |
+14.5% | — | $200 | 15,421 |
| Newberry Electric Coop, Inc. Cooperative |
16.3¢2024 |
+13.9% | — | $163 | 12,970 |
| Greenwood CPW Municipal |
9.0¢2024 |
-36.9% | — | $73 | 11,753 |
| City of Gaffney (SC) Municipal |
12.4¢2024 |
-13.5% | — | $118 | 6,314 |
| Lockhart Power Co. Investor Owned · monthly data |
15.7¢Jan–Aug 2026 |
-2.1% | +16.8% | $143 | 4,976 |
| Haywood Electric Member Corp Cooperative |
19.0¢2024 |
+32.4% | — | $102 | 9 |
Bars: average home price (same color scale as the map). The thin line and “vs. SC avg.” use the South Carolina average of the same period — 2024 for yearly figures, 2026 so far for monthly ones. “vs. 2024” compares this year’s monthly average with the 2024 annual average. Click a column header to sort. Small utilities that report only totals are left out.
All ZIP codes in South Carolina
Averages, not a quote. Prices here are what each utility’s residential customers paid on average (revenue ÷ kWh sold, fixed charges included), as reported to the U.S. Energy Information Administration. Your own rate depends on your plan, season and usage — check your bill or your utility’s tariff.
Questions
What is the average electricity rate in South Carolina?
15.8¢ per kWh for residential customers in August 2026 (EIA-861M, preliminary); the 12-month average is 15.8¢.
How does South Carolina compare with other states?
South Carolina ranks #20 cheapest of 51 states and D.C. The U.S. average was 18.2¢ in August 2026.
Which utility in South Carolina has the lowest rates?
Among the larger utilities (over 10,000 homes), Greenwood CPW averaged 9.0¢ per kWh in 2024. Rates depend on the plan; check the utility’s tariff.