Berkeley Electric Coop Inc Electricity Rates and Average Bill (South Carolina)
Data through May 2026 (the latest month EIA has published) · Updated August 14, 2026
As of May 2026, Berkeley Electric Coop Inc's residential customers in South Carolina paid an average effective rate of 17.13¢/kWh with an average monthly bill of $184.28, per EIA Form 861-M data. That rate is 0.9¢ above the South Carolina average of 16.18¢/kWh; the U.S. average is 18.44¢/kWh.
Rate trend vs the South Carolina average
View this chart as a table (last 12 months)
| Month | Rate (¢/kWh) | Avg bill ($/mo) | Avg usage (kWh/mo) |
|---|---|---|---|
| June 2025 | 15.86 | 228.34 | 1440 |
| July 2025 | 15.75 | 251.73 | 1598 |
| August 2025 | 16.07 | 215.38 | 1341 |
| September 2025 | 16.86 | 185.11 | 1098 |
| October 2025 | 18.31 | 154.98 | 846 |
| November 2025 | 18.35 | 160.65 | 875 |
| December 2025 | 16.11 | 206.19 | 1280 |
| January 2026 | 16.11 | 223.18 | 1385 |
| February 2026 | 16.41 | 189.10 | 1152 |
| March 2026 | 18.06 | 160.97 | 891 |
| April 2026 | 18.13 | 154.17 | 850 |
| May 2026 | 17.13 | 184.28 | 1076 |
Berkeley Electric Coop Inc vs South Carolina vs the U.S.
| Berkeley Electric Coop Inc | South Carolina | U.S. average | |
|---|---|---|---|
| Rate (May 2026) | 17.13¢/kWh | 16.18¢/kWh | 18.44¢/kWh |
| Average monthly bill | $184.28 | $148.05 | $135.70 |
| Average monthly usage | 1076 kWh | 915 kWh | 736 kWh |
| Rate change, 1 year | +0.9% | +5.0% | +6.2% |
Estimate a bill at Berkeley Electric Coop Inc rates
Worked example: 1,000 kWh at Berkeley Electric Coop Inc's average effective rate of 17.13¢/kWh is about $171.30. The utility's actual average usage is 1076 kWh/month, which produces the $184.28 average bill. This is an all-in average (energy, delivery, fixed charges, riders); your tariff's marginal price will differ.
See the full South Carolina rate trend, look up another utility by ZIP code, or read why electric bills are rising.
Source: EIA Form 861-M (monthly utility-level sales to ultimate customers, residential), published with roughly a two-month lag. Rate = revenue ÷ sales; bill = revenue ÷ customers. Months failing basic sanity screens are excluded. See methodology.