Southern Maryland Elec Coop Inc Electricity Rates and Average Bill (Maryland)
Data through May 2026 (the latest month EIA has published) · Updated August 14, 2026
As of May 2026, Southern Maryland Elec Coop Inc's residential customers in Maryland paid an average effective rate of 16.86¢/kWh with an average monthly bill of $146.01, per EIA Form 861-M data. That rate is 4.9¢ below the Maryland average of 21.77¢/kWh; the U.S. average is 18.44¢/kWh.
Rate trend vs the Maryland average
View this chart as a table (last 12 months)
| Month | Rate (¢/kWh) | Avg bill ($/mo) | Avg usage (kWh/mo) |
|---|---|---|---|
| June 2025 | 16.51 | 198.89 | 1204 |
| July 2025 | 15.88 | 233.01 | 1467 |
| August 2025 | 17.05 | 186.34 | 1093 |
| September 2025 | 17.41 | 157.69 | 906 |
| October 2025 | 17.88 | 144.24 | 807 |
| November 2025 | 17.18 | 174.99 | 1019 |
| December 2025 | 15.89 | 247.58 | 1558 |
| January 2026 | 24.08 | 426.94 | 1773 |
| February 2026 | 19.56 | 291.42 | 1490 |
| March 2026 | 16.57 | 174.99 | 1056 |
| April 2026 | 18.15 | 151.33 | 834 |
| May 2026 | 16.86 | 146.01 | 866 |
Southern Maryland Elec Coop Inc vs Maryland vs the U.S.
| Southern Maryland Elec Coop Inc | Maryland | U.S. average | |
|---|---|---|---|
| Rate (May 2026) | 16.86¢/kWh | 21.77¢/kWh | 18.44¢/kWh |
| Average monthly bill | $146.01 | $158.27 | $135.70 |
| Average monthly usage | 866 kWh | 727 kWh | 736 kWh |
| Rate change, 1 year | −1.9% | +14.6% | +6.2% |
Estimate a bill at Southern Maryland Elec Coop Inc rates
Worked example: 1,000 kWh at Southern Maryland Elec Coop Inc's average effective rate of 16.86¢/kWh is about $168.60. The utility's actual average usage is 866 kWh/month, which produces the $146.01 average bill. This is an all-in average (energy, delivery, fixed charges, riders); your tariff's marginal price will differ.
See the full Maryland 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.