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Southern Maryland Elec Coop Inc
Southern Maryland Elec Coop Inc served 162,860 residential customers in Maryland in 2025 (6.6% of the state's residential customers), the 5th largest of 59 utilities reporting there. Bundled service; ownership: cooperative; balancing authority PJM.
The meter, one average month.
Scroll to run 30 days of Southern Maryland Elec Coop Inc's average residential use through a five-dial register.
- Used so far
- 1,171 kWh
- At 16.43¢/kWh
- $192
Price ruler0 to 50¢ per kWh
Where 16.43¢ sits.
Southern Maryland Elec Coop Inc averaged 16.43¢ per kWh against a Maryland residential average of 19.48¢: 15.7% below the state figure. Among the 3 cooperative utilities in Maryland with bundled residential sales, it ranks 2nd from the lowest price.
2020 and 2025EIA-861
Five years, same meter.
In 2020 the average Southern Maryland Elec Coop Inc home used 1,163 kWh a month at 11.43¢ and paid $133. In 2025 it used 1,171 kWh at 16.43¢ and paid $192: the price per kWh is up 43.7%.
| Measure | 2020 | 2025 |
|---|---|---|
| Price, ¢/kWh | 11.43 | 16.43 |
| Use, kWh a month | 1,163 | 1,171 |
| Bill, US$ a month | 132.95 | 192.34 |
| Class | Customers | MWh sold | ¢/kWh |
|---|---|---|---|
| Residential | 162,860 | 2,288,425 | 16.43 |
| Commercial | 16,145 | 1,222,704 | 14.17 |
Who else is on the line
Homes are one class.
Homes took 65.2% of the electricity Southern Maryland Elec Coop Inc sold in Maryland in 2025.
Rooftop solar on its linesnet metering
9,514 roofs.
- Residential net-metered PV
- 9,514installations reported for 2025
- Capacity
- 88.9 MWresidential, net metered
- Per 1,000 homes
- 58.4installations per 1,000 residential customers
Service territoryEIA-861
4 counties.
CalvertCharlesPrince GeorgesSt Marys
Counties in Maryland where Southern Maryland Elec Coop Inc reported serving customers in 2025 (4 in all; up to 24 listed).
EIA-8612025Utility 17637
The filing, line by line.
| Measure | Value | Unit |
|---|---|---|
| Average price | 16.43 | ¢/kWh |
| Maryland average price | 19.48 | ¢/kWh |
| Difference from state average | -15.7 | % |
| Price change over 5 years | 43.7 | % |
| Typical monthly use | 1,171 | kWh |
| Typical monthly bill | 192.34 | US$ |
| Residential customers | 162,860 | accounts |
| Share of MD residential customers | 6.6 | % |
| Size rank in MD | 5 of 59 | by customers |
| Price rank, cooperative peers | 2 of 3 | 1 = lowest |
Rate plans on fileOpenEI URDB
2 active plans.
- Time-of-use
- 1more than one energy period within a month
- Seasonal only
- 1price changes by month, not by hour
- Median fixed charge
- $10.07US dollars per month
Active residential plans: not ended, started within the last 5 years, latest version of each plan name. Time-of-use means more than one energy period within a single month; plans whose price changes only by season are counted as seasonal.