16.43¢
per kWh, 2025
[ Southern Maryland Elec Coop / MD ]
Southern Maryland Elec Coop electricity rates in Maryland
CO-OP BOARD SETS RATES · DATA 2025
change in average rate, 2024→2025
+10.7%
vs 2024
163,451
residential customers
+43.7%
since 2020
What your bill becomes
Bill today
No change on file
Difference / month · / year
Estimated at Southern Maryland Elec Coop's average effective residential rate (16.43¢/kWh, EIA, all charges included). Your tariff, fees and taxes differ.
Rate history 2015–2025
| Year | ¢/kWh | Change | Customers |
|---|---|---|---|
| 2015 | 12.34¢ | — | 146,123 |
| 2016 | 13.07¢ | +5.9% | 146,605 |
| 2017 | 12.90¢ | −1.3% | 149,170 |
| 2018 | 12.32¢ | −4.5% | 150,167 |
| 2019 | 12.44¢ | +1.0% | 151,719 |
| 2020 | 11.43¢ | −8.1% | 153,531 |
| 2021 | 12.10¢ | +5.9% | 155,541 |
| 2022 | 15.26¢ | +26.1% | 157,143 |
| 2023 | 14.13¢ | −7.4% | 158,837 |
| 2024 | 14.84¢ | +5.0% | 160,882 |
| 2025 | 16.43¢ | +10.7% | 163,451 |
How this compares
19.53¢
Maryland average, 2025
−15.9%
Southern Maryland Elec Coop vs MD 2025 average
−4.6%
vs US 2025 average
#5
priciest in MD
Serves 4 counties in Maryland: Calvert, Charles, Prince Georges, St Marys. 73 ZIP codes.
What the numbers show
Since 2015, Southern Maryland Elec Coop's average residential rate has gone from 12.34¢ to 16.43¢ per kWh: +33.1% over 10 years, or about +2.9% a year. It rose in 6 of the 10 years we can compare, and the biggest one-year increase was +26.1% in 2022. The largest drop was −8.1% in 2020.
For a home using 944 kWh a month, the Maryland average, Southern Maryland Elec Coop's 2025 rate works out to about $1,861 a year, $351 less than at Maryland's average rate of 19.53¢. Of the 9 Maryland utilities in our data with a 2025 price, it is the 5th most expensive.
Southern Maryland Elec Coop served 146,123 homes in 2015 and 163,451 in 2025 (+11.9%), about 7% of Maryland's residential electricity customers.
Who sets Southern Maryland Elec Coop's rates
Southern Maryland Elec Coop is a member-owned electric cooperative. A board elected by its members sets its rates. In some states the Maryland Public Service Commission also reviews co-op rates, but most co-op rate changes do not go through a commission rate case, so watch the co-op's own member notices and board meetings.
Commission contact: Maryland Public Service Commission. How we calculate every figure on this page: methodology.
Questions
Is Southern Maryland Elec Coop raising rates in 2026?
Southern Maryland Elec Coop's rates are set by its member-elected board, not through a rate case at the Maryland Public Service Commission, so check its own notices for a change this year. Its average residential rate moved +10.7% from 2024 to 2025.
What does Southern Maryland Elec Coop charge per kWh?
Southern Maryland Elec Coop's average effective residential rate was 16.43¢ per kWh in 2025 (EIA-861, revenue divided by sales, all charges included). Maryland's 2025 average was 19.53¢.
How much have Southern Maryland Elec Coop rates gone up in five years?
+43.7% between 2020 and 2025, against +65.3% for Maryland as a whole over the latest five-year window.
How many customers does Southern Maryland Elec Coop have in Maryland?
163,451 residential customers in 2025, across 4 counties including Calvert, Charles, Prince Georges, according to the EIA-861 survey.
Where do these numbers come from?
Rates and customer counts are from the US Energy Information Administration's annual EIA-861 survey, which every US utility files. Nothing here is a utility bill; use it to understand the direction and size of changes.
Sources
- EIA-861 Sales to Ultimate Customers, 2015–2025 (released 2026-10-07)
- EIA-861M monthly state averages through Jul 2026
- NREL utility-by-ZIP lookup (2024)