| 2026-03-28 | WQXU391 | MG | A | SOUTHERN MARYLAND ELECTRIC COOPERATIVE, INC. |
| 2025-12-02 | WSKN992 | MG | A | Southern Maryland Electric Cooperative I |
| 2025-12-02 | WSKN989 | MG | A | Southern Maryland Electric Cooperative I |
| 2025-07-02 | WQWA927 | MG | A | SOUTHERN MARYLAND ELECTRIC COOPERATIVE, INC. |
| 2025-07-02 | WQWA929 | MG | A | SOUTHERN MARYLAND ELECTRIC COOPERATIVE, INC. |
| 2025-07-02 | WQWA928 | MG | A | SOUTHERN MARYLAND ELECTRIC COOPERATIVE, INC. |
| 2025-06-10 | WQWA926 | MG | A | SOUTHERN MARYLAND ELECTRIC COOPERATIVE, INC. |
| 2025-06-10 | WQWA925 | MG | A | SOUTHERN MARYLAND ELECTRIC COOPERATIVE, INC. |
| 2025-06-10 | WQWA924 | MG | A | SOUTHERN MARYLAND ELECTRIC COOPERATIVE, INC. |
| 2024-07-26 | WSDX970 | MG | A | Southern Maryland Electric Cooperative I |
| 2024-07-26 | WSDX969 | MG | A | Southern Maryland Electric Cooperative I |
| 2024-07-26 | WSDX971 | MG | A | Southern Maryland Electric Cooperative I |
| 2024-07-26 | WSDX972 | MG | A | Southern Maryland Electric Cooperative I |
| 2024-04-10 | WQUB769 | YG | A | SOUTHERN MARYLAND ELECTRIC COOPERATIVE INC |
| 2020-12-12 | WRKC723 | IG | A | SOUTHERN MARYLAND ELECTRIC COOPERATIVE INC |
| 2020-06-11 | WNEU225 | MG | A | SOUTHERN MARYLAND ELECTRIC COOPERATIVE INC |
| 2020-06-11 | WNTE246 | MG | A | SOUTHERN MARYLAND ELECTRIC COOPERATIVE INC |
| 2019-06-12 | WNTV357 | MG | A | SOUTHERN MARYLAND ELECTRIC COOPERATIVE, INC. |
| 2018-12-18 | WNTT943 | MG | A | SOUTHERN MARYLAND ELECTRIC COOPERATIVE, INC. |
| 2018-10-17 | WNTT807 | MG | A | SOUTHERN MARYLAND ELECTRIC COOPERATIVE, INC. |
| 2018-03-02 | WNEU620 | MG | A | SOUTHERN MARYLAND ELECTRIC COOPERATIVE INC |
| 2018-01-24 | WNEU701 | MG | A | SOUTHERN MARYLAND ELECTRIC COOPERATIVE INC |
| 2017-11-30 | WNEU282 | MG | A | SOUTHERN MARYLAND ELECTRIC COOPERATIVE INC |
| 2017-11-30 | WNEU223 | MG | A | SOUTHERN MARYLAND ELECTRIC COOPERATIVE INC |
| 2017-11-30 | WNEU227 | MG | A | SOUTHERN MARYLAND ELECTRIC COOPERATIVE INC |
| 2014-11-20 | L000013904 | CN | A | Southern Maryland Electric Cooperative Inc. |
| 2014-11-20 | L000013903 | CN | A | Southern Maryland Electric Cooperative Inc. |
| 2013-01-24 | WQQM318 | MG | C | SOUTHERN MARYLAND ELECTRIC COOPERATIVE, INC. |
| 2010-11-02 | WQMS252 | IG | E | SOUTHERN MARYLAND ELECTRIC COOPERATIVE INC |
| 2008-12-24 | WPOQ649 | MG | E | SOUTHERN MARYLAND ELECTRIC COOPERATIVE INC |
| 2008-12-24 | WPOQ650 | MG | E | SOUTHERN MARYLAND ELECTRIC COOPERATIVE INC |
| 2005-07-28 | KGA322 | IG | E | SOUTHERN MARYLAND ELECTRIC COOPERATIVE INC |
| 2005-03-11 | WQCI541 | IG | T | Southern Maryland Electric Cooperative (SMECO) |
| 2005-03-10 | WQCI385 | IG | T | Southern Maryland Electric Cooperative (SMECO) |
| 2005-02-02 | KB67732 | IG | E | SOUTHERN MARYLAND ELECTRIC COOPERATIVE INC |
| 1997-11-26 | WNEU224 | MG | C | SOUTHERN MARYLAND ELECTRIC COOPERATIVE INC |
| 1997-11-14 | WNEU226 | MG | C | SOUTHERN MARYLAND ELECTRIC COOPERATIVE INC |