Since 1946, Moreau-Grand Electric Cooperative has been serving the counties of Corson, Dewey and Ziebach as well as a portion of Standing Rock Indian Reservations.
| Friday | 7AM to 4AM |
| Saturday | Closed |
| Sunday | Closed |
| Monday | 7AM to 4PM |
| Tuesday | 7AM to 4PM |
| Wednesday | 7AM to 4PM |
| Thursday | 7AM to 4PM |
405 9th St, Timber Lake, SD 57656