Wyoming has 7 hydroelectric dams, of which 5 carry a high hazard classification. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity.
| # | Dam | County | Height (ft) | Hazard | Condition | Year |
|---|---|---|---|---|---|---|
| 1 | Seminoe Dam | Carbon | 295 | High | Not assessed | 1938 |
| 2 | Alcova Dam | Natrona | 265 | High | Not assessed | 1938 |
| 3 | Kortes Dam | Carbon | 244 | High | Not assessed | 1951 |
| 4 | Pathfinder Dam | Natrona | 214 | High | Not assessed | 1909 |
| 5 | Guernsey Dam | Platte | 137 | High | Not assessed | 1927 |
| 6 | Lower Afton | Lincoln | 30 | Low | Satisfactory | 1942 |
| 7 | Upper Afton | Lincoln | 25 | Low | Satisfactory | 1942 |