| Name | Location | County | Country | Power source | Type | Function | River |
| Flannel factory, Penegoes | Penegoes, Cadfarch | Montgomeryshire | United Kingdom | Water | Watermill | Woollen mill | Crewi |
| Penegoes Mill, Penegoes | Penegoes, Cadfarch | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Crewi |
