| Name | Location | County | Country | Power source | Type | Function | River |
| Pancy Bach, Llanelltyd | Llanelltyd | Merionethshire | United Kingdom | Water | Watermill | Woollen mill | Tributary of Wnion |
| Pandy Pentre, Llanelltyd | Llanelltyd | Merionethshire | United Kingdom | Water | Watermill | Fulling mill | Tributary to Mawddach |