| Name | Location | County | Country | Power source | Type | Function | River |
| Felin Sylfaen, Llanaber | Llanaber, Barmouth | Merionethshire | United Kingdom | Water | Watermill | Tributary to Dwynant | |
| Tyddyn-pandy, Llanaber | Llanaber, Barmouth | Merionethshire | United Kingdom | Water | Watermill | Woollen mill | Tributary to Dwynant |
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