Dinas reservoir supplies water to the largest power station at Cwm Rheidol where there are two 20.5MW generators. At Cwm Rheidol a further reservoir has been created to avoid large variations in the flow of water.
The Dinas reservoir supplies water to the biggest power plant at Cwm Rheidol, which houses two 20.5 MW generators. To ensure a consistent water supply, an additional reservoir has been established at Cwm Rheidol.