Projects
Where is Ffestiniog up to?
Each status below comes from a named source and date.
Pumped storage · Wales
Planning
- Planning
- Granted
- DESNZ REPD, 3 Aug 2026
- Construction
- Built
- 1 Jan 1956
- DESNZ REPD, 3 Aug 2026
- Operational status
- Operational
- 1 Jan 1961
- DESNZ REPD, 3 Aug 2026
Connection
- Connection
- Connected
- NESO TEC register, 13 Oct 2026
Measures
- Rated power
- 360.0 MW
- Connection capacity
- 360.0 MW
- Storage energy
- Not published