Ffestiniog
Ffestiniog is a pumped storage project of 360 MW in NESO's TEC Register of 23 Oct 2026, connecting at Ffestiniog 275kV Substation (NGET). Status: Built.
- Customer
- First Hydro Company
- Connection site
- Ffestiniog 275kV Substation
- Transmission owner
- NGET
- Technology
- Pumped storage
- Capacity (TEC)
- 360 MW
- Agreement
- Direct Connection
- Status
- Built
- NESO project number
- PRO-000055
Source
- NESO TEC Register, National Energy System Operator, publication of 23 Oct 2026. NESO Open Data Licence.