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Conventional Hydro

Llyn Celyn

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Celyn Reservoir near Bala, Gwynedd, LL23 7NU

Llyn Celyn is a 4.5 MW conventional hydro project in Wales. The applicant or operator on record is Dwr Cymru Welsh Water. It is recorded as operational since January 1994. The determining authority is Gwynedd.…

Operational Β· Since 1994
Official register: July 2026

Recorded status: Operational. Source record updated 2015-01-05.

Registered planning capacity; not measured generation.

DESNZ source publication Β· Search the full register Β· Definitions and coverage

4.500 MW
Registered Capacity
1994
Commissioned

πŸ“‹ Project Overview

Llyn Celyn is a 4.5 MW conventional hydro project in Wales. The applicant or operator on record is Dwr Cymru Welsh Water. It is recorded as operational since January 1994. The determining authority is Gwynedd.

Site Schematic

UPPER RES. LOWER RES. PENSTOCK TAILRACE GEN. GRID HEAD: ?m Β· POWER: 4.500 MW Β· ? turbines

Schematic diagram β€” not to scale. Illustrative layout based on project specifications.

πŸ”§ Technical Specifications

Capacity (MW)4.500 MW

πŸ”Œ Grid Connection & Infrastructure

🏒 Development & Ownership

DeveloperDwr Cymru Welsh Water
Owner / operatorDwr Cymru Welsh Water
Commissioned / target1994
LocationCelyn Reservoir near Bala, Gwynedd, LL23 7NU
RegionWales
Coordinates52.943821Β°N, 3.6711682Β°W

Additional published register fields

Registered technologySmall Hydro

πŸ“… Project Timeline

1994-01-01