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Ffestiniog: 360 MW Pumped storage | Grid

Ffestiniog

Pumped storageOperational

Grid ID ast_abed3a759fe9691c

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What is Ffestiniog, and what is its status?

Pumped storage in North Wales, Merseyside and Cheshire. Details below come from the sources listed for each field.

MW

360 MW

MWh

Not available

Nominal duration

Not available

Capacity basis

Counted DUKES megawatts

Location precision

Published, approximate

Location

Published, approximate

52.98083, -3.96889

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Contains public sector information licensed under the Open Government Licence v3.0.

Contains public sector information licensed under the Open Government Licence v3.0.

Identity and relationships

  • DUKES site

    HST-000101

    Ffestiniog Power Station in DUKES.

  • REPD reference

    6840

    Ffestiniog in REPD.

  • Same site

    coordinates

    Same site in both registers, matched by coordinates (high). DUKES megawatts count. Distance 26 m.

Output

Grid does not have this data yet. It will appear here once Elexon BMU metering is added.

Ownership and operator

  • Operator · DUKES

    Engie Power

    DUKES records HST-000101 as the operator.

  • Operator · REPD

    First Hydro Company

    REPD records 6840 as the operator.

  • Owner · DUKES, REPD

    Not available

    The register records an operator, not an owner.

Related projects

  • Ffestiniog Power Station

    DUKES · HST-000101 · Engie Power · Wales

  • Ffestiniog

    REPD · 6840 · First Hydro Company · Wales · Conwy

Change history

  • May 2026

    30 Jul 2026 · DUKES · 360 MW · Counted

  • REPD Q2 2026

    3 Aug 2026 · REPD · 360 MW · Not counted

Source records