Maentwrog Power Station Magnox Ltd Maentwrog nr Blaenau Ffestiniog Gwynedd LL414HY UK Map

Technical Capacity Information

Capacity Metrics
  • De-Rated Capacity (Component DB) N/A
  • De-Rated Capacity (CMU Registry) 27.30
  • Connection Capacity (CMU Registry) 30 MW
  • Anticipated Capacity (CMU Registry) 25.85 MW

Note: De-rated capacity typically accounts for availability factors. Connection capacity represents the maximum grid connection size. Values sourced from Component database or CMU Registry as indicated.

Contact & Ownership

Company Information
  • Applicant / Company Name Nuclear Decommissioning Authority
  • Parent Company (CMU Registry) N/A
  • Secondary Trading Email (CMU Registry) [email protected]
  • Secondary Trading Phone (CMU Registry) +441925802409

Basic Information

Basic Information
  • Location Maentwrog Power Station Magnox Ltd Maentwrog nr Blaenau Ffestiniog Gwynedd LL414HY UK
  • Description Maentwrog hydroelectric station is a 30MW plant near Blaenau Ffestiniog- Gwynedd. The plant was constructed in 1928 features two 15MW units and takes its water feed from the Llyn Trawsfynydd Reservoir. The plant is restricted to the quantity of water it can use as minimum water levels must be maintained in the resevoir. The plant has a connection capacity of 35300kVA and an associated power factor of 0.85.
  • Company Nuclear Decommissioning Authority

Technical Details

Technical Details
  • Technology Hydro
  • Generation Type N/A
  • Connection Type N/A
  • De-Rated Capacity 25.72
  • Connection / DSR Capacity 28.20
  • Type T-1

Auction Information

Auction Information
  • Auction 2024-25 (T-1) One Year Ahead Capacity Auction
  • Delivery Year 2,024
  • Status N/A
  • Clearing Price N/A

Additional Information

Additional Information
  • CMU ID NDAMAN
  • Location and Post Code Maentwrog Power Station Magnox Ltd Maentwrog nr Blaenau Ffestiniog Gwynedd LL414HY UK
  • Description of CMU Components Maentwrog hydroelectric station is a 30MW plant near Blaenau Ffestiniog- Gwynedd. The plant was constructed in 1928 features two 15MW units and takes its water feed from the Llyn Trawsfynydd Reservoir. The plant is restricted to the quantity of water it can use as minimum water levels must be maintained in the resevoir. The plant has a connection capacity of 35300kVA and an associated power factor of 0.85.
  • Generating Technology Class Hydro
  • Company Name Nuclear Decommissioning Authority
  • Auction Name 2024-25 (T-1) One Year Ahead Capacity Auction
  • _id 220,028
  • rank 0.06
  • Component ID E_MAEN-1
  • OS Grid Reference SH 653 395
  • Primary Fuel of Component Hydro
  • Permitted on-Site Generating Unit N/A
  • Pre-Refurbishing De-Rated Capacity N/A
  • Post-Refurbishing De-Rated Capacity N/A
  • Generating Capacity of on-site Generating Unit N/A

CMU Registry Data

CMU Registry Data
  • Auction Capacity Auction
  • Type T-4
  • Delivery Year 2,028
  • Name of Applicant Nuclear Decommissioning Authority
  • CM Unit Name Maentwrog Hydro-electric Power Station

Field Value
_id 220028
Type T-1
rank 0.0573088
CMU ID NDAMAN
Auction Name 2024-25 (T-1) One Year Ahead Capacity Auction
Component ID E_MAEN-1
Delivery Year 2024
De-Rated Capacity 25.717
OS Grid Reference SH 653 395
Location and Post Code Maentwrog Power Station Magnox Ltd Maentwrog nr Blaenau Ffestiniog Gwynedd LL414HY UK
Connection / DSR Capacity 28.198
Primary Fuel of Component Hydro
Generating Technology Class Hydro
Description of CMU Components Maentwrog hydroelectric station is a 30MW plant near Blaenau Ffestiniog- Gwynedd. The plant was constructed in 1928 features two 15MW units and takes its water feed from the Llyn Trawsfynydd Reservoir. The plant is restricted to the quantity of water it can use as minimum water levels must be maintained in the resevoir. The plant has a connection capacity of 35300kVA and an associated power factor of 0.85.
Permitted on-Site Generating Unit
null
Pre-Refurbishing De-Rated Capacity
null
Post-Refurbishing De-Rated Capacity
null
Generating Capacity of on-site Generating Unit
null

Field Value
_id 15697
Type T-4
CMU ID NDAMAN
Auction Capacity Auction
Agent Name
null
Beta Value
null
Auction Name 2028-29 (T-4) Four Year Ahead Capacity Auction
CM Unit Name Maentwrog Hydro-electric Power Station
CM Unit Type CMRS
TEC Deferral
null
Unproven DSR
null
Delivery Year 2028
Opt Out Status Opt-In
Opt-Out Reason
null
Parent Company
null
DSR Test Method
null
Is FCM required
null
CM Unit Category Existing Generating CMU
Storage Facility No
De-Rated Capacity 27.3
Name of Applicant Nuclear Decommissioning Authority
Primary Fuel Type Hydro
Registered Holder Nuclear Decommissioning Authority
Annual Penalty Cap
null
Monthly Penalty Cap
null
Proven DSR Capacity
null
DSR Bidding Capacity
null
Amount of Credit Cover
null
Termination Fee 1 Rate
null
Termination Fee 2 Rate
null
Termination Fee 3 Rate
null
Termination Fee 4 Rate
null
Termination Fee 5 Rate
null
Connection / DSR Capacity 30
Maximum Obligation Period 1
Capacity Agreement Awarded Yes
Pre-Qualification Decision Prequalified
Capacity obligation Summary
null
Pre-Refurbishing CMU Status
null
Transmission / Distribution Distribution
Unique Agreement Identifier
null
New Build Yet to Satisfy FCM
null
Planning Consents Conditions
null
Anticipated De-Rated Capacity 25.853
Term of the Capacity Agreement
null
Nature of the Security Interest
null
CMU confirmed entry into Auction Yes
Is Connection Agreement required
null
Pre-Refurbishment Bidding Status
null
Secondary Trading Contact - Email [email protected]
Date for provision of deferred TEC
null
Pre-Refurbishing De-Rated Capacity
null
Date of Issue of Capacity Agreement
null
List of Traded Capacity Obligations
null
Post-Refurbishing De-Rated Capacity
null
Auction Acquired Capacity Obligation
null
Date of Issue of DSR Test Certificate
null
Has Capacity Agreement been Suspended
null
Period for which the transfer applies
null
Secondary Trading Contact - Telephone '+441925802409
Capacity Agreement has been Terminated
null
Duration of Capacity Agreement Awarded 1
Date for Financial Commitment Milestone
null
Delivery Years for which Agreement Valid
null
Connection Agreement Deferral Declaration
null
Date of Termination of Capacity Agreement
null
Latest Date SCM is expected to be achieved
null
Subject to Substantial Completion Milestone
null
Subject to a Minimum Completion Requirement
null
Earliest Date SCM is expected to be achieved
null
Is copy of Grid Connection Agreement required
null
Anticipated Pre-Refurbishing De-Rated Capacity
null
Anticipated Post-Refurbishing De-Rated Capacity
null
Legal Name of any Person with a Security Interest
null
Date for provision of deferred Connection Agreement
null
Duration of Capacity Agreement in First Bidding Round 1
Long-Stop Date for the Minimum Completion Requirement
null