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.
| Field | Value |
|---|---|
| _id | 281652 |
| Type | T-4 |
| rank | 0.0573088 |
| CMU ID | NDAMAN |
| Auction Name | 2027-28 (T-4) Four Year Ahead Capacity Auction |
| Component ID | E_MAEN-1 |
| Delivery Year | 2027 |
| 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 |