Wylfa Site Cemas Ynys Môn LL67 0DH - Wylfa Nuclear power station is a Magnox power station standing on a 20.8 hectare site on the north coast of Anglesey between Holyhead and Amlwch (address is Wylfa Site- Cemas- Ynys Môn- LL67 0DH). The site has only one running reactor and two operational turbine generators. This power station is scheduled to close at the end of 2015. Wylfa power station has three meters for capturing demand (ref) T_WYLF-D1: T_WYLF-D2: T_WYLF-D3. Wylfa ceased Generation at the end of December 2015.

Component ID: NDAWYL

Last updated: 02 Aug 2025 22:37 UTC

Location:

Wylfa Site Cemas Ynys Môn LL67 0DH

Company:

Nuclear Decommissioning Authority

CMU ID:

NDAWYL

Technology:

N/A

Description:

Wylfa Nuclear power station is a Magnox power station standing on a 20.8 hectare site on the north coast of Anglesey between Holyhead and Amlwch (address is Wylfa Site- Cemas- Ynys Môn- LL67 0DH). The site has only one running reactor and two operational turbine generators. This power station is scheduled to close at the end of 2015. Wylfa power station has three meters for capturing demand (ref) T_WYLF-D1: T_WYLF-D2: T_WYLF-D3. Wylfa ceased Generation at the end of December 2015.

Auction:

2017-18 (T-1) One Year Ahead Capacity Auction

Technical Capacity Information

Capacity Metrics

De-Rated Capacity (Component DB) N/A
De-Rated Capacity (CMU Registry) 0
Connection Capacity (CMU Registry) N/A
Anticipated Capacity (CMU Registry) 0 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

Raw Component Data

Field	Value
_id	589572
Type	T-1
rank	0.0573088
CMU ID	NDAWYL
Auction Name	2017-18 (T-1) One Year Ahead Capacity Auction
Component ID	T_WYLF-1
Delivery Year	2017
De-Rated Capacity	(empty)
OS Grid Reference	SH 350 938
Proven DSR Capacity	(empty)
Location and Post Code	Wylfa Site Cemas Ynys Môn LL67 0DH
Connection / DSR Capacity	(empty)
Primary Fuel of Component	(empty)
Generating Technology Class	(empty)
Description of CMU Components	Wylfa Nuclear power station is a Magnox power station standing on a 20.8 hectare site on the north coast of Anglesey between Holyhead and Amlwch (address is Wylfa Site- Cemas- Ynys Môn- LL67 0DH). The site has only one running reactor and two operational turbine generators. This power station is scheduled to close at the end of 2015. Wylfa power station has three meters for capturing demand (ref) T_WYLF-D1: T_WYLF-D2: T_WYLF-D3. Wylfa ceased Generation at the end of December 2015.
Permitted on-Site Generating Unit	(empty)
Pre-Refurbishing De-Rated Capacity	(empty)
Post-Refurbishing De-Rated Capacity	(empty)
Generating Capacity of on-site Generating Unit	(empty)

Raw CMU Data

Field	Value
_id	5956
Type	T-4
CMU ID	NDAWYL
Auction	Capacity Auction
Agent Name	(empty)
Beta Value	(empty)
Auction Name	2021-22 (T-4) Four Year Ahead Capacity Auction
CM Unit Name	Wylfa Nuclear Power Station
CM Unit Type	CMRS
TEC Deferral	(empty)
Unproven DSR	(empty)
Delivery Year	2021
Opt Out Status	Opt-Out
Opt-Out Reason	Closed down, decommissioned or otherwise non-operational by the start of the relevant Delivery Year
Parent Company	(empty)
DSR Test Method	(empty)
Is FCM required	(empty)
CM Unit Category	Existing Generating CMU
Storage Facility	No
De-Rated Capacity	(empty)
Name of Applicant	Nuclear Decommissioning Authority
Primary Fuel Type	(empty)
Registered Holder	(empty)
Annual Penalty Cap	(empty)
Monthly Penalty Cap	(empty)
Proven DSR Capacity	(empty)
DSR Bidding Capacity	(empty)
Amount of Credit Cover	(empty)
Termination Fee 1 Rate	(empty)
Termination Fee 2 Rate	(empty)
Termination Fee 3 Rate	(empty)
Termination Fee 4 Rate	(empty)
Termination Fee 5 Rate	(empty)
Connection / DSR Capacity	(empty)
Maximum Obligation Period	(empty)
Capacity Agreement Awarded	(empty)
Pre-Qualification Decision	(empty)
Capacity obligation Summary	(empty)
Pre-Refurbishing CMU Status	(empty)
Transmission / Distribution	Transmission
Unique Agreement Identifier	(empty)
New Build Yet to Satisfy FCM	(empty)
Planning Consents Conditions	(empty)
Anticipated De-Rated Capacity	(empty)
Term of the Capacity Agreement	(empty)
Nature of the Security Interest	(empty)
CMU confirmed entry into Auction	(empty)
Is Connection Agreement required	(empty)
Pre-Refurbishment Bidding Status	(empty)
Secondary Trading Contact - Email	[email protected]
Date for provision of deferred TEC	(empty)
Pre-Refurbishing De-Rated Capacity	(empty)
Date of Issue of Capacity Agreement	(empty)
List of Traded Capacity Obligations	(empty)
Post-Refurbishing De-Rated Capacity	(empty)
Auction Acquired Capacity Obligation	(empty)
Date of Issue of DSR Test Certificate	(empty)
Has Capacity Agreement been Suspended	(empty)
Period for which the transfer applies	(empty)
Secondary Trading Contact - Telephone	'+441925802409
Capacity Agreement has been Terminated	(empty)
Duration of Capacity Agreement Awarded	(empty)
Date for Financial Commitment Milestone	(empty)
Delivery Years for which Agreement Valid	(empty)
Connection Agreement Deferral Declaration	(empty)
Date of Termination of Capacity Agreement	(empty)
Latest Date SCM is expected to be achieved	(empty)
Subject to Substantial Completion Milestone	(empty)
Subject to a Minimum Completion Requirement	(empty)
Earliest Date SCM is expected to be achieved	(empty)
Is copy of Grid Connection Agreement required	(empty)
Anticipated Pre-Refurbishing De-Rated Capacity	(empty)
Anticipated Post-Refurbishing De-Rated Capacity	(empty)
Legal Name of any Person with a Security Interest	(empty)
Date for provision of deferred Connection Agreement	(empty)
Duration of Capacity Agreement in First Bidding Round	(empty)
Long-Stop Date for the Minimum Completion Requirement	(empty)