EDF Energy, Heysham 1 power station, Morecambe, Lancashire, LA3 2XH - Heysham 1 Power Station CMU 2: [HY1224] T_HEYM12

Component ID: HEYM12

Last updated: 16 Jul 2025 09:10 UTC

Location:

EDF Energy, Heysham 1 power station, Morecambe, Lancashire, LA3 2XH

Company:

EDF Energy Nuclear Generation Limited

CMU ID:

HEYM12

Technology:

Nuclear

Primary Fuel:

Nuclear

Description:

Heysham 1 Power Station CMU 2: [HY1224] T_HEYM12

Auction:

2025-26 (T-1) One Year Ahead Capacity Auction

Technical Capacity Information

Capacity Metrics

De-Rated Capacity (Component DB) 427.36 MW
De-Rated Capacity (CMU Registry) 474.93
Connection Capacity (CMU Registry) 577 MW
Anticipated Capacity (CMU Registry) 474.93 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	470251
Type	T-1
rank	0.0706241
CMU ID	HY1224
Auction Name	2025-26 (T-1) One Year Ahead Capacity Auction
Component ID	T_HEYM12
Delivery Year	2025
De-Rated Capacity	427.362
OS Grid Reference	SD 400 598
Location and Post Code	EDF Energy, Heysham 1 power station, Morecambe, Lancashire, LA3 2XH
Connection / DSR Capacity	566.493
Primary Fuel of Component	Nuclear
Generating Technology Class	Nuclear
Description of CMU Components	Heysham 1 Power Station CMU 2: [HY1224] T_HEYM12
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	2992
Type	T-4
CMU ID	HEYM12
Auction	Capacity Auction
Agent Name	(empty)
Beta Value	(empty)
Auction Name	2019-20 (T-4) Four Year Ahead Capacity Auction
CM Unit Name	Heysham 1 Power Station CMU 2
CM Unit Type	CMRS
TEC Deferral	(empty)
Unproven DSR	(empty)
Delivery Year	2019
Opt Out Status	Opt-In
Opt-Out Reason	N/A
Parent Company	(empty)
DSR Test Method	(empty)
Is FCM required	(empty)
CM Unit Category	Existing Generating CMU
Storage Facility	(empty)
De-Rated Capacity	474.929
Name of Applicant	EDF Energy Nuclear Generation Limited
Primary Fuel Type	(empty)
Registered Holder	EDF Energy Nuclear Generation Limited
Annual Penalty Cap	1
Monthly Penalty Cap	2
Proven DSR Capacity	(empty)
DSR Bidding Capacity	(empty)
Amount of Credit Cover	(empty)
Termination Fee 1 Rate	£5,000/MW
Termination Fee 2 Rate	£25,000/MW
Termination Fee 3 Rate	(empty)
Termination Fee 4 Rate	(empty)
Termination Fee 5 Rate	(empty)
Connection / DSR Capacity	577
Maximum Obligation Period	1
Capacity Agreement Awarded	Yes
Pre-Qualification Decision	Prequalified
Capacity obligation Summary	(empty)
Pre-Refurbishing CMU Status	(empty)
Transmission / Distribution	Transmission
Unique Agreement Identifier	CAN-A-T-4-2019-HEYM12-00001
New Build Yet to Satisfy FCM	(empty)
Planning Consents Conditions	(empty)
Anticipated De-Rated Capacity	474.929
Term of the Capacity Agreement	1
Nature of the Security Interest	(empty)
CMU confirmed entry into Auction	N/A
Is Connection Agreement required	(empty)
Pre-Refurbishment Bidding Status	(empty)
Secondary Trading Contact - Email	(empty)
Date for provision of deferred TEC	(empty)
Pre-Refurbishing De-Rated Capacity	(empty)
Date of Issue of Capacity Agreement	2016-01-13
List of Traded Capacity Obligations	(empty)
Post-Refurbishing De-Rated Capacity	(empty)
Auction Acquired Capacity Obligation	474.929
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	(empty)
Capacity Agreement has been Terminated	(empty)
Duration of Capacity Agreement Awarded	1
Date for Financial Commitment Milestone	(empty)
Delivery Years for which Agreement Valid	2019/2020
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	1
Long-Stop Date for the Minimum Completion Requirement	(empty)