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Last update at: 2024-09-17T13:30:00+01:00

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Gas Storage: Historical Outages (https://www.ssehl.co.uk/HALO/)
  

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Date of event: From date:
To date:
Event Status Type Of Unavailability Type of Event
Affected Asset or Unit Affected Asset or Unit EIC Code
Affected Asset or Unit Message ID Event Status Type Of Unavailability Type Of Event Publication Date/Time Event Start Event Stop Unit of Measurement Unavailable Capacity Available Capacity Technical Capacity Reason Of Unavailability Remarks Balancing Zone Affected Asset or Unit EIC Code Market Participant Market Participant Code
< 3 4 5 6 7 >
Aldbrough ALD_000000000000000000853_001 Active Planned Withdrawal unavailability 2023-11-27T13:17:17+00:00 2025-05-04T05:00:00+01:00 2025-05-10T05:00:00+01:00 GWh/d 121.5 220.8 342.3 Planned Outage
Production train 2 outage.
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000852_001 Active Planned Withdrawal unavailability 2023-11-27T13:13:23+00:00 2025-05-10T05:00:00+01:00 2025-06-14T18:00:00+01:00 GWh/d 342.3 0 342.3 Planned Outage
Full site outage. Withdrawal.
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000851_001 Active Planned Injection unavailability 2023-11-27T13:10:39+00:00 2025-05-10T05:00:00+01:00 2025-06-14T18:00:00+01:00 GWh/d 311.56 0 311.56 Planned Outage
Full site outage. Injection.
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000840_003 Inactive Planned Withdrawal unavailability 2023-11-27T11:02:46+00:00 2023-11-18T05:00:00+00:00 2023-11-27T10:00:00+00:00 GWh/d 100 30 130 Planned Outage
Regen Heater Maintenance
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000840_002 Dismissed Planned Withdrawal unavailability 2023-11-23T09:35:32+00:00 2023-11-18T05:00:00+00:00 2023-11-27T10:00:00+00:00 GWh/d 100 30 130 Planned Outage
Regen Heater Maintenance
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000840_001 Dismissed Planned Withdrawal unavailability 2023-11-10T17:54:08+00:00 2023-11-18T05:00:00+00:00 2023-11-28T18:00:00+00:00 GWh/d 100 30 130 Planned Outage
Regen Heater Maintenance
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000844_002 Inactive Planned Injection unavailability 2023-11-23T15:53:49+00:00 2023-11-23T12:00:00+00:00 2023-11-23T15:55:00+00:00 GWh/d 311.56 0 311.56 Planned Outage
PCS download
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000844_001 Dismissed Planned Injection unavailability 2023-11-15T10:33:20+00:00 2023-11-23T12:00:00+00:00 2023-11-23T16:00:00+00:00 GWh/d 311.56 0 311.56 Planned Outage
PCS download
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000845_002 Inactive Planned Withdrawal unavailability 2023-11-23T15:53:30+00:00 2023-11-23T12:00:00+00:00 2023-11-23T15:55:00+00:00 GWh/d 342.3 0 342.3 Planned Outage
PCS Download
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000845_001 Dismissed Planned Withdrawal unavailability 2023-11-15T10:34:42+00:00 2023-11-23T12:00:00+00:00 2023-11-23T16:00:00+00:00 GWh/d 342.3 0 342.3 Planned Outage
PCS Download
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000841_003 Dismissed Planned Withdrawal unavailability 2023-11-13T08:15:45+00:00 2023-11-16T05:00:00+00:00 2023-11-18T05:00:00+00:00 GWh/d 30 100 130 Planned Outage
Phase 6 reduction
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000841_002 Dismissed Planned Withdrawal unavailability 2023-11-10T18:10:45+00:00 2023-11-16T05:00:00+00:00 2023-11-18T05:00:00+00:00 GWh/d 30 100 130 Planned Outage
Phase 6 reduction
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000841_001 Dismissed Planned Withdrawal unavailability 2023-11-10T18:05:48+00:00 2023-11-16T05:00:00+00:00 2023-11-28T05:00:00+00:00 GWh/d 30 100 130 Planned Outage
Phase 6 reduction
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000836_002 Inactive Planned Injection unavailability 2023-11-10T17:02:31+00:00 2023-11-09T12:00:00+00:00 2023-11-10T16:00:00+00:00 GWh/d 111.02 200.54 311.56 Planned Outage
Gas compressor 2. Motor air purge.
21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000836_001 Dismissed Planned Injection unavailability 2023-11-08T15:24:31+00:00 2023-11-09T12:00:00+00:00 2023-11-10T16:00:00+00:00 GWh/d 111.02 200.54 311.56 Planned Outage
Gas compressor 2. Motor air purge.
21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000483_005 Active Planned Injection unavailability 2023-11-10T08:26:00+00:00 2024-10-27T05:00:00+00:00 2024-11-09T18:00:00+00:00 GWh/d 111.02 200.54 311.56 Planned Outage
Comp 1 Outage. L3
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000483_004 Dismissed Planned Injection unavailability 2023-11-10T08:17:37+00:00 2024-10-29T05:00:00+00:00 2024-11-09T18:00:00+00:00 GWh/d 111.02 200.54 311.56 Planned Outage
Comp 1 Outage. L3
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000483_003 Dismissed Planned Injection unavailability 2023-11-01T08:36:22+00:00 2024-10-29T05:00:00+00:00 2024-11-11T18:00:00+00:00 GWh/d 111.02 200.54 311.56 Planned Outage
Comp 1 Outage. L3
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000483_002 Dismissed Planned Injection unavailability 2023-07-06T11:08:36+01:00 2024-10-14T05:00:00+01:00 2024-10-19T05:00:00+01:00 GWh/d 111.02 200.54 311.56 Planned Outage
Comp 1 Outage.
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000483_001 Dismissed Planned Injection unavailability 2020-07-11T16:37:34+01:00 2024-10-14T05:00:00+01:00 2024-10-19T05:00:00+01:00 GWh/d 111.02 200.54 311.56 Planned Outage
Comp 1 Outage
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000834_002 Active Planned Injection unavailability 2023-11-10T08:09:26+00:00 2024-10-26T05:00:00+01:00 2024-10-26T18:00:00+01:00 GWh/d 111.02 200.54 311.56 Planned Outage
Gas compressor 3. Siemens maintenance
21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000834_001 Dismissed Planned Injection unavailability 2023-11-01T08:41:27+00:00 2024-11-28T05:00:00+00:00 2024-11-28T18:00:00+00:00 GWh/d 111.02 200.54 311.56 Planned Outage
Gas compressor 3. Siemens maintenance
21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000484_005 Active Planned Injection unavailability 2023-11-10T08:06:56+00:00 2024-10-21T05:00:00+01:00 2024-10-25T18:00:00+01:00 GWh/d 111.02 200.54 311.56 Planned Outage
Comp 2 Outage. L1
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000484_004 Dismissed Planned Injection unavailability 2023-11-10T08:03:27+00:00 2024-10-21T05:00:00+01:00 2024-11-25T18:00:00+00:00 GWh/d 111.02 200.54 311.56 Planned Outage
Comp 2 Outage. L1
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000484_003 Dismissed Planned Injection unavailability 2023-11-01T08:34:57+00:00 2024-10-21T05:00:00+01:00 2024-11-27T18:00:00+00:00 GWh/d 111.02 200.54 311.56 Planned Outage
Comp 2 Outage. L2
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000484_002 Dismissed Planned Injection unavailability 2023-07-06T11:09:25+01:00 2024-10-27T05:00:00+00:00 2024-11-03T05:00:00+00:00 GWh/d 111.02 200.54 311.56 Planned Outage
Comp 2 Outage.
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000484_001 Dismissed Planned Injection unavailability 2020-07-11T16:40:06+01:00 2024-10-27T05:00:00+00:00 2024-11-03T05:00:00+00:00 GWh/d 111.02 200.54 311.56 Planned Outage
Comp 2 Outage
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000476_003 Inactive Planned Injection unavailability 2023-11-09T13:02:32+00:00 2023-10-29T05:00:00+00:00 2023-11-09T12:00:00+00:00 GWh/d 111.02 200.54 311.56 Planned Outage
Comp 1 Outage
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000476_002 Dismissed Planned Injection unavailability 2023-11-07T15:14:46+00:00 2023-10-29T05:00:00+00:00 2023-11-09T12:00:00+00:00 GWh/d 111.02 200.54 311.56 Planned Outage
Comp 1 Outage
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000476_001 Dismissed Planned Injection unavailability 2020-07-11T16:14:57+01:00 2023-10-29T05:00:00+00:00 2023-11-08T05:00:00+00:00 GWh/d 111.02 200.54 311.56 Planned Outage
Comp 1 Outage
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000780_008 Inactive Planned Withdrawal unavailability 2023-11-06T17:44:04+00:00 2023-07-17T05:00:00+01:00 2023-11-06T17:30:00+00:00 GWh/d 60 70 130 Planned Outage
Vortisep / Phase 6
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000780_007 Dismissed Planned Withdrawal unavailability 2023-10-31T16:06:31+00:00 2023-07-17T05:00:00+01:00 2023-11-06T18:00:00+00:00 GWh/d 60 70 130 Planned Outage
Vortisep / Phase 6
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000780_006 Dismissed Planned Withdrawal unavailability 2023-09-15T09:17:54+01:00 2023-07-17T05:00:00+01:00 2023-10-31T18:00:00+00:00 GWh/d 60 70 130 Planned Outage
Vortisep / Phase 6
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000780_005 Dismissed Planned Withdrawal unavailability 2023-08-23T17:47:48+01:00 2023-07-17T05:00:00+01:00 2023-09-30T18:00:00+01:00 GWh/d 60 70 130 Planned Outage
Vortisep / Phase 6
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000780_004 Dismissed Planned Withdrawal unavailability 2023-08-15T07:17:26+01:00 2023-07-17T05:00:00+01:00 2023-08-31T18:00:00+01:00 GWh/d 60 70 130 Planned Outage
Vortisep / Phase 6
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000780_003 Dismissed Planned Withdrawal unavailability 2023-08-10T07:56:01+01:00 2023-07-17T05:00:00+01:00 2023-08-31T18:00:00+01:00 GWh/d 30 100 130 Planned Outage
Vortisep
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000780_002 Dismissed Planned Withdrawal unavailability 2023-07-14T13:24:10+01:00 2023-07-17T05:00:00+01:00 2023-08-14T18:00:00+01:00 GWh/d 30 100 130 Planned Outage
Vortisep
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000780_001 Dismissed Planned Withdrawal unavailability 2023-07-10T10:17:37+01:00 2023-07-17T05:00:00+01:00 2023-07-24T18:00:00+01:00 GWh/d 30 100 130 Planned Outage
Vortisep
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000485_003 Active Planned Injection unavailability 2023-11-01T08:33:49+00:00 2024-10-14T05:00:00+01:00 2024-10-18T18:00:00+01:00 GWh/d 111.02 200.54 311.56 Planned Outage
Comp 3 Outage. L1
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000485_002 Dismissed Planned Injection unavailability 2023-07-06T11:10:28+01:00 2024-10-21T05:00:00+01:00 2024-10-26T05:00:00+01:00 GWh/d 111.02 200.54 311.56 Planned Outage
Comp 3 Outage.
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000485_001 Dismissed Planned Injection unavailability 2020-07-11T16:42:39+01:00 2024-10-21T05:00:00+01:00 2024-10-26T05:00:00+01:00 GWh/d 111.02 200.54 311.56 Planned Outage
Comp 3 Outage
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000822_006 Inactive Planned Injection unavailability 2023-10-29T16:12:12+00:00 2023-10-28T05:00:00+01:00 2023-10-29T16:00:00+00:00 GWh/d 111.02 200.54 311.56 Planned Outage
Siemens electrical maintenance
21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000822_005 Dismissed Planned Injection unavailability 2023-10-29T13:34:03+00:00 2023-10-28T05:00:00+01:00 2023-10-29T16:00:00+00:00 GWh/d 111.02 200.54 311.56 Planned Outage
Siemens electrical maintenance
21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000822_004 Dismissed Planned Injection unavailability 2023-10-29T11:08:05+00:00 2023-10-28T05:00:00+01:00 2023-10-29T14:00:00+00:00 GWh/d 111.02 200.54 311.56 Planned Outage
Siemens electrical maintenance
21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000822_003 Dismissed Planned Injection unavailability 2023-10-28T20:37:08+01:00 2023-10-28T05:00:00+01:00 2023-10-29T12:00:00+00:00 GWh/d 111.02 200.54 311.56 Planned Outage
Siemens electrical maintenance
21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000822_002 Dismissed Planned Injection unavailability 2023-10-28T17:54:42+01:00 2023-10-28T05:00:00+01:00 2023-10-28T22:00:00+01:00 GWh/d 111.02 200.54 311.56 Planned Outage
Siemens electrical maintenance
21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000822_001 Dismissed Planned Injection unavailability 2023-10-18T14:11:06+01:00 2023-10-28T05:00:00+01:00 2023-10-28T18:00:00+01:00 GWh/d 111.02 200.54 311.56 Planned Outage
Siemens electrical maintenance
21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000478_002 Inactive Planned Injection unavailability 2023-10-27T23:16:53+01:00 2023-10-23T05:00:00+01:00 2023-10-27T23:00:00+01:00 GWh/d 111.02 200.54 311.56 Planned Outage
Comp 3 Outage
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000478_001 Dismissed Planned Injection unavailability 2020-07-11T16:22:41+01:00 2023-10-23T05:00:00+01:00 2023-10-28T05:00:00+01:00 GWh/d 111.02 200.54 311.56 Planned Outage
Comp 3 Outage
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000821_002 Inactive Planned Storage unavailability 2023-10-24T16:45:00+01:00 2023-10-23T09:00:00+01:00 2023-10-24T16:40:00+01:00 TWh 0.390799835 3.077844865 3.4686447 Planned Outage
Cavity 3 - 6 Monthly Wellhead maintenance
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Explanation
The information that is set out on these pages is provided pursuant to Regulation (EU) 1227/2011 and associated guidance. The provision, reading or use of the information neither establishes a contract nor creates a unilateral guarantee. Nor does the provision of information constitute the furnishing of investment advice, or an invitation to buy or sell goods, derivatives or (other) financial instruments. If any provisions of this disclaimer shall be unlawful, void or for any reason unenforceable then that provision shall be deemed severable and shall not affect the validity and enforceability of the remaining provisions. This disclaimer is given on the basis of English law and shall be subject to the exclusive jurisdictions of the English courts. Historical UMMs as previously published can be located within the public area of our website – https://www.ssehl.co.uk/HALO. An explanation of how we calculate our maximum technical capacities and how we measure is available from https://www.ssehl.co.uk/HALO.