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Last update at: 2024-11-01T16:00:00+00:00

**Please note that the last update time shown is rounded to the next market interval of 30 minutes

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

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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
< 4 5 6 7 8 >
Atwick ATW_000000000000000000791_010 Dismissed Planned Withdrawal unavailability 2024-01-15T19:13:50+00:00 2024-01-15T19:30:00+00:00 2024-06-01T05:00:00+01:00 GWh/d 30 100 130 Planned Outage
Phase 6 reduction
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000791_009 Dismissed Planned Withdrawal unavailability 2024-01-15T16:59:22+00:00 2024-01-15T22:00:00+00:00 2024-06-01T05:00:00+01:00 GWh/d 30 100 130 Planned Outage
Phase 6 reduction
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000791_008 Dismissed Planned Withdrawal unavailability 2023-12-05T07:51:11+00:00 2024-01-15T18:00:00+00:00 2024-06-01T05:00:00+01:00 GWh/d 30 100 130 Planned Outage
Phase 6 reduction
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000791_007 Dismissed Planned Withdrawal unavailability 2023-11-23T09:43:25+00:00 2023-12-19T18:00:00+00:00 2024-06-01T05:00:00+01:00 GWh/d 30 100 130 Planned Outage
Phase 6 reduction
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000791_006 Dismissed Planned Withdrawal unavailability 2023-11-10T17:49:02+00:00 2023-11-28T18:00:00+00:00 2024-06-01T05:00:00+01:00 GWh/d 30 100 130 Planned Outage
Phase 6 reduction
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000791_005 Dismissed Planned Withdrawal unavailability 2023-11-06T17:49:25+00:00 2023-11-16T05:00:00+00:00 2024-06-01T05:00:00+01:00 GWh/d 30 100 130 Planned Outage
Phase 6 reduction
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000791_004 Dismissed Planned Withdrawal unavailability 2023-10-31T16:07:47+00:00 2023-11-06T18:00:00+00:00 2024-06-01T05:00:00+01:00 GWh/d 30 100 130 Planned Outage
Phase 6 reduction
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000791_003 Dismissed Planned Withdrawal unavailability 2023-09-20T09:12:42+01:00 2023-10-31T18:00:00+00:00 2024-06-01T05:00:00+01:00 GWh/d 30 100 130 Planned Outage
Phase 6 reduction
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000791_002 Dismissed Planned Withdrawal unavailability 2023-08-23T17:56:14+01:00 2023-09-30T18:00:00+01:00 2024-06-01T05:00:00+01:00 GWh/d 30 100 130 Planned Outage
Phase 6 reduction
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000791_001 Dismissed Planned Withdrawal unavailability 2023-08-15T07:20:58+01:00 2023-08-31T18:00:00+01:00 2024-06-01T05:00:00+01:00 GWh/d 30 100 130 Planned Outage
Phase 6 reduction
21YGB-UKGASGRIDW 55WATWICK-SSE00J
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
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
Atwick ATW_000000000000000000828_002 Dismissed Planned Withdrawal unavailability 2023-10-21T11:02:55+01:00 2024-08-31T05:00:00+01:00 2024-09-29T18:00:00+01:00 GWh/d 30 100 130 Planned Outage
Vortisep outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000828_001 Dismissed Planned Withdrawal unavailability 2023-10-21T10:59:07+01:00 2024-08-31T05:00:00+01:00 2024-09-29T18:00:00+01:00 GWh/d 30 100 130 Planned Outage
Vortisep outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000640_003 Inactive Unplanned Withdrawal unavailability 2022-08-01T06:02:33+01:00 2022-01-22T05:00:00+00:00 2022-08-01T05:00:00+01:00 GWh/d 30 100 130 Failure
This capacity will be available for limited durations but may not always be responsive to price signals
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000640_002 Dismissed Unplanned Withdrawal unavailability 2022-01-28T11:28:46+00:00 2022-01-22T05:00:00+00:00 2022-08-01T05:00:00+01:00 GWh/d 30 100 130 Failure
This capacity will be available for limited durations but may not always be responsive to price signals
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000640_001 Dismissed Unplanned Withdrawal unavailability 2022-01-21T11:27:54+00:00 2022-01-22T05:00:00+00:00 2022-01-29T05:00:00+00:00 GWh/d 30 100 130 Failure
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000638_001 Dismissed Planned Withdrawal unavailability 2022-01-17T17:42:42+00:00 2022-01-18T08:00:00+00:00 2022-01-18T18:00:00+00:00 GWh/d 32.4 97.6 130 Planned Outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000637_002 Inactive Unplanned Withdrawal unavailability 2022-01-17T17:02:11+00:00 2022-01-17T12:30:00+00:00 2022-01-17T17:05:00+00:00 GWh/d 32.4 97.6 130 Failure
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000637_001 Dismissed Unplanned Withdrawal unavailability 2022-01-17T12:38:24+00:00 2022-01-17T12:30:00+00:00 2022-01-17T18:00:00+00:00 GWh/d 32.4 97.6 130 Failure
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000617_002 Inactive Unplanned Withdrawal unavailability 2021-11-25T12:02:38+00:00 2021-11-24T10:22:00+00:00 2021-11-25T12:00:00+00:00 GWh/d 32.4 97.6 130 Failure
Vortisep unavailable
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000617_001 Dismissed Unplanned Withdrawal unavailability 2021-11-24T10:31:03+00:00 2021-11-24T10:22:00+00:00 2021-11-25T18:00:00+00:00 GWh/d 32.4 97.6 130 Failure
Vortisep unavailable
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000728_002 Inactive Unplanned Withdrawal unavailability 2023-01-18T16:01:03+00:00 2023-01-18T11:10:00+00:00 2023-01-18T16:00:00+00:00 GWh/d 39 91 130 Failure
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000728_001 Dismissed Unplanned Withdrawal unavailability 2023-01-18T11:09:35+00:00 2023-01-18T11:10:00+00:00 2023-01-18T16:00:00+00:00 GWh/d 39 91 130 Failure
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000905_002 Active Planned Withdrawal unavailability 2024-10-16T09:02:25+01:00 2024-04-09T08:50:00+01:00 2025-06-26T05:00:00+01:00 GWh/d 40 90 130 Planned Outage
Phase 6 Reduction
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000905_001 Dismissed Planned Withdrawal unavailability 2024-04-09T08:51:41+01:00 2024-04-09T08:50:00+01:00 2025-07-01T05:00:00+01:00 GWh/d 40 90 130 Planned Outage
Phase 6 Reduction
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Aldbrough ALD_000000000000000000763_005 Inactive Unplanned Withdrawal unavailability 2023-06-28T09:08:32+01:00 2023-06-06T09:45:00+01:00 2023-06-28T09:10:00+01:00 GWh/d 253.9 88.4 342.3 Failure
Reduction in max flow.
21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
A0001033U.UK
Aldbrough ALD_000000000000000000763_004 Dismissed Unplanned Withdrawal unavailability 2023-06-22T11:32:01+01:00 2023-06-06T09:45:00+01:00 2023-06-28T18:00:00+01:00 GWh/d 253.9 88.4 342.3 Failure
Reduction in max flow.
21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
A0001033U.UK
Aldbrough ALD_000000000000000000763_003 Dismissed Unplanned Withdrawal unavailability 2023-06-13T17:24:42+01:00 2023-06-06T09:45:00+01:00 2023-06-23T18:00:00+01:00 GWh/d 253.9 88.4 342.3 Failure
Reduction in max flow.
21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000649_001 Dismissed Planned Withdrawal unavailability 2022-02-17T11:28:04+00:00 2022-06-15T05:00:00+01:00 2022-07-01T05:00:00+01:00 GWh/d 47 83 130 Planned Outage
Stream 7 outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000648_004 Dismissed Planned Withdrawal unavailability 2022-02-17T11:26:00+00:00 2022-05-07T05:00:00+01:00 2022-05-26T05:00:00+01:00 GWh/d 47 83 130 Planned Outage
Stream 8 outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000648_003 Dismissed Planned Withdrawal unavailability 2022-02-17T11:23:16+00:00 2022-05-07T05:00:00+01:00 2022-05-26T05:00:00+01:00 GWh/d 17 83 130 Planned Outage
Stream 8 outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000693_001 Inactive Planned Withdrawal unavailability 2022-10-01T14:23:11+01:00 2022-09-21T16:20:00+01:00 2022-10-01T14:15:00+01:00 GWh/d 48.25 81.75 130 Failure
.
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000824_002 Inactive Planned Withdrawal unavailability 2024-06-28T06:02:31+01:00 2024-06-19T05:00:00+01:00 2024-06-28T05:00:00+01:00 GWh/d 48.33 81.67 130 Planned Outage
stream 8 - outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000824_001 Dismissed Planned Withdrawal unavailability 2023-10-20T19:56:33+01:00 2024-06-19T05:00:00+01:00 2024-06-28T05:00:00+01:00 GWh/d 48.33 81.67 130 Planned Outage
stream 8 - outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000823_002 Inactive Planned Withdrawal unavailability 2024-06-08T12:30:10+01:00 2024-06-01T05:00:00+01:00 2024-06-08T12:00:00+01:00 GWh/d 48.33 81.67 130 Planned Outage
Stream 7 - outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000823_001 Dismissed Planned Withdrawal unavailability 2023-10-20T19:45:15+01:00 2024-06-01T05:00:00+01:00 2024-06-11T18:00:00+01:00 GWh/d 48.33 81.67 130 Planned Outage
Stream 7 - outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000690_005 Dismissed Unplanned Withdrawal unavailability 2022-10-01T14:14:07+01:00 2022-09-21T16:20:00+01:00 2022-10-01T18:00:00+01:00 GWh/d 48.72 81.28 130 Failure
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000690_004 Dismissed Unplanned Withdrawal unavailability 2022-09-30T17:27:44+01:00 2022-09-21T16:20:00+01:00 2022-10-01T18:00:00+01:00 GWh/d 48.72 81.28 130 Failure
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000690_003 Dismissed Unplanned Withdrawal unavailability 2022-09-22T15:00:03+01:00 2022-09-21T16:20:00+01:00 2022-09-30T18:00:00+01:00 GWh/d 48.72 81.28 130 Failure
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000690_002 Dismissed Unplanned Withdrawal unavailability 2022-09-22T13:25:52+01:00 2022-09-21T16:20:00+01:00 2022-09-22T16:30:00+01:00 GWh/d 48.72 81.28 130 Failure
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000690_001 Dismissed Unplanned Withdrawal unavailability 2022-09-21T16:31:30+01:00 2022-09-21T16:20:00+01:00 2022-09-22T14:30:00+01:00 GWh/d 48.72 81.28 130 Failure
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000636_002 Inactive Unplanned Withdrawal unavailability 2022-01-19T17:41:13+00:00 2022-01-18T06:00:00+00:00 2022-01-19T17:30:00+00:00 GWh/d 48.72 81.28 130 Failure
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000636_001 Dismissed Unplanned Withdrawal unavailability 2022-01-14T10:20:41+00:00 2022-01-18T06:00:00+00:00 2022-01-19T18:00:00+00:00 GWh/d 48.72 81.28 130 Failure
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000972_001 Active Planned Withdrawal unavailability 2024-10-11T09:32:32+01:00 2025-06-18T05:00:00+01:00 2025-06-26T05:00:00+01:00 GWh/d 50 80 130 Planned Outage
.
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000971_001 Active Planned Withdrawal unavailability 2024-10-11T09:30:56+01:00 2025-05-31T05:00:00+01:00 2025-06-09T18:00:00+01:00 GWh/d 50 80 130 Planned Outage
.
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK