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Last update at: 2024-02-26T13:30:00+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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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
< 5 6 7 8 9 >
Atwick ATW_000000000000000000825_001 Active Planned Injection unavailability 2023-10-20T20:09:26+01:00 2024-06-28T05:00:00+01:00 2024-07-23T05:00:00+01:00 GWh/d 30 0 30 Planned Outage
Full site outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000495_002 Dismissed Planned Injection unavailability 2023-10-20T17:28:55+01:00 2024-07-01T05:00:00+01:00 2024-07-15T05:00:00+01:00 GWh/d 30 0 30 Planned Outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000495_001 Dismissed Planned Injection unavailability 2020-07-12T00:14:47+01:00 2024-07-01T05:00:00+01:00 2024-07-15T05:00:00+01:00 GWh/d 30 0 30 Planned Outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000803_002 Inactive Planned Injection unavailability 2023-10-10T15:41:40+01:00 2023-10-10T08:00:00+01:00 2023-10-10T15:41:00+01:00 GWh/d 30 0 30 Planned Outage
Injection - USM Validations(Day 2)
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000803_001 Dismissed Planned Injection unavailability 2023-09-05T09:57:41+01:00 2023-10-10T08:00:00+01:00 2023-10-10T17:00:00+01:00 GWh/d 30 0 30 Planned Outage
Injection - USM Validations(Day 2)
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000801_002 Inactive Planned Injection unavailability 2023-10-09T16:27:06+01:00 2023-10-09T08:00:00+01:00 2023-10-09T16:25:00+01:00 GWh/d 30 0 30 Planned Outage
Injection - USM Validations(Day 1)
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000801_001 Dismissed Planned Injection unavailability 2023-09-05T09:53:56+01:00 2023-10-09T08:00:00+01:00 2023-10-09T17:00:00+01:00 GWh/d 30 0 30 Planned Outage
Injection - USM Validations(Day 1)
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000814_002 Inactive Planned Injection unavailability 2023-10-04T10:57:14+01:00 2023-10-04T09:00:00+01:00 2023-10-04T10:50:00+01:00 GWh/d 30 0 30 Planned Outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000814_001 Dismissed Planned Injection unavailability 2023-09-29T15:39:05+01:00 2023-10-04T09:00:00+01:00 2023-10-04T11:00:00+01:00 GWh/d 30 0 30 Planned Outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000790_002 Dismissed Planned Injection unavailability 2023-08-30T09:46:25+01:00 2023-08-31T08:00:00+01:00 2023-08-31T16:00:00+01:00 GWh/d 30 0 30 Planned Outage
ESD Testing
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000790_001 Dismissed Planned Injection unavailability 2023-08-01T09:18:34+01:00 2023-08-31T08:00:00+01:00 2023-08-31T16:00:00+01:00 GWh/d 30 0 30 Planned Outage
ESD Testing
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000788_003 Inactive Planned Withdrawal unavailability 2023-08-15T07:21:49+01:00 2023-07-21T15:16:00+01:00 2023-08-15T07:21:00+01:00 GWh/d 30 70 130 Planned Outage
.
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000788_002 Dismissed Planned Withdrawal unavailability 2023-07-21T15:36:15+01:00 2023-07-21T15:16:00+01:00 2024-06-01T05:00:00+01:00 GWh/d 30 70 130 Planned Outage
.
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000788_001 Dismissed Planned Withdrawal unavailability 2023-07-21T15:24:47+01:00 2023-07-21T15:16:00+01:00 2024-06-01T05:00:00+01:00 GWh/d 30 70 130 Planned Outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000781_001 Active Planned Injection unavailability 2023-07-17T07:45:35+01:00 2027-07-01T05:00:00+01:00 2027-07-15T05:00:00+01:00 GWh/d 30 0 30 Planned Outage
2027 Full Site outage (Injection)
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000492_003 Inactive Planned Injection unavailability 2023-07-17T05:46:11+01:00 2023-06-30T05:00:00+01:00 2023-07-17T05:00:00+01:00 GWh/d 30 0 30 Planned Outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000492_002 Dismissed Planned Injection unavailability 2023-02-24T11:55:28+00:00 2023-06-30T05:00:00+01:00 2023-07-17T05:00:00+01:00 GWh/d 30 0 30 Planned Outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000492_001 Dismissed Planned Injection unavailability 2020-07-11T23:11:57+01:00 2023-07-01T05:00:00+01:00 2023-07-15T05:00:00+01:00 GWh/d 30 0 30 Planned Outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000751_002 Inactive Planned Injection unavailability 2023-07-17T05:44:50+01:00 2027-07-01T05:00:00+01:00 2027-07-15T05:00:00+01:00 GWh/d 30 0 30 Planned Outage
Annual Full Site Outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000751_001 Dismissed Planned Injection unavailability 2023-04-27T08:14:31+01:00 2027-07-01T05:00:00+01:00 2027-07-15T05:00:00+01:00 GWh/d 30 0 30 Planned Outage
Annual Full Site Outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000771_002 Dismissed Unplanned Withdrawal unavailability 2023-06-29T08:28:30+01:00 2023-06-28T18:55:00+01:00 2023-06-30T05:00:00+01:00 GWh/d 30 0 130 Failure
Withdrawal plant
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000771_001 Dismissed Unplanned Withdrawal unavailability 2023-06-28T18:57:06+01:00 2023-06-28T18:55:00+01:00 2023-06-29T12:00:00+01:00 GWh/d 30 0 130 Failure
Vortisep
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000749_001 Active Planned Injection unavailability 2023-04-27T08:11:12+01:00 2026-07-01T05:00:00+01:00 2026-07-15T05:00:00+01:00 GWh/d 30 0 30 Planned Outage
Annual Full Site outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000747_001 Active Planned Injection unavailability 2023-04-27T08:07:00+01:00 2025-07-01T05:00:00+01:00 2025-07-15T05:00:00+01:00 GWh/d 30 0 30 Planned Outage
Annual Full Site outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000734_007 Inactive Planned Injection unavailability 2023-03-31T11:56:18+01:00 2023-03-30T08:00:00+01:00 2023-03-31T11:55:00+01:00 GWh/d 30 0 30 Planned Outage
USM
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000734_006 Dismissed Planned Injection unavailability 2023-03-30T18:03:45+01:00 2023-03-30T08:00:00+01:00 2023-03-31T16:00:00+01:00 GWh/d 30 0 30 Planned Outage
USM
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000734_002 Dismissed Planned Injection unavailability 2023-03-24T15:02:36+00:00 2023-03-30T08:00:00+01:00 2023-03-30T16:00:00+01:00 GWh/d 30 0 30 Planned Outage
USM
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000734_001 Dismissed Planned Injection unavailability 2023-03-22T10:27:02+00:00 2023-03-29T08:00:00+01:00 2023-03-29T16:00:00+01:00 GWh/d 30 0 30 Planned Outage
USM
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000732_007 Inactive Unplanned Injection unavailability 2023-02-23T14:17:52+00:00 2023-02-10T09:49:00+00:00 2023-02-23T14:16:00+00:00 GWh/d 30 0 30 Failure
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000732_006 Dismissed Unplanned Injection unavailability 2023-02-17T14:22:11+00:00 2023-02-10T09:49:00+00:00 2023-02-23T17:00:00+00:00 GWh/d 30 0 30 Failure
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000732_005 Dismissed Unplanned Injection unavailability 2023-02-14T17:42:26+00:00 2023-02-10T09:49:00+00:00 2023-02-20T17:00:00+00:00 GWh/d 30 0 30 Failure
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000732_004 Dismissed Unplanned Injection unavailability 2023-02-13T12:47:36+00:00 2023-02-10T09:49:00+00:00 2023-02-15T17:00:00+00:00 GWh/d 30 0 30 Failure
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000732_003 Dismissed Unplanned Injection unavailability 2023-02-10T15:26:40+00:00 2023-02-10T09:49:00+00:00 2023-02-13T17:00:00+00:00 GWh/d 30 0 30 Failure
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000732_002 Dismissed Unplanned Injection unavailability 2023-02-10T14:31:55+00:00 2023-02-10T09:49:00+00:00 2023-02-11T17:00:00+00:00 GWh/d 30 0 30 Failure
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000732_001 Dismissed Unplanned Injection unavailability 2023-02-10T10:01:41+00:00 2023-02-10T09:49:00+00:00 2023-02-10T16:00:00+00:00 GWh/d 30 0 30 Failure
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000688_002 Inactive Planned Injection unavailability 2022-10-21T15:32:06+01:00 2022-10-21T08:30:00+01:00 2022-10-21T15:25:00+01:00 GWh/d 30 0 30 Planned Outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000688_001 Dismissed Planned Injection unavailability 2022-09-21T08:50:52+01:00 2022-10-21T08:30:00+01:00 2022-10-21T16:30:00+01:00 GWh/d 30 0 30 Planned Outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000686_002 Inactive Planned Injection unavailability 2022-10-20T16:24:05+01:00 2022-10-20T08:30:00+01:00 2022-10-20T16:20:00+01:00 GWh/d 30 0 30 Planned Outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000686_001 Dismissed Planned Injection unavailability 2022-09-21T08:37:44+01:00 2022-10-20T08:30:00+01:00 2022-10-20T16:30:00+01:00 GWh/d 30 0 30 Planned Outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000692_002 Inactive Unplanned Injection unavailability 2022-09-27T08:36:10+01:00 2022-09-27T08:00:00+01:00 2022-09-27T08:35:00+01:00 GWh/d 30 0 30 Failure
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000692_001 Dismissed Unplanned Injection unavailability 2022-09-27T08:19:15+01:00 2022-09-27T08:00:00+01:00 2022-09-27T12:00:00+01:00 GWh/d 30 0 30 Failure
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_000000000000000000489_004 Inactive Planned Injection unavailability 2022-07-19T18:02:28+01:00 2022-07-01T05:00:00+01:00 2022-07-19T17:58:00+01:00 GWh/d 30 0 30 Planned Outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000489_003 Dismissed Planned Injection unavailability 2022-06-27T09:19:11+01:00 2022-07-01T05:00:00+01:00 2022-07-19T18:00:00+01:00 GWh/d 30 0 30 Planned Outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000489_002 Dismissed Planned Injection unavailability 2022-02-17T10:59:54+00:00 2022-07-01T05:00:00+01:00 2022-07-25T05:00:00+01:00 GWh/d 30 0 30 Planned Outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000489_001 Dismissed Planned Injection unavailability 2020-07-11T21:45:24+01:00 2022-07-01T05:00:00+01:00 2022-07-15T05:00:00+01:00 GWh/d 30 0 30 Planned Outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000664_005 Inactive Unplanned Injection unavailability 2022-04-05T15:25:18+01:00 2022-04-04T07:00:00+01:00 2022-04-05T15:30:00+01:00 GWh/d 30 0 30 Failure
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK
Atwick ATW_000000000000000000664_004 Dismissed Unplanned Injection unavailability 2022-04-04T16:27:34+01:00 2022-04-04T07:00:00+01:00 2022-04-05T16:00:00+01:00 GWh/d 30 0 30 Failure
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
A0001033U.UK