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Last update at: 2024-04-21T16:00:00+01:00

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

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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
< 2 3 4 5 6 >
Atwick ATW_000000000000000000572_002 Dismissed Planned Storage unavailability 2021-04-26T09:02:05+01:00 2021-04-20T06:00:00+01:00 2021-04-28T13:00:00+01:00 TWh 0.459452982 2.873066418 3.3325194 Planned Outage
Cavity 6
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000572_001 Dismissed Planned Storage unavailability 2021-04-14T13:35:11+01:00 2021-04-20T06:00:00+01:00 2021-04-26T18:00:00+01:00 TWh 0.459452982 2.873066418 3.3325194 Planned Outage
Cavity 6
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000584_002 Inactive Unplanned Storage unavailability 2021-05-11T17:44:38+01:00 2021-05-11T11:30:00+01:00 2021-05-11T17:30:00+01:00 TWh 0.4595 2.8730194 3.3325194 Failure
Methanol pump failure. Cavity unavailable for withdrawal.
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000584_001 Dismissed Unplanned Storage unavailability 2021-05-11T11:46:57+01:00 2021-05-11T11:30:00+01:00 2021-05-12T16:00:00+01:00 TWh 0.4595 2.8730194 3.3325194 Failure
Methanol pump failure. Cavity unavailable for withdrawal.
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000581_002 Dismissed Planned Storage unavailability 2021-05-27T16:14:36+01:00 2021-05-24T05:00:00+01:00 2021-05-27T16:20:00+01:00 TWh 0.459502528 2.873016872 3.3325194 Planned Outage
Cavity 8
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000581_001 Dismissed Planned Storage unavailability 2021-05-05T15:54:24+01:00 2021-05-24T05:00:00+01:00 2021-05-27T18:00:00+01:00 TWh 0.459502528 2.873016872 3.3325194 Planned Outage
Cavity 8
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000579_004 Inactive Unplanned Storage unavailability 2021-04-29T13:58:35+01:00 2021-04-29T05:42:00+01:00 2021-04-29T13:58:00+01:00 TWh 0.459502528 2.873066388 3.3325194 Failure
Cavity 8 (0.459502528 capacity)
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000579_003 Dismissed Unplanned Storage unavailability 2021-04-29T08:01:12+01:00 2021-04-29T05:42:00+01:00 2021-04-29T16:00:00+01:00 TWh 0.459502528 2.873066388 3.3325194 Failure
Cavity 8 (0.459502528 capacity)
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000579_002 Dismissed Unplanned Storage unavailability 2021-04-29T05:52:18+01:00 2021-04-29T05:42:00+01:00 2021-04-29T16:00:00+01:00 TWh 0.459502528 2.41356386 3.3325194 Failure
Cavity 8 (0.459502528 capacity)
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000579_001 Dismissed Unplanned Storage unavailability 2021-04-29T05:49:02+01:00 2021-04-29T05:42:00+01:00 2021-04-29T16:00:00+01:00 TWh 0.459502528 2.873016872 3.3325194 Failure
Cavity 8
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000761_005 Inactive Planned Storage unavailability 2023-06-27T19:02:33+01:00 2023-06-21T09:00:00+01:00 2023-06-27T18:00:00+01:00 TWh 0.468711066 2.999933634 3.4686447 Planned Outage
Cavity 9 Annual Wellhead Maintenance
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000761_004 Dismissed Planned Storage unavailability 2023-06-26T16:26:05+01:00 2023-06-21T09:00:00+01:00 2023-06-27T18:00:00+01:00 TWh 0.468711066 2.999933634 3.4686447 Planned Outage
Cavity 9 Annual Wellhead Maintenance
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000761_003 Dismissed Planned Storage unavailability 2023-06-23T11:53:57+01:00 2023-06-21T09:00:00+01:00 2023-06-26T18:00:00+01:00 TWh 0.468711066 2.999933634 3.4686447 Planned Outage
Cavity 9 Annual Wellhead Maintenance
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000761_002 Dismissed Planned Storage unavailability 2023-06-17T13:38:52+01:00 2023-06-21T09:00:00+01:00 2023-06-25T18:00:00+01:00 TWh 0.468711066 2.999933634 3.4686447 Planned Outage
Cavity 9 Annual Wellhead Maintenance
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000761_001 Dismissed Planned Storage unavailability 2023-05-30T09:54:03+01:00 2023-06-19T09:00:00+01:00 2023-06-23T18:00:00+01:00 TWh 0.468711066 2.999933634 3.4686447 Planned Outage
Cavity 9 Annual Wellhead Maintenance
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000696_002 Inactive Planned Storage unavailability 2022-10-11T16:35:55+01:00 2022-10-11T08:00:00+01:00 2022-10-11T16:00:00+01:00 TWh 0.468711066 2.999933634 3.4686447 Planned Outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000696_001 Dismissed Planned Storage unavailability 2022-10-06T13:25:59+01:00 2022-10-11T08:00:00+01:00 2022-10-11T16:00:00+01:00 TWh 0.468711066 2.999933634 3.4686447 Planned Outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000612_002 Inactive Planned Storage unavailability 2021-11-05T14:48:59+00:00 2021-10-31T13:00:00+00:00 2021-11-05T15:00:00+00:00 TWh 0.46913 2.8601323 3.3292623 Planned Outage
Scheduled maintenance A9
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000612_001 Dismissed Planned Storage unavailability 2021-10-31T13:08:55+00:00 2021-10-31T13:00:00+00:00 2021-11-05T18:00:00+00:00 TWh 0.46913 2.8601323 3.3292623 Planned Outage
Scheduled maintenance A9
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000872_003 Inactive Planned Storage unavailability 2024-01-03T17:05:43+00:00 2024-01-02T05:00:00+00:00 2024-01-03T17:06:00+00:00 TWh 0.47347 2.6886942 3.1621642 Planned Outage
Ald 9 Pipework shotblast
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000872_002 Dismissed Planned Storage unavailability 2024-01-02T10:39:03+00:00 2024-01-02T05:00:00+00:00 2024-01-03T19:00:00+00:00 TWh 0.47347 2.6886942 3.1621642 Planned Outage
Ald 9 Pipework shotblast
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000872_001 Dismissed Planned Storage unavailability 2024-01-01T17:00:01+00:00 2024-01-02T05:00:00+00:00 2024-01-03T12:00:00+00:00 TWh 0.47347 2.6886942 3.1621642 Planned Outage
Ald 9 Pipework shotblast
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000667_002 Inactive Planned Storage unavailability 2022-04-22T17:04:52+01:00 2022-04-20T00:00:00+01:00 2022-04-22T17:00:00+01:00 TWh 0.47366 2.0112547 2.4849147 Planned Outage
21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000667_001 Dismissed Planned Storage unavailability 2022-04-19T19:51:10+01:00 2022-04-20T00:00:00+01:00 2022-04-22T18:00:00+01:00 TWh 0.47366 2.0112547 2.4849147 Planned Outage
21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000669_002 Inactive Unplanned Storage unavailability 2022-05-06T08:14:53+01:00 2022-05-05T20:38:00+01:00 2022-05-06T08:15:00+01:00 TWh 0.47728 2.0076347 2.4849147 Failure
21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000669_001 Dismissed Unplanned Storage unavailability 2022-05-05T20:40:52+01:00 2022-05-05T20:38:00+01:00 2022-05-06T08:38:00+01:00 TWh 0.47728 2.0076347 2.4849147 Failure
21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000672_003 Inactive Planned Storage unavailability 2022-07-05T14:56:19+01:00 2022-06-19T18:00:00+01:00 2022-07-05T15:00:00+01:00 TWh 0.477284982 2.007629718 2.4849147 Planned Outage
ALD 2 Outage
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000672_002 Dismissed Planned Storage unavailability 2022-06-28T13:54:29+01:00 2022-06-19T18:00:00+01:00 2022-07-05T19:00:00+01:00 TWh 0.477284982 2.007629718 2.4849147 Planned Outage
ALD 2 Outage
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000672_001 Dismissed Planned Storage unavailability 2022-06-19T18:01:07+01:00 2022-06-19T18:00:00+01:00 2022-07-01T18:00:00+01:00 TWh 0.477284982 2.007629718 2.4849147 Planned Outage
ALD 2 Outage
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000819_002 Inactive Planned Storage unavailability 2023-10-18T16:41:38+01:00 2023-10-18T09:00:00+01:00 2023-10-19T16:30:00+01:00 TWh 0.48312084 2.98552386 3.4686447 Planned Outage
Cavity 8 - 6 Monthly Wellhead maintenance.
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000819_001 Dismissed Planned Storage unavailability 2023-10-05T13:33:30+01:00 2023-10-18T09:00:00+01:00 2023-10-19T18:00:00+01:00 TWh 0.48312084 2.98552386 3.4686447 Planned Outage
Cavity 8 - 6 Monthly Wellhead maintenance.
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000785_002 Dismissed Planned Storage unavailability 2023-08-17T13:50:19+01:00 2023-08-25T05:00:00+01:00 2023-09-19T18:00:00+01:00 TWh 0.48312084 2.98552386 3.4686447 Planned Outage
Cavity 8 Intervention works
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000785_001 Dismissed Planned Storage unavailability 2023-07-17T12:08:57+01:00 2023-08-25T05:00:00+01:00 2023-09-19T18:00:00+01:00 TWh 0.48312084 2.98552386 3.4686447 Planned Outage
Cavity 8 Intervention works
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000768_003 Inactive Unplanned Storage unavailability 2023-06-27T19:02:33+01:00 2023-06-24T07:30:00+01:00 2023-06-27T18:00:00+01:00 TWh 0.48312084 2.5168128 3.4686447 Failure
Cavity 8
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000768_002 Dismissed Unplanned Storage unavailability 2023-06-26T16:22:59+01:00 2023-06-24T07:30:00+01:00 2023-06-27T18:00:00+01:00 TWh 0.48312084 2.5168128 3.4686447 Failure
Cavity 8
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000768_001 Dismissed Unplanned Storage unavailability 2023-06-24T08:10:17+01:00 2023-06-24T07:30:00+01:00 2023-06-26T18:00:00+01:00 TWh 0.48312084 2.5168128 3.4686447 Failure
Cavity 8
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000766_002 Inactive Unplanned Storage unavailability 2023-06-23T19:02:32+01:00 2023-06-21T07:53:00+01:00 2023-06-23T18:00:00+01:00 TWh 0.48312084 2.98552386 3.4686447 Failure
Cavity 8
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000766_001 Dismissed Unplanned Storage unavailability 2023-06-21T07:55:58+01:00 2023-06-21T07:53:00+01:00 2023-06-23T18:00:00+01:00 TWh 0.48312084 2.98552386 3.4686447 Failure
Cavity 8
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000721_002 Inactive Planned Storage unavailability 2023-01-18T08:43:03+00:00 2023-01-18T06:00:00+00:00 2023-01-18T08:40:00+00:00 TWh 0.48312084 2.98552386 3.4686447 Planned Outage
Cavity 8 6 Six Monthly Maintenance.
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000721_001 Dismissed Planned Storage unavailability 2023-01-10T07:25:16+00:00 2023-01-18T06:00:00+00:00 2023-01-18T18:00:00+00:00 TWh 0.48312084 2.98552386 3.4686447 Planned Outage
Cavity 8 6 Six Monthly Maintenance.
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000709_002 Inactive Unplanned Storage unavailability 2022-12-12T12:01:44+00:00 2022-12-12T04:00:00+00:00 2022-12-12T16:00:00+00:00 TWh 0.483121 2.9855237 3.4686447 Failure
Cavity 8
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000709_001 Dismissed Unplanned Storage unavailability 2022-12-12T04:45:16+00:00 2022-12-12T04:00:00+00:00 2022-12-12T16:00:00+00:00 TWh 0.483121 2.9855237 3.4686447 Failure
Cavity 8
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000820_002 Inactive Planned Storage unavailability 2023-10-19T17:00:38+01:00 2023-10-19T09:00:00+01:00 2023-10-19T17:00:00+01:00 TWh 0.483344926 2.985299774 3.4686447 Planned Outage
Cavity 6 - 6 monthly Wellhead Maintenance.
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000820_001 Dismissed Planned Storage unavailability 2023-10-05T13:36:56+01:00 2023-10-19T09:00:00+01:00 2023-10-20T18:00:00+01:00 TWh 0.483344926 2.985299774 3.4686447 Planned Outage
Cavity 6 - 6 monthly Wellhead Maintenance.
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000759_002 Inactive Planned Storage unavailability 2023-06-29T19:02:32+01:00 2023-06-28T18:00:00+01:00 2023-06-29T18:00:00+01:00 TWh 0.483344926 2.985299774 3.4686447 Planned Outage
Cavity 6 Wellhead Panel Maintenance
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000759_001 Dismissed Planned Storage unavailability 2023-05-30T09:23:28+01:00 2023-06-28T18:00:00+01:00 2023-06-29T18:00:00+01:00 TWh 0.483344926 2.985299774 3.4686447 Planned Outage
Cavity 6 Wellhead Panel Maintenance
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000663_002 Dismissed Planned Storage unavailability 2022-04-01T10:57:31+01:00 2022-04-09T18:00:00+01:00 2022-04-14T18:00:00+01:00 TWh 0.483344926 2.985299774 3.4686447 Planned Outage
Cavity 6 Maintenance
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000663_001 Dismissed Planned Storage unavailability 2022-03-31T13:19:34+01:00 2022-04-09T18:00:00+01:00 2022-04-14T18:00:00+01:00 TWh 0.483344926 2.985299774 3.4686447 Planned Outage
Cavity 6 Maintenance
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000765_002 Inactive Unplanned Storage unavailability 2023-06-08T16:55:19+01:00 2023-06-07T16:00:00+01:00 2023-06-08T16:40:00+01:00 TWh 0.555695 2.9129497 3.4686447 Failure
Cavity 7 wellhead panel
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000765_001 Dismissed Unplanned Storage unavailability 2023-06-07T16:09:37+01:00 2023-06-07T16:00:00+01:00 2023-06-09T18:00:00+01:00 TWh 0.555695 2.9129497 3.4686447 Failure
Cavity 7 wellhead panel
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.