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Last update at: 2023-01-27T19:00:00+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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Date of event: From date:
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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
1 2 3 4 5 >
Atwick ATW_000000000000000000615_002 Dismissed Planned Storage unavailability 2021-11-15T11:47:51+00:00 2021-11-22T08:00:00+00:00 2021-12-06T12:00:00+00:00 TWh 0 3.3292623 3.3292623 Planned Outage
Storage Cavern outage
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000615_001 Dismissed Planned Storage unavailability 2021-11-15T11:46:54+00:00 2021-11-22T08:00:00+00:00 2021-12-06T12:00:00+00:00 TWh 0 3.3292623 3.3292623 Planned Outage
ATW 8 storage cavern will be out of service for the duration of the REMIT
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000486_001 Dismissed Planned Injection unavailability 2020-07-11T21:30:42+01:00 2021-07-01T05:00:00+01:00 2021-07-15T05:00:00+01:00 GWh/d 0 30 30 Planned Outage
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000477_001 Dismissed Planned Injection unavailability 2020-07-11T16:17:27+01:00 2023-10-16T05:00:00+01:00 2023-10-21T05:00:00+01:00 GWh/d 0 311.56 311.56 Planned Outage
Comp 2 Outage
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000528_002 Inactive Unplanned Withdrawal unavailability 2020-11-27T11:04:54+00:00 2020-11-27T09:38:00+00:00 2020-11-27T11:00:00+00:00 GWh/d 0 130 130 Failure
Unable to run export plant at max flows due too high grid pressure.
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000512_001 Dismissed Unplanned Injection unavailability 2020-10-10T11:35:55+01:00 2020-10-10T11:30:00+01:00 2020-10-11T05:00:00+01:00 GWh/d 0 30 30 Failure
unplanned outage
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000661_006 Active Unplanned Storage unavailability 2023-01-12T12:44:15+00:00 2022-03-22T14:15:00+00:00 2023-12-31T05:00:00+00:00 TWh 0.06761 2.3882077 3.3017895 Failure
Cavern 4 unavailable
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000661_005 Dismissed Unplanned Storage unavailability 2022-10-25T15:30:17+01:00 2022-03-22T14:15:00+00:00 2023-01-31T05:00:00+00:00 TWh 0.06761 2.3882077 2.9453019 Failure
Cavern 4 unavailable
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000661_004 Dismissed Unplanned Storage unavailability 2022-09-05T15:54:31+01:00 2022-03-22T14:15:00+00:00 2022-11-01T05:00:00+00:00 TWh 0.06761 2.3882077 2.9453019 Failure
Cavern 4 unavailable
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000661_003 Dismissed Unplanned Storage unavailability 2022-07-27T15:33:45+01:00 2022-03-22T14:15:00+00:00 2022-09-12T14:15:00+01:00 TWh 0.06761 2.3882077 2.4849147 Failure
Cavern 4 unavailable
 21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000661_002 Dismissed Unplanned Storage unavailability 2022-05-12T13:27:22+01:00 2022-03-22T14:15:00+00:00 2022-08-22T14:15:00+01:00 TWh 0.06761 2.3882077 2.4849147 Failure
21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000661_001 Dismissed Unplanned Storage unavailability 2022-03-22T14:11:42+00:00 2022-03-22T14:15:00+00:00 2022-06-22T14:15:00+01:00 TWh 0.06761 2.3882077 2.4558177 Failure
21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000571_002 Inactive Planned Storage unavailability 2021-04-14T07:56:55+01:00 2021-04-14T06:00:00+01:00 2021-04-14T08:00:00+01:00 TWh 0.214379 2.9321538 3.1465328 Planned Outage
Maintenance A2
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000571_001 Dismissed Planned Storage unavailability 2021-04-08T15:53:31+01:00 2021-04-14T06:00:00+01:00 2021-04-17T18:00:00+01:00 TWh 0.214379 2.9321538 3.1465328 Planned Outage
Maintenance A2
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000524_002 Dismissed Planned Storage unavailability 2020-12-07T16:50:46+00:00 2020-12-07T06:00:00+00:00 2020-12-07T16:30:00+00:00 TWh 0.214457605 2.925423795 3.1398814 Planned Outage
Cavity 2
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000524_001 Dismissed Planned Storage unavailability 2020-11-23T11:11:51+00:00 2020-12-07T06:00:00+00:00 2020-12-07T18:00:00+00:00 TWh 0.214457605 2.925423795 3.1398814 Planned Outage
Cavity 2
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000583_003 Inactive Planned Storage unavailability 2021-06-02T15:34:06+01:00 2021-05-30T19:05:00+01:00 2021-06-02T15:34:00+01:00 TWh 0.226309 3.1062104 3.3325194 Planned Outage
Cavity 2
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000583_002 Dismissed Planned Storage unavailability 2021-05-30T19:05:34+01:00 2021-05-30T19:05:00+01:00 2021-06-06T18:00:00+01:00 TWh 0.226309 3.1062104 3.3325194 Planned Outage
Cavity 2
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000583_001 Dismissed Planned Storage unavailability 2021-05-05T16:01:27+01:00 2021-06-01T05:00:00+01:00 2021-06-06T18:00:00+01:00 TWh 0.226309 3.1062104 3.3325194 Planned Outage
Cavity 2
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000573_003 Dismissed Planned Storage unavailability 2021-04-26T15:27:52+01:00 2021-04-28T14:00:00+01:00 2021-05-02T18:00:00+01:00 TWh 0.226309 3.1062104 3.3325194 Planned Outage
Cavity 2
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000573_002 Dismissed Planned Storage unavailability 2021-04-26T09:03:06+01:00 2021-04-28T14:00:00+01:00 2021-05-02T18:00:00+01:00 TWh 0.226309 3.1062104 3.3325194 Planned Outage
Cavity 2
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000573_001 Dismissed Planned Storage unavailability 2021-04-14T13:37:19+01:00 2021-04-27T06:00:00+01:00 2021-04-30T18:00:00+01:00 TWh 0.226309 3.1062104 3.3325194 Planned Outage
Cavity 2
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000722_002 Inactive Planned Storage unavailability 2023-01-19T19:02:32+00:00 2023-01-19T06:00:00+00:00 2023-01-19T18:00:00+00:00 TWh 0.238280125 3.230364575 3.4686447 Planned Outage
Cavity 2 Six Monthly Maintenance
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000722_001 Dismissed Planned Storage unavailability 2023-01-10T07:29:17+00:00 2023-01-19T06:00:00+00:00 2023-01-19T18:00:00+00:00 TWh 0.238280125 3.230364575 3.4686447 Planned Outage
Cavity 2 Six Monthly Maintenance
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000511_004 Dismissed Unplanned Storage unavailability 2020-10-14T12:51:35+01:00 2020-10-10T10:52:00+01:00 2020-10-14T12:52:00+01:00 TWh 0.28583 2.8540514 3.1398814 Failure
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000511_003 Dismissed Unplanned Storage unavailability 2020-10-13T14:19:22+01:00 2020-10-10T10:52:00+01:00 2020-10-14T13:00:00+01:00 TWh 0.28583 2.8540514 3.1398814 Failure
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000511_002 Dismissed Unplanned Storage unavailability 2020-10-11T16:27:33+01:00 2020-10-10T10:52:00+01:00 2020-10-13T18:00:00+01:00 TWh 0.28583 2.8540514 3.1398814 Failure
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000511_001 Dismissed Unplanned Storage unavailability 2020-10-10T10:59:54+01:00 2020-10-10T10:52:00+01:00 2020-10-12T18:00:00+01:00 TWh 0.28583 2.8540514 3.1398814 Failure
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000631_002 Inactive Unplanned Storage unavailability 2022-01-04T13:19:13+00:00 2022-01-04T11:23:00+00:00 2022-01-04T13:00:00+00:00 TWh 0.3012 3.014281 3.315481 Failure
A7
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000631_001 Dismissed Unplanned Storage unavailability 2022-01-04T11:24:51+00:00 2022-01-04T11:23:00+00:00 2022-01-05T18:00:00+00:00 TWh 0.3012 3.014281 3.315481 Failure
A7
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000621_002 Inactive Unplanned Storage unavailability 2021-12-06T16:01:28+00:00 2021-12-05T13:20:00+00:00 2021-12-06T16:02:00+00:00 TWh 0.3012 3.0280623 3.3292623 Failure
Cavity Outage
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000621_001 Dismissed Unplanned Storage unavailability 2021-12-05T13:24:07+00:00 2021-12-05T13:20:00+00:00 2021-12-06T18:00:00+00:00 TWh 0.3012 3.0280623 3.3292623 Failure
Cavity Outage
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000582_003 Dismissed Planned Storage unavailability 2021-05-30T19:04:41+01:00 2021-05-27T16:30:00+01:00 2021-05-30T19:05:00+01:00 TWh 0.3012746 3.0312448 3.3325194 Planned Outage
Cavity 7
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000582_002 Dismissed Planned Storage unavailability 2021-05-27T16:15:25+01:00 2021-05-27T16:30:00+01:00 2021-05-31T18:00:00+01:00 TWh 0.3012746 3.0312448 3.3325194 Planned Outage
Cavity 7
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000582_001 Dismissed Planned Storage unavailability 2021-05-05T15:56:02+01:00 2021-05-28T05:00:00+01:00 2021-05-31T18:00:00+01:00 TWh 0.3012746 3.0312448 3.3325194 Planned Outage
Cavity 7
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000681_004 Inactive Unplanned Storage unavailability 2022-08-02T22:02:33+01:00 2022-08-01T19:34:00+01:00 2022-08-02T21:00:00+01:00 TWh 0.317415066 3.151229634 3.4686447 Failure
Cavity 7
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000681_003 Dismissed Unplanned Storage unavailability 2022-08-02T17:07:13+01:00 2022-08-01T19:34:00+01:00 2022-08-02T21:00:00+01:00 TWh 0.317415066 3.151229634 3.4686447 Failure
Cavity 7
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000681_002 Dismissed Unplanned Storage unavailability 2022-08-01T19:36:14+01:00 2022-08-01T19:34:00+01:00 2022-08-02T18:00:00+01:00 TWh 0.317415066 3.151229634 3.4686447 Failure
Cavity 7
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000681_001 Dismissed Unplanned Storage unavailability 2022-08-01T19:33:01+01:00 2022-08-01T19:40:00+01:00 2022-08-02T18:00:00+01:00 TWh 0.317415066 3.151229634 3.4686447 Failure
Cavity 7
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000527_002 Dismissed Planned Storage unavailability 2020-12-08T11:12:09+00:00 2020-12-15T07:00:00+00:00 2020-12-16T18:00:00+00:00 TWh 0.35298597 2.78689543 3.1398814 Planned Outage
Cavity 3
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000527_001 Dismissed Planned Storage unavailability 2020-11-23T11:59:23+00:00 2020-12-09T18:00:00+00:00 2020-12-11T18:00:00+00:00 TWh 0.35298597 2.78689543 3.1398814 Planned Outage
Cavity 3
21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000536_002 Dismissed Planned Storage unavailability 2020-12-08T11:46:13+00:00 2020-12-08T11:15:00+00:00 2020-12-08T18:00:00+00:00 TWh 0.35299 2.7868914 3.1398814 Planned Outage
Cavity 3 WHP
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000536_001 Dismissed Planned Storage unavailability 2020-12-08T11:26:10+00:00 2020-12-08T11:15:00+00:00 2020-12-08T18:00:00+00:00 TWh 0.35299 2.7868914 3.1398814 Planned Outage
Cavity 3 WHP
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000502_002 Inactive Planned Storage unavailability 2020-08-14T20:13:51+01:00 2020-08-12T20:37:00+01:00 2020-08-14T20:10:00+01:00 TWh 0.36066 1.9746056 2.3352656 Planned Outage
21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Aldbrough ALD_000000000000000000502_001 Dismissed Planned Storage unavailability 2020-08-12T20:37:58+01:00 2020-08-12T20:37:00+01:00 2020-08-15T23:00:00+01:00 TWh 0.36066 1.9746056 2.3352656 Planned Outage
21YGB-UKGASGRIDW 55WALDBOROUGH00H
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000618_003 Inactive Unplanned Storage unavailability 2021-11-29T15:35:20+00:00 2021-11-24T16:23:00+00:00 2021-11-29T15:30:00+00:00 TWh 0.371148 2.9581143 3.3292623 Planned Outage
Cavity 3 outage
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000618_002 Dismissed Unplanned Storage unavailability 2021-11-26T12:31:29+00:00 2021-11-24T16:23:00+00:00 2021-11-29T18:00:00+00:00 TWh 0.371148 2.9581143 3.3292623 Planned Outage
Cavity 3 outage
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000618_001 Dismissed Unplanned Storage unavailability 2021-11-24T16:25:02+00:00 2021-11-24T16:23:00+00:00 2021-11-26T18:00:00+00:00 TWh 0.371148 2.9581143 3.3292623 Planned Outage
Cavity outage
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000569_002 Inactive Planned Storage unavailability 2021-04-09T15:34:19+01:00 2021-04-07T16:34:00+01:00 2021-04-09T15:30:00+01:00 TWh 0.38077 2.7657628 3.1465328 Planned Outage
Maintenance A1
 21YGB-UKGASGRIDW 55WATWICK-SSE00J
SSE Hornsea Ltd
 A0001033U.UK
Atwick ATW_000000000000000000569_001 Dismissed Planned Storage unavailability 2021-04-07T16:35:14+01:00 2021-04-07T16:34:00+01:00 2021-04-09T18:00:00+01:00 TWh 0.38077 2.7657628 3.1465328 Planned Outage
Maintenance A1
 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.