Last update at: 2024-04-26T16:30:00+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
< 3 4 5 6 7 >
Aldbrough	ALD_000000000000000000641_001	Dismissed	Unplanned	Injection unavailability	2022-01-27T00:49:22+00:00	2022-01-27T00:00:00+00:00	2022-01-27T16:00:00+00:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000462_011	Inactive	Planned	Injection unavailability	2021-11-18T12:24:25+00:00	2021-10-16T05:00:00+01:00	2021-11-19T18:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage	Comp 1 Outage. Extended due to valve issues.	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000462_010	Dismissed	Planned	Injection unavailability	2021-11-16T20:46:36+00:00	2021-10-16T05:00:00+01:00	2021-11-19T18:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage	Comp 1 Outage. Extended due to valve issues.	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000462_009	Dismissed	Planned	Injection unavailability	2021-11-11T12:55:15+00:00	2021-10-16T05:00:00+01:00	2021-11-17T18:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage	Comp 1 Outage. Extended due to valve issues.	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000462_008	Dismissed	Planned	Injection unavailability	2021-11-10T10:43:42+00:00	2021-10-16T05:00:00+01:00	2021-11-15T18:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage	Comp 1 Outage. Extended due to valve issues.	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000462_007	Dismissed	Planned	Injection unavailability	2021-11-06T07:29:25+00:00	2021-10-16T05:00:00+01:00	2021-11-11T18:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage	Comp 1 Outage. Extended due to valve issues.	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000462_006	Dismissed	Planned	Injection unavailability	2021-11-05T09:36:01+00:00	2021-10-16T05:00:00+01:00	2021-11-06T18:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage	Comp 1 Outage. Extended due to valve issues.	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000462_005	Dismissed	Planned	Injection unavailability	2021-10-28T10:54:58+01:00	2021-10-16T05:00:00+01:00	2021-11-05T18:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage	Comp 1 Outage. Extended due to valve issues.	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000462_004	Dismissed	Planned	Injection unavailability	2021-10-21T13:45:47+01:00	2021-10-16T05:00:00+01:00	2021-10-31T18:00:00+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_000000000000000000462_003	Dismissed	Planned	Injection unavailability	2021-07-02T15:14:22+01:00	2021-10-16T05:00:00+01:00	2021-10-24T18:00:00+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_000000000000000000462_002	Dismissed	Planned	Injection unavailability	2020-11-27T12:04:39+00:00	2021-10-16T05:00:00+01:00	2021-10-22T05:00:00+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_000000000000000000462_001	Dismissed	Planned	Injection unavailability	2020-07-11T14:00:20+01:00	2021-10-18T05:00:00+01:00	2021-10-23T05:00:00+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_000000000000000000614_002	Inactive	Unplanned	Injection unavailability	2021-11-15T15:48:01+00:00	2021-11-12T22:51:00+00:00	2021-11-15T15:35:00+00:00	GWh/d	111.02	200.54	311.56	Failure	VSDS failure after outage completed	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000614_001	Dismissed	Unplanned	Injection unavailability	2021-11-12T22:52:38+00:00	2021-11-12T22:51:00+00:00	2021-11-15T18:00:00+00:00	GWh/d	111.02	200.54	311.56	Failure	VSDS failure after outage completed	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000463_004	Inactive	Planned	Injection unavailability	2021-11-12T22:10:06+00:00	2021-10-31T05:00:00+00:00	2021-11-12T22:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage	Comp 2 Outage + Commissioning	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000463_003	Dismissed	Planned	Injection unavailability	2021-09-07T10:59:59+01:00	2021-10-31T05:00:00+00:00	2021-11-14T18:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage	Comp 2 Outage + Commissioning	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000463_002	Dismissed	Planned	Injection unavailability	2020-11-27T12:06:54+00:00	2021-11-01T05:00:00+00:00	2021-11-13T05:00:00+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_000000000000000000463_001	Dismissed	Planned	Injection unavailability	2020-07-11T14:04:49+01:00	2021-10-31T05:00:00+00:00	2021-11-10T05:00:00+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_000000000000000000529_002	Inactive	Planned	Injection unavailability	2021-10-30T19:02:31+01:00	2021-10-30T05:00:00+01:00	2021-10-30T18:00:00+01:00	GWh/d	111.02	200.54	311.56	Planned Outage	Gas Compressor 1 Siemens maintenance	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000529_001	Dismissed	Planned	Injection unavailability	2020-11-27T13:51:59+00:00	2021-10-30T05:00:00+01:00	2021-10-30T18:00:00+01:00	GWh/d	111.02	200.54	311.56	Planned Outage	Gas Compressor 1 Siemens maintenance	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000464_006	Inactive	Planned	Injection unavailability	2021-10-30T17:57:17+01:00	2021-10-25T05:00:00+01:00	2021-10-30T18:00:00+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_000000000000000000464_005	Dismissed	Planned	Injection unavailability	2021-10-30T08:19:44+01:00	2021-10-25T05:00:00+01:00	2021-10-31T10:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage	Comp 3 Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000464_004	Dismissed	Planned	Injection unavailability	2021-10-29T17:05:18+01:00	2021-10-25T05:00:00+01:00	2021-10-30T09:00:00+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_000000000000000000464_003	Dismissed	Planned	Injection unavailability	2021-09-07T10:55:34+01:00	2021-10-25T05:00:00+01:00	2021-10-29T18:00:00+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_000000000000000000464_002	Dismissed	Planned	Injection unavailability	2020-11-27T12:05:43+00:00	2021-10-25T05:00:00+01:00	2021-10-31T05:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage	Comp 3 Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000464_001	Dismissed	Planned	Injection unavailability	2020-07-11T14:10:06+01:00	2021-10-25T05:00:00+01:00	2021-10-30T05:00:00+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_000000000000000000604_002	Inactive	Unplanned	Injection unavailability	2021-08-10T16:55:05+01:00	2021-08-09T18:08:00+01:00	2021-08-10T16:55:00+01:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000604_001	Dismissed	Unplanned	Injection unavailability	2021-08-09T18:11:35+01:00	2021-08-09T18:08:00+01:00	2021-08-11T18:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000600_002	Inactive	Unplanned	Injection unavailability	2021-08-05T16:16:42+01:00	2021-08-04T12:00:00+01:00	2021-08-05T15:55:00+01:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000600_001	Dismissed	Unplanned	Injection unavailability	2021-08-04T12:43:48+01:00	2021-08-04T12:00:00+01:00	2021-08-05T18:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000593_002	Inactive	Unplanned	Injection unavailability	2021-07-11T10:18:33+01:00	2021-07-11T05:13:00+01:00	2021-07-11T10:20:00+01:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000593_001	Dismissed	Unplanned	Injection unavailability	2021-07-11T05:40:28+01:00	2021-07-11T05:13:00+01:00	2021-07-11T12:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000588_003	Inactive	Unplanned	Injection unavailability	2021-06-18T15:01:06+01:00	2021-06-11T18:15:00+01:00	2021-06-18T15:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure	Comp 3 NRV replacement	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000588_002	Dismissed	Unplanned	Injection unavailability	2021-06-16T19:09:41+01:00	2021-06-11T18:15:00+01:00	2021-06-18T18:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure	Comp 3 NRV replacement	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000588_001	Dismissed	Unplanned	Injection unavailability	2021-06-15T18:16:00+01:00	2021-06-11T18:15:00+01:00	2021-06-17T12:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure	Comp 3 NRV replacement	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000567_006	Inactive	Unplanned	Injection unavailability	2021-06-15T15:36:39+01:00	2021-05-16T18:00:00+01:00	2021-06-16T14:30:00+01:00	GWh/d	111.02	200.54	311.56	Failure	Outage to cover ASV and NRV works.	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000567_005	Dismissed	Unplanned	Injection unavailability	2021-06-11T08:28:58+01:00	2021-05-16T18:00:00+01:00	2021-06-16T18:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure	Outage to cover ASV and NRV works.	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000567_004	Dismissed	Unplanned	Injection unavailability	2021-06-06T11:53:39+01:00	2021-05-16T18:00:00+01:00	2021-06-13T18:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure	Outage to cover ASV and NRV works.	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000567_003	Dismissed	Planned	Injection unavailability	2021-06-03T12:23:10+01:00	2021-05-16T18:00:00+01:00	2021-06-06T18:00:00+01:00	GWh/d	111.02	200.54	311.56	Planned Outage	Outage to cover ASV and NRV works.	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000567_002	Dismissed	Planned	Injection unavailability	2021-05-28T14:03:24+01:00	2021-05-16T18:00:00+01:00	2021-06-04T18:00:00+01:00	GWh/d	111.02	200.54	311.56	Planned Outage	Outage to cover ASV and NRV works.	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000567_001	Dismissed	Planned	Injection unavailability	2021-03-12T10:41:54+00:00	2021-05-16T18:00:00+01:00	2021-05-28T18:00:00+01:00	GWh/d	111.02	200.54	311.56	Planned Outage	Outage to cover ASV and NRV works.	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000763_001	Dismissed	Unplanned	Withdrawal unavailability	2023-06-06T09:42:50+01:00	2023-06-06T09:45:00+01:00	2023-06-23T18:00:00+01:00	GWh/d	165.3	177	342.3	Failure	Slight reduction in max flow.	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000763_002	Dismissed	Unplanned	Withdrawal unavailability	2023-06-06T21:44:48+01:00	2023-06-06T09:45:00+01:00	2023-06-23T18:00:00+01:00	GWh/d	187.17	155.13	342.3	Failure	Slight reduction in max flow.	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000565_002	Inactive	Planned	Withdrawal unavailability	2021-06-02T15:01:54+01:00	2021-06-02T09:00:00+01:00	2021-06-02T14:00:00+01:00	GWh/d	220.8	121.5	342.3	Planned Outage	For National Grid Requirements	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000565_001	Dismissed	Planned	Withdrawal unavailability	2021-03-04T13:32:42+00:00	2021-06-02T09:00:00+01:00	2021-06-02T14:00:00+01:00	GWh/d	220.8	121.5	342.3	Planned Outage	For National Grid Requirements	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000830_001	Dismissed	Unplanned	Withdrawal unavailability	2023-10-23T21:41:23+01:00	2023-10-23T21:38:00+01:00	2023-10-24T18:00:00+01:00	GWh/d	21.665	108.335	130	Failure	Stream 7	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000657_002	Inactive	Planned	Injection unavailability	2022-05-22T11:22:50+01:00	2022-05-21T18:00:00+01:00	2022-05-22T11:25:00+01:00	GWh/d	211.29	100.27	311.56	Planned Outage	GC-2 commissioning	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000657_001	Dismissed	Planned	Injection unavailability	2022-03-17T10:17:23+00:00	2022-05-21T18:00:00+01:00	2022-05-22T18:00:00+01:00	GWh/d	211.29	100.27	311.56	Planned Outage	GC-2 commissioning	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000829_001	Dismissed	Planned	Withdrawal unavailability	2023-10-21T11:00:57+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_000000000000000000897_003	Inactive	Planned	Withdrawal unavailability	2024-04-09T08:52:40+01:00	2024-03-20T18:00:00+00:00	2024-04-09T08:50:00+01:00	GWh/d	30	100	130	Planned Outage	Phase 6 Reduction	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK

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.