Last update at: 2022-06-28T22:30:00+01:00

**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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	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 >
Aldbrough	ALD_000000000000000000361_001	Dismissed	Planned	Injection unavailability	2019-07-03T14:16:24+01:00	2019-10-14T05:00:00+01:00	2019-11-19T05:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000361_002	Dismissed	Planned	Injection unavailability	2019-09-10T22:51:35+01:00	2019-10-14T05:00:00+01:00	2019-10-19T05:00:00+01:00	GWh/d	111.02	200.54	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000361_003	Dismissed	Planned	Injection unavailability	2019-10-18T09:43:42+01:00	2019-10-14T05:00:00+01:00	2019-10-18T18:00:00+01:00	GWh/d	111.02	200.54	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000361_004	Dismissed	Planned	Injection unavailability	2019-10-18T12:52:26+01:00	2019-10-14T05:00:00+01:00	2019-10-18T12:50:00+01:00	GWh/d	111.02	200.54	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000362_001	Dismissed	Planned	Injection unavailability	2019-07-03T14:18:24+01:00	2019-10-21T05:00:00+01:00	2019-10-26T18:00:00+01:00	GWh/d	111.02	200.54	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000362_002	Inactive	Planned	Injection unavailability	2019-10-26T18:02:31+01:00	2019-10-21T05:00:00+01:00	2019-10-26T18:00:00+01:00	GWh/d	111.02	200.54	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000363_001	Dismissed	Planned	Injection unavailability	2019-07-03T14:20:08+01:00	2019-10-27T05:00:00+00:00	2019-11-08T05:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000363_002	Dismissed	Planned	Injection unavailability	2019-11-07T09:31:48+00:00	2019-10-27T05:00:00+00:00	2019-11-08T09:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000363_003	Inactive	Planned	Injection unavailability	2019-11-08T10:02:31+00:00	2019-10-27T05:00:00+00:00	2019-11-08T09:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000365_001	Dismissed	Unplanned	Withdrawal unavailability	2019-07-18T12:46:07+01:00	2019-07-19T05:00:00+01:00	2019-07-19T08:00:00+01:00	GWh/d	342.3	0	342.3	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000365_002	Inactive	Unplanned	Withdrawal unavailability	2019-07-19T09:02:32+01:00	2019-07-19T05:00:00+01:00	2019-07-19T08:00:00+01:00	GWh/d	342.3	0	342.3	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000366_001	Dismissed	Unplanned	Injection unavailability	2019-07-18T12:48:29+01:00	2019-07-19T05:00:00+01:00	2019-07-19T08:00:00+01:00	GWh/d	311.56	0	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000366_002	Inactive	Unplanned	Injection unavailability	2019-07-19T09:02:32+01:00	2019-07-19T05:00:00+01:00	2019-07-19T08:00:00+01:00	GWh/d	311.56	0	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000367_001	Dismissed	Unplanned	Injection unavailability	2019-07-19T09:15:41+01:00	2019-07-19T09:15:00+01:00	2019-07-19T18:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000367_002	Inactive	Unplanned	Injection unavailability	2019-07-19T10:17:32+01:00	2019-07-19T09:15:00+01:00	2019-07-19T10:15:00+01:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000369_001	Dismissed	Unplanned	Storage unavailability	2019-07-23T07:06:06+01:00	2019-07-23T07:04:00+01:00	2019-07-23T12:00:00+01:00	TWh	2.15	0.00244821	2.15244821	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000369_002	Inactive	Unplanned	Storage unavailability	2019-07-23T10:40:01+01:00	2019-07-23T07:04:00+01:00	2019-07-23T10:39:00+01:00	TWh	2.15	0.00244821	2.15244821	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000370_001	Dismissed	Unplanned	Injection unavailability	2019-07-23T07:07:03+01:00	2019-07-23T07:06:00+01:00	2019-07-23T12:00:00+01:00	GWh/d	311.56	0	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000370_002	Inactive	Unplanned	Injection unavailability	2019-07-23T10:40:31+01:00	2019-07-23T07:06:00+01:00	2019-07-23T10:40:00+01:00	GWh/d	311.56	0	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000371_001	Dismissed	Unplanned	Withdrawal unavailability	2019-07-23T07:09:10+01:00	2019-07-23T07:07:00+01:00	2019-07-23T12:00:00+01:00	GWh/d	342.3	0	342.3	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000371_002	Inactive	Unplanned	Withdrawal unavailability	2019-07-23T10:39:36+01:00	2019-07-23T07:07:00+01:00	2019-07-23T10:39:00+01:00	GWh/d	342.3	0	342.3	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000376_001	Dismissed	Unplanned	Storage unavailability	2019-08-18T09:52:30+01:00	2019-08-18T10:00:00+01:00	2019-08-22T19:00:00+01:00	TWh	0.3652	1.78724821	2.15244821	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000376_002	Inactive	Unplanned	Storage unavailability	2019-08-22T09:57:58+01:00	2019-08-18T10:00:00+01:00	2019-08-22T10:00:00+01:00	TWh	0.3652	1.78724821	2.15244821	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000379_001	Dismissed	Unplanned	Injection unavailability	2019-08-30T20:56:32+01:00	2019-08-30T20:54:00+01:00	2019-09-03T18:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000379_002	Inactive	Unplanned	Injection unavailability	2019-09-03T16:22:07+01:00	2019-08-30T20:54:00+01:00	2019-09-03T16:21:00+01:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000382_001	Dismissed	Unplanned	Injection unavailability	2019-09-14T21:55:17+01:00	2019-09-14T21:54:00+01:00	2019-09-15T12:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000382_002	Dismissed	Unplanned	Injection unavailability	2019-09-15T05:57:49+01:00	2019-09-14T21:54:00+01:00	2019-09-15T06:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000383_001	Dismissed	Planned	Storage unavailability	2019-09-15T09:40:47+01:00	2019-09-16T05:00:00+01:00	2019-09-25T18:00:00+01:00	TWh	0.0684	2.08404821	2.15244821	Planned Outage	Planned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000383_002	Inactive	Planned	Storage unavailability	2019-09-23T13:37:57+01:00	2019-09-16T05:00:00+01:00	2019-09-23T13:35:00+01:00	TWh	0.0684	2.08404821	2.15244821	Planned Outage	Planned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000384_001	Dismissed	Unplanned	Injection unavailability	2019-09-22T23:14:33+01:00	2019-09-22T21:51:00+01:00	2019-09-23T16:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000384_002	Inactive	Unplanned	Injection unavailability	2019-09-23T15:38:02+01:00	2019-09-22T21:51:00+01:00	2019-09-23T15:15:00+01:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000385_001	Dismissed	Planned	Injection unavailability	2019-10-01T12:40:36+01:00	2019-10-26T06:00:00+01:00	2019-10-26T18:00:00+01:00	GWh/d	111.02	200.54	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000385_002	Inactive	Planned	Injection unavailability	2019-10-26T18:01:17+01:00	2019-10-26T06:00:00+01:00	2019-10-26T18:00:00+01:00	GWh/d	111.02	200.54	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000391_001	Dismissed	Unplanned	Injection unavailability	2019-10-11T20:37:26+01:00	2019-10-11T20:20:00+01:00	2019-10-14T18:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000391_002	Inactive	Unplanned	Injection unavailability	2019-10-11T22:11:04+01:00	2019-10-11T20:20:00+01:00	2019-10-11T22:10:00+01:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000397_001	Dismissed	Unplanned	Injection unavailability	2019-10-26T08:23:53+01:00	2019-10-26T08:30:00+01:00	2019-10-26T18:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000397_002	Inactive	Unplanned	Injection unavailability	2019-10-26T11:30:22+01:00	2019-10-26T08:30:00+01:00	2019-10-26T11:26:00+01:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000398_001	Dismissed	Unplanned	Injection unavailability	2019-10-26T12:45:35+01:00	2019-10-26T16:30:00+01:00	2019-10-26T18:00:00+01:00	GWh/d	200.54	111.02	311.56	Failure	Deisolation	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000398_002	Inactive	Unplanned	Injection unavailability	2019-10-26T18:00:17+01:00	2019-10-26T16:30:00+01:00	2019-10-26T18:00:00+01:00	GWh/d	200.54	111.02	311.56	Failure	Deisolation	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000400_001	Dismissed	Planned	Withdrawal unavailability	2019-10-28T15:44:46+00:00	2019-11-08T09:00:00+00:00	2019-11-08T11:00:00+00:00	GWh/d	342.3	0	342.3	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000400_002	Dismissed	Planned	Withdrawal unavailability	2019-11-07T15:51:02+00:00	2019-11-11T09:00:00+00:00	2019-11-11T11:00:00+00:00	GWh/d	342.3	0	342.3	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000400_003	Inactive	Planned	Withdrawal unavailability	2019-11-11T12:02:32+00:00	2019-11-11T09:00:00+00:00	2019-11-11T11:00:00+00:00	GWh/d	342.3	0	342.3	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000401_001	Dismissed	Planned	Injection unavailability	2019-10-28T15:45:56+00:00	2019-11-08T09:00:00+00:00	2019-11-08T14:00:00+00:00	GWh/d	311.56	0	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000401_002	Dismissed	Planned	Injection unavailability	2019-11-07T09:28:11+00:00	2019-11-08T09:00:00+00:00	2019-11-08T16:00:00+00:00	GWh/d	311.56	0	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000401_003	Dismissed	Planned	Injection unavailability	2019-11-07T15:50:28+00:00	2019-11-11T09:00:00+00:00	2019-11-11T16:00:00+00:00	GWh/d	311.56	0	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000401_004	Inactive	Planned	Injection unavailability	2019-11-11T15:17:20+00:00	2019-11-11T09:00:00+00:00	2019-11-11T15:17:00+00:00	GWh/d	311.56	0	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000403_001	Dismissed	Unplanned	Injection unavailability	2019-11-06T00:00:10+00:00	2019-11-05T23:56:00+00:00	2019-11-06T05:00:00+00:00	GWh/d	311.56	0	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000403_002	Dismissed	Unplanned	Injection unavailability	2019-11-06T04:33:45+00:00	2019-11-05T23:56:00+00:00	2019-11-06T04:33:00+00:00	GWh/d	311.56	0	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000405_001	Dismissed	Planned	Injection unavailability	2019-11-07T09:57:36+00:00	2019-11-08T16:00:00+00:00	2019-11-09T18:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000405_002	Dismissed	Planned	Injection unavailability	2019-11-07T15:35:01+00:00	2019-11-08T16:00:00+00:00	2019-11-12T18:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	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.