Last update at: 2019-08-22T10:00:00+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	Balancing Zone	Affected Asset or Unit EIC Code	Market Participant	Market Participant Code
1 2 3 4 5 >
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_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_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_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_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_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_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_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_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_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_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_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_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_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_000000000000000000363_001	Active	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_000000000000000000362_001	Active	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_000000000000000000361_001	Active	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_000000000000000000356_002	Inactive	Unplanned	Injection unavailability	2019-06-23T21:53:18+01:00	2019-06-23T20:10:00+01:00	2019-06-23T21:50:00+01:00	GWh/d	111.02	200.54	311.56	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000356_001	Dismissed	Unplanned	Injection unavailability	2019-06-23T20:34:12+01:00	2019-06-23T20:10:00+01:00	2019-06-23T23:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000355_002	Inactive	Unplanned	Storage unavailability	2019-06-19T10:25:44+01:00	2019-06-18T08:30:00+01:00	2019-06-19T10:24:00+01:00	TWh	0.4039	1.74854821	2.15244821	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000355_001	Dismissed	Unplanned	Storage unavailability	2019-06-18T08:41:06+01:00	2019-06-18T08:30:00+01:00	2019-06-19T18:00:00+01:00	TWh	0.4039	1.74854821	2.15244821	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000344_002	Dismissed	Unplanned	Injection unavailability	2019-06-14T14:53:09+01:00	2019-06-14T09:00:00+01:00	2019-06-14T15:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000344_001	Dismissed	Unplanned	Injection unavailability	2019-06-12T10:11:46+01:00	2019-06-14T09:00:00+01:00	2019-06-14T16:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000337_004	Inactive	Planned	Withdrawal unavailability	2019-06-13T16:10:07+01:00	2019-05-27T05:00:00+01:00	2019-06-13T16:10:00+01:00	GWh/d	0	342.3	342.3	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000337_003	Dismissed	Planned	Withdrawal unavailability	2019-06-11T22:52:10+01:00	2019-05-27T05:00:00+01:00	2019-06-14T05:00:00+01:00	GWh/d	121.5	220.8	342.3	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000337_002	Dismissed	Planned	Withdrawal unavailability	2019-06-10T19:34:04+01:00	2019-05-27T05:00:00+01:00	2019-06-12T05:00:00+01:00	GWh/d	121.5	220.8	342.3	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000337_001	Dismissed	Planned	Withdrawal unavailability	2019-04-01T14:49:36+01:00	2019-05-27T05:00:00+01:00	2019-06-11T05:00:00+01:00	GWh/d	121.5	220.8	342.3	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000343_001	Inactive	Unplanned	Withdrawal unavailability	2019-06-11T13:32:52+01:00	2019-06-11T12:00:00+01:00	2019-06-11T13:10:00+01:00	GWh/d	342.3	0	342.3	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000342_001	Inactive	Unplanned	Withdrawal unavailability	2019-06-04T17:02:57+01:00	2019-06-04T14:50:00+01:00	2019-06-04T16:40:00+01:00	GWh/d	342.3	0	342.3	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000341_002	Dismissed	Unplanned	Injection unavailability	2019-05-23T18:04:41+01:00	2019-05-22T16:26:00+01:00	2019-05-23T18:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000341_001	Dismissed	Unplanned	Injection unavailability	2019-05-22T16:28:06+01:00	2019-05-22T16:26:00+01:00	2019-05-24T18:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000339_003	Inactive	Unplanned	Withdrawal unavailability	2019-05-21T16:09:54+01:00	2019-05-19T05:00:00+01:00	2019-05-21T16:10:00+01:00	GWh/d	121.5	220.8	342.3	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000339_002	Dismissed	Unplanned	Withdrawal unavailability	2019-05-19T13:12:32+01:00	2019-05-19T05:00:00+01:00	2019-05-21T18:00:00+01:00	GWh/d	121.5	220.8	342.3	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000339_001	Dismissed	Unplanned	Withdrawal unavailability	2019-05-18T12:41:28+01:00	2019-05-19T05:00:00+01:00	2019-05-19T18:00:00+01:00	GWh/d	121.5	220.8	342.3	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000340_002	Inactive	Unplanned	Storage unavailability	2019-05-20T10:01:34+01:00	2019-05-19T22:50:00+01:00	2019-05-20T09:50:00+01:00	TWh	0.72504	1.42740821	2.15244821	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000340_001	Dismissed	Unplanned	Storage unavailability	2019-05-19T22:59:46+01:00	2019-05-19T22:50:00+01:00	2019-05-20T09:50:00+01:00	TWh	0.72504	1.42740821	2.15244821	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000329_003	Dismissed	Planned	Injection unavailability	2019-05-19T02:18:26+01:00	2019-05-06T05:00:00+01:00	2019-05-19T02:15:00+01:00	GWh/d	311.56	0	311.56	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000329_002	Dismissed	Planned	Injection unavailability	2019-05-18T12:30:33+01:00	2019-05-06T05:00:00+01:00	2019-05-19T05:00:00+01:00	GWh/d	311.56	0	311.56	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000329_001	Dismissed	Planned	Injection unavailability	2019-03-04T12:29:07+00:00	2019-05-06T05:00:00+01:00	2019-05-18T18:00:00+01:00	GWh/d	311.56	0	311.56	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000330_003	Dismissed	Planned	Withdrawal unavailability	2019-05-19T02:17:50+01:00	2019-05-06T05:00:00+01:00	2019-05-19T02:15:00+01:00	GWh/d	342.3	0	342.3	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000330_002	Dismissed	Planned	Withdrawal unavailability	2019-05-18T12:33:27+01:00	2019-05-06T05:00:00+01:00	2019-05-19T05:00:00+01:00	GWh/d	342.3	0	342.3	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000330_001	Dismissed	Planned	Withdrawal unavailability	2019-03-04T12:30:49+00:00	2019-05-06T05:00:00+01:00	2019-05-18T18:00:00+01:00	GWh/d	342.3	0	342.3	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000336_002	Inactive	Planned	Withdrawal unavailability	2019-05-06T06:02:31+01:00	2019-05-01T05:00:00+01:00	2019-05-06T05:00:00+01:00	GWh/d	121.5	220.8	342.3	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000336_001	Dismissed	Planned	Withdrawal unavailability	2019-04-01T14:42:08+01:00	2019-05-01T05:00:00+01:00	2019-05-06T05:00:00+01:00	GWh/d	121.5	220.8	342.3	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000335_004	Inactive	Unplanned	Withdrawal unavailability	2019-04-11T23:22:25+01:00	2019-03-31T05:00:00+01:00	2019-04-12T23:21:00+01:00	GWh/d	121.5	220.8	342.3	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000335_003	Dismissed	Unplanned	Withdrawal unavailability	2019-04-11T16:08:27+01:00	2019-03-31T05:00:00+01:00	2019-04-12T00:00:00+01:00	GWh/d	121.5	220.8	342.3	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000335_002	Dismissed	Unplanned	Withdrawal unavailability	2019-04-05T10:49:11+01:00	2019-03-31T05:00:00+01:00	2019-04-11T18:00:00+01:00	GWh/d	121.5	220.8	342.3	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000335_001	Dismissed	Unplanned	Withdrawal unavailability	2019-03-26T12:33:00+00:00	2019-03-31T05:00:00+01:00	2019-04-09T18:00:00+01:00	GWh/d	121.5	220.8	342.3	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000334_002	Inactive	Unplanned	Injection unavailability	2019-03-29T14:24:35+00:00	2019-03-26T13:00:00+00:00	2019-03-29T14:25:00+00:00	GWh/d	111.02	200.54	311.56	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000334_001	Dismissed	Unplanned	Injection unavailability	2019-03-26T12:30:41+00:00	2019-03-26T13:00:00+00:00	2019-04-01T16:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure	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.