Last update at: 2018-09-18T10:30:00+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_000000000000000000292_007	Inactive	Unplanned	Injection unavailability	2018-09-18T10:01:52+01:00	2018-09-16T05:00:00+01:00	2018-09-18T09:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000292_006	Dismissed	Unplanned	Injection unavailability	2018-09-17T14:57:54+01:00	2018-09-16T05:00:00+01:00	2018-09-18T09:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000292_005	Dismissed	Unplanned	Injection unavailability	2018-09-17T10:24:47+01:00	2018-09-16T05:00:00+01:00	2018-09-17T15:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000292_004	Dismissed	Unplanned	Injection unavailability	2018-09-17T02:52:58+01:00	2018-09-16T05:00:00+01:00	2018-09-17T10:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000292_003	Dismissed	Unplanned	Injection unavailability	2018-09-16T17:36:23+01:00	2018-09-16T05:00:00+01:00	2018-09-17T05:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000292_002	Dismissed	Unplanned	Injection unavailability	2018-09-16T09:51:38+01:00	2018-09-16T05:00:00+01:00	2018-09-16T18:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000292_001	Dismissed	Unplanned	Injection unavailability	2018-09-16T06:00:58+01:00	2018-09-16T05:00:00+01:00	2018-09-16T10:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000235_003	Dismissed	Planned	Injection unavailability	2018-09-07T12:16:23+01:00	2018-10-20T05:00:00+01:00	2018-11-06T05:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage	Planned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000235_002	Dismissed	Planned	Injection unavailability	2018-09-07T12:15:14+01:00	2018-10-20T05:00:00+01:00	2018-11-06T05:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage	Planned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000235_001	Dismissed	Planned	Injection unavailability	2018-01-26T14:06:52+00:00	2018-11-01T05:00:00+00:00	2018-11-14T05:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage	Planned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000291_001	Active	Unplanned	Injection unavailability	2018-09-07T12:14:13+01:00	2018-10-27T06:00:00+01:00	2018-10-27T18:00:00+01:00	GWh/d	111.02	200.54	311.56	Planned Outage	unplanned outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000236_002	Active	Planned	Injection unavailability	2018-09-07T12:12:44+01:00	2018-10-28T05:00:00+00:00	2018-11-06T05:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage	Planned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000236_001	Dismissed	Planned	Injection unavailability	2018-01-26T14:07:34+00:00	2018-10-21T05:00:00+01:00	2018-10-30T05:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage	Planned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000237_002	Active	Planned	Injection unavailability	2018-09-07T12:12:01+01:00	2018-10-22T05:00:00+01:00	2018-10-27T05:00:00+01:00	GWh/d	111.02	200.54	311.56	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000237_001	Dismissed	Planned	Injection unavailability	2018-01-29T02:35:36+00:00	2018-10-20T06:00:00+01:00	2018-10-20T18:00:00+01:00	GWh/d	111.02	200.54	311.56	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000290_001	Inactive	Unplanned	Withdrawal unavailability	2018-09-04T15:12:27+01:00	2018-09-04T13:05:00+01:00	2018-09-04T14:45:00+01:00	GWh/d	342.3	0	342.3	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000289_001	Inactive	Unplanned	Injection unavailability	2018-09-04T15:11:25+01:00	2018-09-04T00:00:00+01:00	2018-09-04T14:45:00+01:00	GWh/d	311.56	0	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000288_005	Inactive	Planned	Injection unavailability	2018-08-03T10:03:48+01:00	2018-08-03T04:30:00+01:00	2018-08-03T10:05:00+01:00	GWh/d	111.02	200.54	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000288_004	Dismissed	Planned	Injection unavailability	2018-08-03T09:37:40+01:00	2018-08-03T04:30:00+01:00	2018-08-03T17:00:00+01:00	GWh/d	111.02	200.54	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000288_003	Dismissed	Planned	Injection unavailability	2018-08-03T08:35:52+01:00	2018-08-03T04:30:00+01:00	2018-08-03T09:30:00+01:00	GWh/d	111.02	200.54	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000288_002	Dismissed	Planned	Injection unavailability	2018-08-03T07:25:02+01:00	2018-08-03T04:30:00+01:00	2018-08-03T08:30:00+01:00	GWh/d	311.56	0	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000288_001	Dismissed	Planned	Injection unavailability	2018-07-19T15:07:13+01:00	2018-08-03T04:30:00+01:00	2018-08-03T07:30:00+01:00	GWh/d	311.56	0	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000286_003	Inactive	Planned	Withdrawal unavailability	2018-08-03T08:23:14+01:00	2018-08-03T04:30:00+01:00	2018-08-03T08:25:00+01:00	GWh/d	342.3	0	342.3	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000286_002	Dismissed	Planned	Withdrawal unavailability	2018-08-03T07:24:43+01:00	2018-08-03T04:30:00+01:00	2018-08-03T08:30:00+01:00	GWh/d	342.3	0	342.3	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000286_001	Dismissed	Planned	Withdrawal unavailability	2018-07-18T14:44:43+01:00	2018-08-03T04:30:00+01:00	2018-08-03T07:30:00+01:00	GWh/d	342.3	0	342.3	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000285_002	Inactive	Planned	Injection unavailability	2018-08-01T08:31:53+01:00	2018-08-01T04:30:00+01:00	2018-08-01T07:30:00+01:00	GWh/d	311.56	0	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000287_002	Inactive	Planned	Withdrawal unavailability	2018-08-01T08:31:53+01:00	2018-08-01T04:30:00+01:00	2018-08-01T07:30:00+01:00	GWh/d	342.3	0	342.3	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000287_001	Dismissed	Planned	Withdrawal unavailability	2018-07-19T15:05:49+01:00	2018-08-01T04:30:00+01:00	2018-08-01T07:30:00+01:00	GWh/d	342.3	0	342.3	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000285_001	Dismissed	Planned	Injection unavailability	2018-07-18T14:43:22+01:00	2018-08-01T04:30:00+01:00	2018-08-01T07:30:00+01:00	GWh/d	311.56	0	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000282_003	Inactive	Unplanned	Withdrawal unavailability	2018-06-28T06:44:14+01:00	2018-06-28T02:20:00+01:00	2018-06-28T06:43:00+01:00	GWh/d	342.3	0	342.3	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000282_002	Dismissed	Unplanned	Withdrawal unavailability	2018-06-28T04:43:25+01:00	2018-06-28T02:20:00+01:00	2018-06-28T08:00:00+01:00	GWh/d	342.3	0	342.3	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000282_001	Dismissed	Unplanned	Withdrawal unavailability	2018-06-28T02:52:44+01:00	2018-06-28T02:20:00+01:00	2018-06-28T05:00:00+01:00	GWh/d	342.3	0	342.3	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000281_002	Inactive	Unplanned	Storage unavailability	2018-06-14T13:01:52+01:00	2018-06-14T00:21:00+01:00	2018-06-14T12:00:00+01:00	TWh	0.34698	1.8182417	2.1652217	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000281_001	Dismissed	Unplanned	Storage unavailability	2018-06-14T00:24:08+01:00	2018-06-14T00:21:00+01:00	2018-06-14T12:00:00+01:00	TWh	0.34698	1.8182417	2.1652217	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000233_002	Inactive	Planned	Withdrawal unavailability	2018-06-11T14:38:54+01:00	2018-05-28T05:00:00+01:00	2018-06-11T14:30:00+01:00	GWh/d	121.5	220.8	342.3	Planned Outage	Planned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000233_001	Dismissed	Planned	Withdrawal unavailability	2018-01-26T14:04:39+00:00	2018-05-28T05:00:00+01:00	2018-06-12T05:00:00+01:00	GWh/d	121.5	220.8	342.3	Planned Outage	Planned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000276_002	Dismissed	Unplanned	Injection unavailability	2018-06-05T12:10:19+01:00	2018-06-05T09:30:00+01:00	2018-06-05T13:30:00+01:00	GWh/d	111	200.56	311.56	Failure	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000276_001	Dismissed	Unplanned	Injection unavailability	2018-06-05T09:11:38+01:00	2018-06-05T09:30:00+01:00	2018-06-05T13:30:00+01:00	GWh/d	111	200.56	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000273_002	Inactive	Unplanned	Storage unavailability	2018-05-24T19:41:31+01:00	2018-05-24T10:25:00+01:00	2018-05-24T19:00:00+01:00	TWh	0.347	1.8182217	2.1652217	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000273_001	Dismissed	Unplanned	Storage unavailability	2018-05-24T10:27:39+01:00	2018-05-24T10:25:00+01:00	2018-05-24T19:00:00+01:00	TWh	0.347	1.8182217	2.1652217	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000231_004	Inactive	Planned	Withdrawal unavailability	2018-05-24T06:01:52+01:00	2018-05-09T05:00:00+01:00	2018-05-24T05:00:00+01:00	GWh/d	220.8	0	342.3	Planned Outage	Planned - Full Site Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000231_003	Dismissed	Planned	Withdrawal unavailability	2018-05-18T16:00:38+01:00	2018-05-09T05:00:00+01:00	2018-05-24T05:00:00+01:00	GWh/d	220.8	0	342.3	Planned Outage	Planned - Full Site Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000231_002	Dismissed	Planned	Withdrawal unavailability	2018-01-26T14:02:56+00:00	2018-05-09T05:00:00+01:00	2018-05-23T05:00:00+01:00	GWh/d	220.8	0	342.3	Planned Outage	Planned - Full Site Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000231_001	Dismissed	Planned	Withdrawal unavailability	2018-01-26T14:02:33+00:00	2018-05-09T05:00:00+01:00	2018-05-23T05:00:00+01:00	GWh/d	220.8	0	342.3	Planned Outage	Planned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000230_003	Inactive	Planned	Withdrawal unavailability	2018-05-24T00:28:37+01:00	2018-05-06T05:00:00+01:00	2018-05-24T01:00:00+01:00	GWh/d	121.5	220.8	342.3	Planned Outage	Planned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000230_002	Dismissed	Planned	Withdrawal unavailability	2018-05-21T10:28:14+01:00	2018-05-06T05:00:00+01:00	2018-05-24T05:00:00+01:00	GWh/d	121.5	220.8	342.3	Planned Outage	Planned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000230_001	Dismissed	Planned	Withdrawal unavailability	2018-01-26T14:01:46+00:00	2018-05-06T05:00:00+01:00	2018-05-23T05:00:00+01:00	GWh/d	121.5	220.8	342.3	Planned Outage	Planned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000232_003	Inactive	Planned	Injection unavailability	2018-05-23T11:46:50+01:00	2018-05-09T05:00:00+01:00	2018-05-23T11:45:00+01:00	GWh/d	311.56	0	311.56	Planned Outage	Planned - full site outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000232_002	Dismissed	Planned	Injection unavailability	2018-05-18T15:59:41+01:00	2018-05-09T05:00:00+01:00	2018-05-24T05:00:00+01:00	GWh/d	311.56	0	311.56	Planned Outage	Planned - full site outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000232_001	Dismissed	Planned	Injection unavailability	2018-01-26T14:03:49+00:00	2018-05-09T05:00:00+01:00	2018-05-23T05:00:00+01:00	GWh/d	311.56	0	311.56	Planned Outage	Planned - full site 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.