Last update at: 2017-08-11T05:00:00+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	Remarks	Balancing Zone	Affected Asset or Unit EIC Code	Market Participant	Market Participant Code
< 3 4 5 6 7 >
Aldbrough	ALD_000000000000000000123_002	Inactive	Unplanned	Injection unavailability	2017-02-16T12:19:39+00:00	2017-02-16T08:00:00+00:00	2017-02-16T12:15:00+00:00	GWh/d	0	311	311	Planned Outage	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000123_001	Dismissed	Unplanned	Injection unavailability	2017-02-09T14:47:21+00:00	2017-02-16T08:00:00+00:00	2017-02-16T12:00:00+00:00	GWh/d	0	311	311	Planned Outage	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000124_003	Inactive	Unplanned	Withdrawal unavailability	2017-02-16T12:19:08+00:00	2017-02-16T08:00:00+00:00	2017-02-16T12:15:00+00:00	GWh/d	0	342	342	Planned Outage	Planned - Full Site Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000124_002	Dismissed	Unplanned	Withdrawal unavailability	2017-02-09T23:30:43+00:00	2017-02-16T08:00:00+00:00	2017-02-16T12:00:00+00:00	GWh/d	0	342	342	Planned Outage	Planned - Full Site Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000124_001	Dismissed	Planned	Withdrawal unavailability	2017-02-09T14:48:01+00:00	2017-02-16T08:00:00+00:00	2017-02-16T12:00:00+00:00	GWh/d	0	342	342	Planned Outage	Planned - Full Site Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000125_003	Inactive	Unplanned	Withdrawal unavailability	2017-02-12T16:20:06+00:00	2017-02-09T16:25:00+00:00	2017-02-12T16:10:00+00:00	GWh/d	32.4	67.2	130	Failure	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000125_002	Dismissed	Unplanned	Withdrawal unavailability	2017-02-10T09:28:45+00:00	2017-02-09T16:25:00+00:00	2017-02-14T16:00:00+00:00	GWh/d	32.4	67.2	130	Failure	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000125_001	Dismissed	Unplanned	Withdrawal unavailability	2017-02-09T16:29:26+00:00	2017-02-09T16:25:00+00:00	2017-02-11T18:00:00+00:00	GWh/d	32.4	67.2	130	Failure	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000122_003	Inactive	Unplanned	Injection unavailability	2017-02-04T18:12:58+00:00	2017-02-03T16:30:00+00:00	2017-02-04T18:00:00+00:00	GWh/d	111.02	199.98	311	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000122_002	Dismissed	Unplanned	Injection unavailability	2017-02-03T18:55:35+00:00	2017-02-03T16:30:00+00:00	2017-02-05T08:00:00+00:00	GWh/d	111.02	199.98	311	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000122_001	Dismissed	Unplanned	Injection unavailability	2017-02-03T15:58:45+00:00	2017-02-03T16:30:00+00:00	2017-02-03T20:00:00+00:00	GWh/d	111.02	199.98	311	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000121_002	Inactive	Unplanned	Injection unavailability	2017-02-03T07:45:20+00:00	2017-02-03T07:15:00+00:00	2017-02-03T07:36:00+00:00	GWh/d	111	200	311	Failure	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000121_001	Dismissed	Unplanned	Injection unavailability	2017-02-03T07:36:20+00:00	2017-02-03T07:15:00+00:00	2017-02-03T11:15:00+00:00	GWh/d	111	200	311	Failure	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000120_002	Inactive	Unplanned	Injection unavailability	2017-02-02T16:00:44+00:00	2017-02-02T14:10:00+00:00	2017-02-02T15:49:00+00:00	GWh/d	111.02	199.98	311	Failure	Plant Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000120_001	Dismissed	Unplanned	Injection unavailability	2017-02-02T14:32:03+00:00	2017-02-02T14:10:00+00:00	2017-02-02T17:00:00+00:00	GWh/d	111.02	199.98	311	Failure	Plant Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000114_002	Inactive	Unplanned	Withdrawal unavailability	2017-02-02T12:54:49+00:00	2017-02-02T08:00:00+00:00	2017-02-02T12:52:00+00:00	GWh/d	342	0	342	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000114_001	Dismissed	Unplanned	Withdrawal unavailability	2017-01-24T15:11:46+00:00	2017-02-02T08:00:00+00:00	2017-02-02T16:00:00+00:00	GWh/d	342	0	342	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000115_002	Inactive	Unplanned	Injection unavailability	2017-02-02T12:54:21+00:00	2017-02-02T08:00:00+00:00	2017-02-02T12:52:00+00:00	GWh/d	311	0	311	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000115_001	Dismissed	Unplanned	Injection unavailability	2017-01-24T15:12:40+00:00	2017-02-02T08:00:00+00:00	2017-02-02T16:00:00+00:00	GWh/d	311	0	311	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000110_003	Inactive	Unplanned	Withdrawal unavailability	2017-02-01T16:17:18+00:00	2017-02-01T12:00:00+00:00	2017-02-01T16:00:00+00:00	GWh/d	130	0	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000110_002	Dismissed	Unplanned	Withdrawal unavailability	2017-01-25T09:13:48+00:00	2017-02-01T12:00:00+00:00	2017-02-01T16:00:00+00:00	GWh/d	130	0	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000110_001	Dismissed	Unplanned	Withdrawal unavailability	2017-01-20T16:05:48+00:00	2017-01-27T08:00:00+00:00	2017-01-27T12:00:00+00:00	GWh/d	130	0	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000109_003	Inactive	Unplanned	Withdrawal unavailability	2017-02-01T13:02:32+00:00	2017-02-01T08:00:00+00:00	2017-02-01T12:00:00+00:00	GWh/d	130	0	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000109_002	Dismissed	Unplanned	Withdrawal unavailability	2017-01-25T09:08:15+00:00	2017-02-01T08:00:00+00:00	2017-02-01T12:00:00+00:00	GWh/d	130	0	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000109_001	Dismissed	Unplanned	Withdrawal unavailability	2017-01-20T16:03:26+00:00	2017-01-26T08:00:00+00:00	2017-01-26T12:00:00+00:00	GWh/d	130	0	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000119_003	Inactive	Unplanned	Withdrawal unavailability	2017-01-31T13:31:58+00:00	2017-01-30T08:51:00+00:00	2017-01-31T13:20:00+00:00	GWh/d	32.4	62.4	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000119_002	Dismissed	Unplanned	Withdrawal unavailability	2017-01-30T09:38:31+00:00	2017-01-30T08:51:00+00:00	2017-01-31T16:00:00+00:00	GWh/d	32.4	62.4	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000119_001	Dismissed	Unplanned	Withdrawal unavailability	2017-01-30T09:37:22+00:00	2017-01-30T08:51:00+00:00	2017-01-31T16:00:00+00:00	GWh/d	32.4	62.4	130	Planned Outage		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000117_004	Inactive	Unplanned	Withdrawal unavailability	2017-01-29T19:02:08+00:00	2017-01-28T10:15:00+00:00	2017-01-29T19:00:00+00:00	GWh/d	80	50	130	Failure	Failure	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000117_003	Dismissed	Unplanned	Withdrawal unavailability	2017-01-29T17:50:35+00:00	2017-01-28T10:15:00+00:00	2017-01-29T19:00:00+00:00	GWh/d	80	50	130	Failure	Failure	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000117_002	Dismissed	Unplanned	Withdrawal unavailability	2017-01-29T08:52:01+00:00	2017-01-28T10:15:00+00:00	2017-01-29T18:00:00+00:00	GWh/d	80	50	130	Failure	Failure	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000117_001	Dismissed	Unplanned	Withdrawal unavailability	2017-01-28T10:50:15+00:00	2017-01-28T10:15:00+00:00	2017-01-29T12:00:00+00:00	GWh/d	80	50	130	Failure	Failure	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000112_003	Dismissed	Unplanned	Withdrawal unavailability	2017-01-27T11:42:05+00:00	2017-02-03T12:00:00+00:00	2017-02-03T16:00:00+00:00	GWh/d	130	0	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000112_002	Dismissed	Unplanned	Withdrawal unavailability	2017-01-25T09:23:19+00:00	2017-02-03T12:00:00+00:00	2017-02-03T16:00:00+00:00	GWh/d	130	0	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000112_001	Dismissed	Unplanned	Withdrawal unavailability	2017-01-20T16:07:47+00:00	2017-02-10T08:00:00+00:00	2017-02-10T12:00:00+00:00	GWh/d	130	0	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000111_002	Dismissed	Unplanned	Withdrawal unavailability	2017-01-27T11:40:04+00:00	2017-02-03T08:00:00+00:00	2017-02-03T12:00:00+00:00	GWh/d	130	0	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000111_001	Dismissed	Unplanned	Withdrawal unavailability	2017-01-20T16:06:48+00:00	2017-02-03T08:00:00+00:00	2017-02-03T12:00:00+00:00	GWh/d	130	0	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000116_002	Dismissed	Unplanned	Storage unavailability	2017-01-27T07:19:53+00:00	2017-01-27T06:00:00+00:00	2017-01-30T18:00:00+00:00	TWh	0.288	2.363972284	2.651972284	Planned Outage		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000116_001	Dismissed	Unplanned	Storage unavailability	2017-01-27T06:57:52+00:00	2017-01-27T06:00:00+00:00	2017-01-30T18:00:00+00:00	TWh	0.288	2.363972284	2.651972284	Planned Outage		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000113_004	Inactive	Unplanned	Withdrawal unavailability	2017-01-24T15:09:19+00:00	2017-01-23T17:50:00+00:00	2017-01-24T15:00:00+00:00	GWh/d	77.44	52.56	130	Failure	Plant Failure	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000113_003	Dismissed	Unplanned	Withdrawal unavailability	2017-01-24T08:54:18+00:00	2017-01-23T17:50:00+00:00	2017-01-24T15:00:00+00:00	GWh/d	77.44	52.56	130	Failure	Plant Failure	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000113_002	Dismissed	Unplanned	Withdrawal unavailability	2017-01-24T07:36:09+00:00	2017-01-23T17:50:00+00:00	2017-01-24T12:00:00+00:00	GWh/d	77.44	52.56	130	Failure	Plant Failure	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000113_001	Dismissed	Unplanned	Withdrawal unavailability	2017-01-23T17:58:35+00:00	2017-01-23T17:50:00+00:00	2017-01-24T12:00:00+00:00	GWh/d	97.44	32.56	130	Failure	Plant Failure	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000101_002	Dismissed	Unplanned	Injection unavailability	2017-01-24T13:45:11+00:00	2017-01-25T08:00:00+00:00	2017-01-25T16:00:00+00:00	GWh/d	311	0	311	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000101_001	Dismissed	Unplanned	Injection unavailability	2017-01-12T15:13:43+00:00	2017-01-25T08:00:00+00:00	2017-01-25T16:00:00+00:00	GWh/d	311	0	311	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000102_002	Dismissed	Unplanned	Withdrawal unavailability	2017-01-24T13:44:03+00:00	2017-01-25T08:00:00+00:00	2017-01-25T16:00:00+00:00	GWh/d	342	0	342	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000102_001	Dismissed	Unplanned	Withdrawal unavailability	2017-01-12T15:17:27+00:00	2017-01-25T08:00:00+00:00	2017-01-25T16:00:00+00:00	GWh/d	342	0	342	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000108_002	Inactive	Unplanned	Storage unavailability	2017-01-19T18:13:22+00:00	2017-01-19T05:00:00+00:00	2017-01-19T17:00:00+00:00	TWh	0.423972634	2.22799965	2.651972284	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000108_001	Dismissed	Unplanned	Storage unavailability	2017-01-16T09:08:03+00:00	2017-01-19T05:00:00+00:00	2017-01-19T19:00:00+00:00	TWh	0.423972634	2.22799965	2.651972284	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000105_003	Inactive	Unplanned	Withdrawal unavailability	2017-01-17T16:43:52+00:00	2017-01-15T03:00:00+00:00	2017-01-17T16:37:00+00:00	GWh/d	130	0	130	Failure	Unplanned	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.