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

All times are in UTC.

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_000000000000000000098_003	Inactive	Unplanned	Storage unavailability	2017-01-02T13:49:40+00:00	2017-01-02T09:00:00+00:00	2017-01-02T13:46:00+00:00	TWh	0.424052678	1.675939547	2.099992225	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000098_002	Dismissed	Unplanned	Storage unavailability	2017-01-02T12:56:12+00:00	2017-01-02T09:00:00+00:00	2017-01-02T13:15:00+00:00	TWh	0.424052678	1.675939547	2.099992225	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000098_001	Dismissed	Unplanned	Storage unavailability	2017-01-02T09:12:06+00:00	2017-01-02T09:00:00+00:00	2017-01-02T13:00:00+00:00	TWh	0.424052678	1.675939547	2.099992225	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000072_004	Inactive	Unplanned	Storage unavailability	2016-11-09T13:19:15+00:00	2016-10-21T15:26:00+01:00	2016-11-09T13:01:00+00:00	TWh	0.34	1.76	2.099992225	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000072_003	Dismissed	Unplanned	Storage unavailability	2016-11-04T09:52:18+00:00	2016-10-21T15:26:00+01:00	2016-11-09T18:00:00+00:00	TWh	0.34	1.76	2.099992225	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000072_002	Dismissed	Unplanned	Storage unavailability	2016-10-28T09:17:22+01:00	2016-10-21T15:26:00+01:00	2016-11-08T18:00:00+00:00	TWh	0.34	1.76	2.099992225	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000072_001	Dismissed	Unplanned	Storage unavailability	2016-10-21T15:50:43+01:00	2016-10-21T15:26:00+01:00	2016-10-31T18:00:00+00:00	TWh	0.3362356	1.763756625	2.099992225	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000059_002	Inactive	Planned	Storage unavailability	2016-09-30T15:07:03+01:00	2016-09-18T07:00:00+01:00	2016-09-30T14:59:00+01:00	TWh	0.07	2.03	2.099992225	Planned Outage	Planned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000059_001	Dismissed	Planned	Storage unavailability	2016-09-18T08:17:38+01:00	2016-09-18T07:00:00+01:00	2016-10-01T19:00:00+01:00	TWh	0.0732	2.026792225	2.099992225	Planned Outage	Planned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000026_002	Dismissed	Unplanned	Storage unavailability	2016-08-14T15:20:26+01:00	2016-08-14T08:37:00+01:00	2016-08-16T18:00:00+01:00	TWh	0.76	1.34	2.099992225	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000026_001	Dismissed	Unplanned	Storage unavailability	2016-08-14T08:38:54+01:00	2016-08-14T08:37:00+01:00	2016-08-16T18:00:00+01:00	TWh	0.76028834	1.339703885	2.099992225	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000027_002	Dismissed	Unplanned	Storage unavailability	2016-08-14T15:20:16+01:00	2016-08-14T09:52:00+01:00	2016-08-16T18:00:00+01:00	TWh	2.1	0	2.099992225	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000027_001	Dismissed	Unplanned	Storage unavailability	2016-08-14T09:56:14+01:00	2016-08-14T09:52:00+01:00	2016-08-16T18:00:00+01:00	TWh	2.099992225	0	2.099992225	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000008_002	Dismissed	Unplanned	Storage unavailability	2016-07-13T10:17:53+01:00	2016-07-17T05:00:00+01:00	2016-07-17T11:00:00+01:00	TWh	2.1	0	2.099992225	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000008_001	Dismissed	Unplanned	Storage unavailability	2016-07-12T18:59:40+01:00	2016-07-17T05:00:00+01:00	2016-07-17T11:00:00+01:00	TWh	2.099992225	0	2.099992225	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	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_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_000000000000000000107_003	Inactive	Unplanned	Storage unavailability	2017-01-17T11:07:42+00:00	2017-01-15T16:10:00+00:00	2017-01-17T12:00:00+00:00	TWh	0.34671603	2.305256254	2.651972284	Failure	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000107_002	Dismissed	Unplanned	Storage unavailability	2017-01-16T16:34:02+00:00	2017-01-15T16:10:00+00:00	2017-01-17T12:00:00+00:00	TWh	0.34671603	2.305256254	2.651972284	Failure	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000107_001	Dismissed	Unplanned	Storage unavailability	2017-01-15T16:12:58+00:00	2017-01-15T16:10:00+00:00	2017-01-16T18:00:00+00:00	TWh	0.34671603	2.305256254	2.651972284	Failure	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000106_003	Inactive	Unplanned	Storage unavailability	2017-01-15T16:11:38+00:00	2017-01-15T12:30:00+00:00	2017-01-15T16:10:00+00:00	TWh	0.557549349	2.094422935	2.651972284	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000106_002	Dismissed	Unplanned	Storage unavailability	2017-01-15T14:26:27+00:00	2017-01-15T12:30:00+00:00	2017-01-15T16:30:00+00:00	TWh	0.557549349	2.094422935	2.651972284	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000106_001	Dismissed	Unplanned	Storage unavailability	2017-01-15T12:12:14+00:00	2017-01-15T12:30:00+00:00	2017-01-15T14:30:00+00:00	TWh	0.557549349	2.094422935	2.651972284	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000100_002	Inactive	Unplanned	Storage unavailability	2017-01-09T17:57:43+00:00	2017-01-09T09:00:00+00:00	2017-01-09T17:57:00+00:00	TWh	0.584426657	2.067545627	2.651972284	Failure		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000100_001	Dismissed	Unplanned	Storage unavailability	2017-01-09T12:37:59+00:00	2017-01-09T09:00:00+00:00	2017-01-09T18:00:00+00:00	TWh	0.584426657	2.067545627	2.651972284	Failure		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000093_004	Inactive	Unplanned	Storage unavailability	2016-12-10T17:14:49+00:00	2016-12-05T07:00:00+00:00	2016-12-10T17:12:00+00:00	TWh	0.288796415	2.363175869	2.651972284	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000093_003	Dismissed	Unplanned	Storage unavailability	2016-12-09T15:44:16+00:00	2016-12-05T07:00:00+00:00	2016-12-10T18:00:00+00:00	TWh	0.288796415	2.363175869	2.651972284	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000093_002	Dismissed	Unplanned	Storage unavailability	2016-12-08T11:31:50+00:00	2016-12-05T07:00:00+00:00	2016-12-09T18:00:00+00:00	TWh	0.288796415	2.363175869	2.651972284	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000093_001	Dismissed	Unplanned	Storage unavailability	2016-12-01T15:37:08+00:00	2016-12-05T07:00:00+00:00	2016-12-08T19:00:00+00:00	TWh	0.288796415	2.363175869	2.651972284	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000092_002	Inactive	Unplanned	Storage unavailability	2016-12-02T08:59:27+00:00	2016-12-02T08:30:00+00:00	2016-12-02T09:00:00+00:00	TWh	0.210833	2.441139284	2.651972284	Planned Outage	unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000092_001	Dismissed	Unplanned	Storage unavailability	2016-11-24T15:29:40+00:00	2016-12-02T08:30:00+00:00	2016-12-02T12:00:00+00:00	TWh	0.210833	2.441139284	2.651972284	Planned Outage	unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000091_003	Inactive	Unplanned	Storage unavailability	2016-11-24T15:42:52+00:00	2016-11-24T07:30:00+00:00	2016-11-24T15:40:00+00:00	TWh	0.21	2.44	2.651972284	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000091_002	Dismissed	Unplanned	Storage unavailability	2016-11-24T13:00:34+00:00	2016-11-24T07:30:00+00:00	2016-11-24T16:00:00+00:00	TWh	0.21	2.44	2.651972284	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000091_001	Dismissed	Unplanned	Storage unavailability	2016-11-24T08:07:53+00:00	2016-11-24T07:30:00+00:00	2016-11-24T13:00:00+00:00	TWh	0.21083321	2.441139074	2.651972284	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000088_003	Inactive	Unplanned	Storage unavailability	2016-11-15T16:17:41+00:00	2016-11-15T13:35:00+00:00	2016-11-15T15:59:00+00:00	TWh	0.42	2.23	2.651972284	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000088_002	Dismissed	Unplanned	Storage unavailability	2016-11-15T13:54:30+00:00	2016-11-15T13:35:00+00:00	2016-11-15T16:00:00+00:00	TWh	0.42	2.23	2.651972284	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000088_001	Dismissed	Unplanned	Storage unavailability	2016-11-15T12:07:07+00:00	2016-11-15T14:00:00+00:00	2016-11-15T16:00:00+00:00	TWh	0.42397	2.228002284	2.651972284	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000087_003	Inactive	Unplanned	Storage unavailability	2016-11-15T13:53:23+00:00	2016-11-15T08:00:00+00:00	2016-11-15T13:35:00+00:00	TWh	0.71	1.94	2.651972284	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000087_002	Dismissed	Unplanned	Storage unavailability	2016-11-15T12:04:47+00:00	2016-11-15T08:00:00+00:00	2016-11-15T14:00:00+00:00	TWh	0.71	1.94	2.651972284	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000087_001	Dismissed	Unplanned	Storage unavailability	2016-11-15T07:55:45+00:00	2016-11-15T08:00:00+00:00	2016-11-15T12:00:00+00:00	TWh	0.712769049	1.939203235	2.651972284	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000083_002	Inactive	Unplanned	Storage unavailability	2016-11-08T16:02:31+00:00	2016-11-08T11:00:00+00:00	2016-11-08T15:00:00+00:00	TWh	0.58443	2.067542284	2.651972284	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000083_001	Dismissed	Unplanned	Storage unavailability	2016-11-08T09:24:40+00:00	2016-11-08T11:00:00+00:00	2016-11-08T15:00:00+00:00	TWh	0.58443	2.067542284	2.651972284	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000080_003	Inactive	Unplanned	Storage unavailability	2016-11-06T16:33:06+00:00	2016-11-04T07:00:00+00:00	2016-11-06T16:32:00+00:00	TWh	0.29	2.36	2.651972284	Planned Outage	Unplanned - Extension of 77_001	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000080_002	Dismissed	Unplanned	Storage unavailability	2016-11-05T18:29:11+00:00	2016-11-04T07:00:00+00:00	2016-11-06T17:00:00+00:00	TWh	0.29	2.36	2.651972284	Planned Outage	Unplanned - Extension of 77_001	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000080_001	Dismissed	Unplanned	Storage unavailability	2016-11-04T17:40:52+00:00	2016-11-04T07:00:00+00:00	2016-11-05T19:00:00+00:00	TWh	0.28879	2.363182284	2.651972284	Planned Outage	Unplanned - Extension of 77_001	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000077_002	Inactive	Unplanned	Storage unavailability	2016-11-04T17:33:08+00:00	2016-11-04T07:00:00+00:00	2016-11-04T17:22:00+00:00	TWh	0.29	2.36	2.651972284	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000077_001	Dismissed	Unplanned	Storage unavailability	2016-10-28T11:56:22+01:00	2016-11-04T07:00:00+00:00	2016-11-04T19:00:00+00:00	TWh	0.28879	2.363182284	2.651972284	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000061_004	Inactive	Unplanned	Storage unavailability	2016-09-28T16:56:01+01:00	2016-09-24T09:54:00+01:00	2016-09-28T16:45:00+01:00	TWh	0.21	1.85	2.651972284	Planned Outage	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.