Last update at: 2020-03-16T08:30:00+00:00

**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 >
Atwick	ATW_000000000000000000152_002	Inactive	Unplanned	Withdrawal unavailability	2017-04-05T12:54:40+01:00	2017-04-05T08:00:00+01:00	2017-04-05T11:30:00+01:00	GWh/d	99.6	0	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000152_001	Dismissed	Unplanned	Withdrawal unavailability	2017-03-31T13:24:20+01:00	2017-04-05T08:00:00+01:00	2017-04-05T12:00:00+01:00	GWh/d	99.6	0	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000153_002	Dismissed	Unplanned	Injection unavailability	2017-04-06T16:29:11+01:00	2017-04-06T14:00:00+01:00	2017-04-06T16:00:00+01:00	GWh/d	111.02	199.98	311	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000153_001	Dismissed	Unplanned	Injection unavailability	2017-04-06T12:06:56+01:00	2017-04-06T14:00:00+01:00	2017-04-06T16:00:00+01:00	GWh/d	111.02	199.98	311	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000150_002	Inactive	Unplanned	Withdrawal unavailability	2017-04-13T15:03:51+01:00	2017-04-13T08:00:00+01:00	2017-04-13T14:55:00+01:00	GWh/d	99.6	0	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000151_002	Inactive	Unplanned	Injection unavailability	2017-04-13T15:03:08+01:00	2017-04-13T08:00:00+01:00	2017-04-13T14:55:00+01:00	GWh/d	30	0	30	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000150_001	Dismissed	Unplanned	Withdrawal unavailability	2017-03-31T09:24:02+01:00	2017-04-13T08:00:00+01:00	2017-04-13T16:00:00+01:00	GWh/d	99.6	0	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000151_001	Dismissed	Unplanned	Injection unavailability	2017-03-31T09:26:13+01:00	2017-04-13T08:00:00+01:00	2017-04-13T16:00:00+01:00	GWh/d	30	0	30	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000154_002	Inactive	Unplanned	Withdrawal unavailability	2017-04-25T10:29:59+01:00	2017-04-25T09:25:00+01:00	2017-04-25T10:28:00+01:00	GWh/d	342	0	342	Failure	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000155_002	Inactive	Unplanned	Injection unavailability	2017-04-25T10:29:28+01:00	2017-04-25T09:25:00+01:00	2017-04-25T10:28:00+01:00	GWh/d	311	0	311	Failure	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000154_001	Dismissed	Unplanned	Withdrawal unavailability	2017-04-25T09:35:35+01:00	2017-04-25T09:25:00+01:00	2017-04-25T10:30:00+01:00	GWh/d	342	0	342	Failure	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000155_001	Dismissed	Unplanned	Injection unavailability	2017-04-25T09:36:18+01:00	2017-04-25T09:25:00+01:00	2017-04-25T10:30:00+01:00	GWh/d	311	0	311	Failure	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000156_002	Inactive	Unplanned	Injection unavailability	2017-05-01T12:12:54+01:00	2017-05-01T10:15:00+01:00	2017-05-01T12:10:00+01:00	GWh/d	111	200	311	Failure	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000156_001	Dismissed	Unplanned	Injection unavailability	2017-05-01T10:22:57+01:00	2017-05-01T10:15:00+01:00	2017-05-01T13:00:00+01:00	GWh/d	111	200	311	Failure	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000118_005	Dismissed	Unplanned	Withdrawal unavailability	2017-01-31T14:35:14+00:00	2017-01-29T19:00:00+00:00	2017-05-02T18:00:00+01:00	GWh/d	30.4	99.6	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000157_002	Inactive	Planned	Withdrawal unavailability	2017-05-03T14:05:30+01:00	2017-05-03T08:50:00+01:00	2017-05-03T13:45:00+01:00	GWh/d	33.6	66	130	Planned Outage	Planned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000157_001	Dismissed	Planned	Withdrawal unavailability	2017-05-03T09:02:03+01:00	2017-05-03T08:50:00+01:00	2017-05-03T15:00:00+01:00	GWh/d	33.6	66	130	Planned Outage	Planned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000164_002	Inactive	Unplanned	Injection unavailability	2017-05-04T09:58:08+01:00	2017-05-04T04:48:00+01:00	2017-05-04T09:47:00+01:00	GWh/d	111	200	311	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000164_001	Dismissed	Unplanned	Injection unavailability	2017-05-04T04:49:56+01:00	2017-05-04T04:48:00+01:00	2017-05-04T10:00:00+01:00	GWh/d	111	200	311	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000132_002	Inactive	Planned	Withdrawal unavailability	2017-05-07T06:01:52+01:00	2017-05-05T05:00:00+01:00	2017-05-07T05:00:00+01:00	GWh/d	121.5	220.5	342	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000132_001	Dismissed	Planned	Withdrawal unavailability	2017-03-17T16:49:21+00:00	2017-05-05T05:00:00+01:00	2017-05-07T05:00:00+01:00	GWh/d	121.5	220.5	342	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000140_003	Dismissed	Planned	Withdrawal unavailability	2017-05-05T08:55:39+01:00	2017-05-07T09:00:00+01:00	2017-05-07T14:00:00+01:00	GWh/d	130	0	130	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000140_002	Dismissed	Planned	Withdrawal unavailability	2017-05-03T11:11:47+01:00	2017-05-07T09:00:00+01:00	2017-05-07T14:00:00+01:00	GWh/d	130	0	130	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000166_001	Dismissed	Planned	Withdrawal unavailability	2017-05-05T15:33:34+01:00	2017-05-07T11:00:00+01:00	2017-05-07T16:00:00+01:00	GWh/d	130	0	130	Planned Outage	Planned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000165_002	Dismissed	Planned	Injection unavailability	2017-05-05T15:56:29+01:00	2017-05-07T11:00:00+01:00	2017-05-07T16:00:00+01:00	GWh/d	30	0	30	Planned Outage	Planned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000165_001	Dismissed	Planned	Injection unavailability	2017-05-05T15:32:54+01:00	2017-05-07T11:00:00+01:00	2017-05-07T16:00:00+01:00	GWh/d	30	0	30	Planned Outage	Planned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000140_001	Dismissed	Planned	Withdrawal unavailability	2017-03-19T16:09:14+00:00	2017-05-07T08:00:00+01:00	2017-05-07T16:00:00+01:00	GWh/d	130	0	130	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000166_002	Inactive	Planned	Withdrawal unavailability	2017-05-07T16:18:27+01:00	2017-05-07T11:00:00+01:00	2017-05-07T16:18:00+01:00	GWh/d	130	0	130	Planned Outage	Planned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000141_002	Dismissed	Planned	Withdrawal unavailability	2017-05-03T11:12:15+01:00	2017-05-08T09:00:00+01:00	2017-05-08T14:00:00+01:00	GWh/d	130	0	130	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000141_004	Inactive	Planned	Withdrawal unavailability	2017-05-08T15:01:34+01:00	2017-05-08T10:00:00+01:00	2017-05-08T14:15:00+01:00	GWh/d	130	0	130	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000141_003	Dismissed	Planned	Withdrawal unavailability	2017-05-07T20:06:19+01:00	2017-05-08T10:00:00+01:00	2017-05-08T15:00:00+01:00	GWh/d	130	0	130	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000141_001	Dismissed	Planned	Withdrawal unavailability	2017-03-19T16:10:17+00:00	2017-05-08T08:00:00+01:00	2017-05-08T16:00:00+01:00	GWh/d	130	0	130	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000142_003	Dismissed	Planned	Withdrawal unavailability	2017-05-08T16:43:29+01:00	2017-05-09T09:00:00+01:00	2017-05-09T14:00:00+01:00	GWh/d	130	0	130	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000142_002	Dismissed	Planned	Withdrawal unavailability	2017-05-03T11:13:16+01:00	2017-05-09T09:00:00+01:00	2017-05-09T14:00:00+01:00	GWh/d	130	0	130	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000142_001	Dismissed	Planned	Withdrawal unavailability	2017-03-19T16:11:13+00:00	2017-05-09T08:00:00+01:00	2017-05-09T16:00:00+01:00	GWh/d	130	0	130	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000143_003	Dismissed	Planned	Withdrawal unavailability	2017-05-08T16:43:44+01:00	2017-05-10T09:00:00+01:00	2017-05-10T14:00:00+01:00	GWh/d	130	0	130	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000143_002	Dismissed	Planned	Withdrawal unavailability	2017-05-03T11:13:42+01:00	2017-05-10T09:00:00+01:00	2017-05-10T14:00:00+01:00	GWh/d	130	0	130	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000143_001	Dismissed	Planned	Withdrawal unavailability	2017-03-19T16:12:57+00:00	2017-05-10T08:00:00+01:00	2017-05-10T16:00:00+01:00	GWh/d	130	0	130	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000144_003	Inactive	Planned	Withdrawal unavailability	2017-05-11T10:43:23+01:00	2017-05-11T09:00:00+01:00	2017-05-11T10:35:00+01:00	GWh/d	130	0	130	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000144_002	Dismissed	Planned	Withdrawal unavailability	2017-05-03T11:14:04+01:00	2017-05-11T09:00:00+01:00	2017-05-11T14:00:00+01:00	GWh/d	130	0	130	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000144_001	Dismissed	Planned	Withdrawal unavailability	2017-03-19T16:13:46+00:00	2017-05-11T08:00:00+01:00	2017-05-11T16:00:00+01:00	GWh/d	130	0	130	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000145_002	Dismissed	Planned	Withdrawal unavailability	2017-05-03T11:14:28+01:00	2017-05-12T09:00:00+01:00	2017-05-12T14:00:00+01:00	GWh/d	130	0	130	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000145_004	Inactive	Planned	Withdrawal unavailability	2017-05-12T15:28:53+01:00	2017-05-12T09:00:00+01:00	2017-05-12T14:58:00+01:00	GWh/d	130	0	130	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000145_003	Dismissed	Planned	Withdrawal unavailability	2017-05-12T14:19:57+01:00	2017-05-12T09:00:00+01:00	2017-05-12T15:00:00+01:00	GWh/d	130	0	130	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000145_001	Dismissed	Planned	Withdrawal unavailability	2017-03-19T16:14:30+00:00	2017-05-12T08:00:00+01:00	2017-05-12T16:00:00+01:00	GWh/d	130	0	130	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000131_002	Dismissed	Planned	Withdrawal unavailability	2017-03-19T15:36:40+00:00	2017-05-07T05:00:00+01:00	2017-05-13T05:00:00+01:00	GWh/d	0	130	130	Planned Outage	Full site outage 6 hours per day over 6 day period. Times to be confirmed	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000131_001	Dismissed	Planned	Withdrawal unavailability	2017-03-17T16:43:59+00:00	2017-05-07T05:00:00+01:00	2017-05-13T05:00:00+01:00	GWh/d	0	130	130	Planned Outage	Full site outage 6 hours per day over 6 day period. Times to be confirmed	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000133_002	Dismissed	Planned	Withdrawal unavailability	2017-03-17T17:40:48+00:00	2017-05-07T05:00:00+01:00	2017-05-15T05:00:00+01:00	GWh/d	342	0	342	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000133_001	Dismissed	Planned	Withdrawal unavailability	2017-03-17T16:53:51+00:00	2017-05-07T05:00:00+01:00	2017-05-15T05:00:00+01:00	GWh/d	342	0	342	Planned Outage	Full site outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000135_001	Dismissed	Planned	Injection unavailability	2017-03-17T16:56:37+00:00	2017-05-07T05:00:00+01:00	2017-05-15T05:00:00+01:00	GWh/d	311	0	311	Planned Outage	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.