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
1 2 3 4 5 >
Atwick	ATW_000000000000000000176_001	Dismissed	Planned	Withdrawal unavailability	2017-06-15T16:31:43+01:00	2017-07-01T08:00:00+01:00	2017-07-24T18:00:00+01:00	GWh/d	32.4	67.04	130	Planned Outage	Planned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000139_001	Dismissed	Planned	Injection unavailability	2017-03-17T17:03:13+00:00	2017-10-29T05:00:00+00:00	2017-11-14T05:00:00+00:00	GWh/d	111	200	311	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000137_002	Dismissed	Planned	Injection unavailability	2017-07-20T09:09:27+01:00	2017-10-16T05:00:00+01:00	2017-10-21T05:00:00+01:00	GWh/d	111	200	311	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000137_001	Dismissed	Planned	Injection unavailability	2017-03-17T17:00:48+00:00	2017-10-16T05:00:00+01:00	2017-10-21T05:00:00+01:00	GWh/d	111	200	311	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000149_004	Dismissed	Planned	Withdrawal unavailability	2017-06-15T16:30:23+01:00	2017-07-25T08:00:00+01:00	2017-08-28T18:00:00+01:00	GWh/d	67.04	32.56	130	Planned Outage	Planned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000149_003	Dismissed	Planned	Withdrawal unavailability	2017-05-10T15:31:07+01:00	2017-09-02T08:00:00+01:00	2017-09-10T16:00:00+01:00	GWh/d	67.04	32.56	130	Planned Outage	Planned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000149_002	Dismissed	Planned	Withdrawal unavailability	2017-05-10T15:27:03+01:00	2017-09-02T08:00:00+01:00	2017-09-10T16:00:00+01:00	GWh/d	67.04	62.96	130	Planned Outage	Planned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000149_001	Dismissed	Planned	Withdrawal unavailability	2017-03-29T15:13:14+01:00	2017-09-02T08:00:00+01:00	2017-09-10T16:00:00+01:00	GWh/d	97.44	32.56	130	Planned Outage	Planned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000167_002	Inactive	Planned	Withdrawal unavailability	2017-06-15T16:39:34+01:00	2017-07-29T08:00:00+01:00	2017-08-21T16:00:00+01:00	GWh/d	32.4	67.2	130	Planned Outage	Planned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000167_001	Dismissed	Planned	Withdrawal unavailability	2017-05-10T15:30:23+01:00	2017-07-29T08:00:00+01:00	2017-08-21T16:00:00+01:00	GWh/d	32.4	67.2	130	Planned Outage	Planned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000136_005	Inactive	Planned	Withdrawal unavailability	2017-06-04T16:09:59+01:00	2017-05-23T08:32:00+01:00	2017-06-04T15:35:00+01:00	GWh/d	121.5	220.5	342	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000136_004	Dismissed	Planned	Withdrawal unavailability	2017-05-23T09:12:56+01:00	2017-05-23T08:32:00+01:00	2017-06-05T05:00:00+01:00	GWh/d	121.5	220.5	342	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000136_003	Dismissed	Planned	Withdrawal unavailability	2017-05-22T17:42:21+01:00	2017-05-24T06:00:00+01:00	2017-06-05T05:00:00+01:00	GWh/d	121.5	220.5	342	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000136_002	Dismissed	Planned	Withdrawal unavailability	2017-05-19T09:46:03+01:00	2017-05-22T18:00:00+01:00	2017-06-05T05:00:00+01:00	GWh/d	121.5	220.5	342	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000136_001	Dismissed	Planned	Withdrawal unavailability	2017-03-17T16:58:29+00:00	2017-05-22T05:00:00+01:00	2017-06-05T05:00:00+01:00	GWh/d	121.5	220.5	342	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000134_007	Inactive	Planned	Withdrawal unavailability	2017-05-23T09:11:13+01:00	2017-05-19T13:52:00+01:00	2017-05-23T08:32:00+01:00	GWh/d	121.5	220.5	342	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000134_006	Dismissed	Planned	Withdrawal unavailability	2017-05-22T17:41:46+01:00	2017-05-19T13:52:00+01:00	2017-05-24T06:00:00+01:00	GWh/d	121.5	220.5	342	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000134_005	Dismissed	Planned	Withdrawal unavailability	2017-05-19T14:15:46+01:00	2017-05-19T13:52:00+01:00	2017-05-22T18:00:00+01:00	GWh/d	121.5	220.5	342	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000134_004	Dismissed	Planned	Withdrawal unavailability	2017-05-19T09:45:10+01:00	2017-05-19T18:00:00+01:00	2017-05-22T18:00:00+01:00	GWh/d	121.5	220.5	342	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000134_003	Dismissed	Planned	Withdrawal unavailability	2017-05-18T10:24:12+01:00	2017-05-19T18:00:00+01:00	2017-05-20T05:00:00+01:00	GWh/d	121.5	220.5	342	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000134_002	Dismissed	Planned	Withdrawal unavailability	2017-05-15T06:53:36+01:00	2017-05-19T05:00:00+01:00	2017-05-20T05:00:00+01:00	GWh/d	121.5	220.5	342	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000134_001	Dismissed	Planned	Withdrawal unavailability	2017-03-17T16:55:10+00:00	2017-05-15T05:00:00+01:00	2017-05-20T05:00:00+01:00	GWh/d	121.5	220.5	342	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000133_005	Inactive	Planned	Withdrawal unavailability	2017-05-19T14:08:20+01:00	2017-05-07T05:00:00+01:00	2017-05-19T13:52:00+01:00	GWh/d	342	0	342	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000133_004	Dismissed	Planned	Withdrawal unavailability	2017-05-18T10:23:42+01:00	2017-05-07T05:00:00+01:00	2017-05-19T18:00:00+01:00	GWh/d	342	0	342	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000133_003	Dismissed	Planned	Withdrawal unavailability	2017-05-14T20:24:41+01:00	2017-05-07T05:00:00+01:00	2017-05-19T05:00:00+01:00	GWh/d	342	0	342	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	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_004	Inactive	Planned	Injection unavailability	2017-05-19T14:06:50+01:00	2017-05-07T05:00:00+01:00	2017-05-19T13:52:00+01:00	GWh/d	311	0	311	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000135_003	Dismissed	Planned	Injection unavailability	2017-05-18T10:23:07+01:00	2017-05-07T05:00:00+01:00	2017-05-19T18:00:00+01:00	GWh/d	311	0	311	Planned Outage	Planned outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000135_002	Dismissed	Planned	Injection unavailability	2017-05-14T20:25:00+01:00	2017-05-07T05:00:00+01:00	2017-05-19T05:00:00+01:00	GWh/d	311	0	311	Planned Outage	Planned 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
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_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_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_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_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_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_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_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_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_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_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

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.