Last update at: 2021-02-17T17:00:00+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
< 3 4 5 6 7 >
Aldbrough	ALD_000000000000000000505_001	Dismissed	Unplanned	Injection unavailability	2020-09-20T08:54:10+01:00	2020-09-20T09:00:00+01:00	2020-09-27T18:00:00+01:00	GWh/d	111.02	200.54	311.56	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000504_005	Inactive	Planned	Storage unavailability	2020-09-21T20:01:52+01:00	2020-09-20T09:00:00+01:00	2020-09-21T19:00:00+01:00	TWh	0.80304	1.5322256	2.3352656	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000504_004	Dismissed	Planned	Storage unavailability	2020-09-21T14:12:43+01:00	2020-09-20T09:00:00+01:00	2020-09-21T19:00:00+01:00	TWh	0.80304	1.5322256	2.3352656	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000504_003	Dismissed	Planned	Storage unavailability	2020-09-21T12:59:33+01:00	2020-09-20T09:00:00+01:00	2020-09-21T15:00:00+01:00	TWh	0.80304	1.5322256	2.3352656	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000504_002	Dismissed	Planned	Storage unavailability	2020-09-20T08:51:58+01:00	2020-09-20T09:00:00+01:00	2020-09-21T12:00:00+01:00	TWh	0.80304	1.5322256	2.3352656	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000504_001	Dismissed	Planned	Storage unavailability	2020-09-18T12:54:36+01:00	2020-09-20T18:00:00+01:00	2020-09-21T12:00:00+01:00	TWh	0.80304	1.5322256	2.3352656	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000508_002	Inactive	Unplanned	Withdrawal unavailability	2020-09-21T13:05:09+01:00	2020-09-21T12:30:00+01:00	2020-09-21T13:05:00+01:00	GWh/d	342.3	0	342.3	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000508_001	Dismissed	Unplanned	Withdrawal unavailability	2020-09-21T12:19:34+01:00	2020-09-21T12:30:00+01:00	2020-09-21T18:30:00+01:00	GWh/d	342.3	0	342.3	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000506_002	Inactive	Planned	Withdrawal unavailability	2020-09-21T09:24:08+01:00	2020-09-20T09:00:00+01:00	2020-09-21T09:24:00+01:00	GWh/d	121.5	220.8	342.3	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000506_001	Dismissed	Planned	Withdrawal unavailability	2020-09-20T08:55:51+01:00	2020-09-20T09:00:00+01:00	2020-09-21T18:00:00+01:00	GWh/d	121.5	220.8	342.3	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000507_002	Inactive	Unplanned	Withdrawal unavailability	2020-09-21T09:23:13+01:00	2020-09-21T02:37:00+01:00	2020-09-21T09:23:00+01:00	GWh/d	121.5	0	342.3	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000507_001	Dismissed	Unplanned	Withdrawal unavailability	2020-09-21T02:42:14+01:00	2020-09-21T02:37:00+01:00	2020-09-21T18:00:00+01:00	GWh/d	121.5	0	342.3	Failure		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000319_010	Inactive	Unplanned	Withdrawal unavailability	2020-09-21T07:01:53+01:00	2019-01-31T12:11:00+00:00	2020-09-21T06:00:00+01:00	GWh/d	30	100	130	Failure	this capacity will be available for limited durations but may not always be responsive to price signals	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000319_009	Dismissed	Unplanned	Withdrawal unavailability	2020-04-07T10:21:40+01:00	2019-01-31T12:11:00+00:00	2020-09-21T06:00:00+01:00	GWh/d	30	100	130	Failure	this capacity will be available for limited durations but may not always be responsive to price signals	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000319_008	Dismissed	Unplanned	Withdrawal unavailability	2020-02-17T12:58:51+00:00	2019-01-31T12:11:00+00:00	2020-06-12T05:00:00+01:00	GWh/d	30	100	130	Failure	this capacity will be available for limited durations but may not always be responsive to price signals	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000319_007	Dismissed	Unplanned	Withdrawal unavailability	2019-11-12T16:33:42+00:00	2019-01-31T12:11:00+00:00	2020-06-30T18:00:00+01:00	GWh/d	30	100	130	Failure	this capacity will be available for limited durations but may not always be responsive to price signals	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000319_006	Dismissed	Unplanned	Withdrawal unavailability	2019-10-02T15:18:39+01:00	2019-01-31T12:11:00+00:00	2020-06-30T18:00:00+01:00	GWh/d	30	100	130	Failure		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000319_005	Dismissed	Unplanned	Withdrawal unavailability	2019-08-20T08:56:04+01:00	2019-01-31T12:11:00+00:00	2019-11-30T18:00:00+00:00	GWh/d	30	100	130	Failure		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000319_004	Dismissed	Unplanned	Withdrawal unavailability	2019-06-14T22:27:51+01:00	2019-01-31T12:11:00+00:00	2019-08-31T18:00:00+01:00	GWh/d	30	100	130	Failure		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000319_003	Dismissed	Unplanned	Withdrawal unavailability	2019-03-28T13:55:39+00:00	2019-01-31T12:11:00+00:00	2019-07-31T18:00:00+01:00	GWh/d	30	100	130	Failure		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000319_002	Dismissed	Unplanned	Withdrawal unavailability	2019-02-04T08:56:40+00:00	2019-01-31T12:11:00+00:00	2019-03-31T18:00:00+01:00	GWh/d	30	100	130	Failure		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000319_001	Dismissed	Unplanned	Withdrawal unavailability	2019-01-31T12:14:13+00:00	2019-01-31T12:11:00+00:00	2019-02-04T16:00:00+00:00	GWh/d	30	100	130	Failure	unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000479_003	Active	Planned	Injection unavailability	2020-09-20T09:03:10+01:00	2024-05-12T05:00:00+01:00	2024-05-21T18:00:00+01:00	GWh/d	311.56	0	311.56	Planned Outage	Full Site Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000479_002	Dismissed	Planned	Injection unavailability	2020-09-20T08:57:21+01:00	2024-05-12T05:00:00+01:00	2024-05-21T09:00:00+01:00	GWh/d	311.56	0	311.56	Planned Outage	Full Site Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000479_001	Dismissed	Planned	Injection unavailability	2020-07-11T16:25:45+01:00	2024-05-12T05:00:00+01:00	2024-05-24T18:00:00+01:00	GWh/d	311.56	0	311.56	Planned Outage	Full Site Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000427_003	Inactive	Planned	Injection unavailability	2020-09-20T09:01:45+01:00	2020-09-13T05:00:00+01:00	2020-09-20T09:02:00+01:00	GWh/d	311.56	0	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000427_002	Dismissed	Planned	Injection unavailability	2020-04-07T10:15:26+01:00	2020-09-13T05:00:00+01:00	2020-09-20T18:00:00+01:00	GWh/d	311.56	0	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000427_001	Dismissed	Planned	Injection unavailability	2020-01-29T09:40:54+00:00	2020-05-11T05:00:00+01:00	2020-05-18T18:00:00+01:00	GWh/d	311.56	0	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000428_003	Inactive	Planned	Withdrawal unavailability	2020-09-20T09:00:32+01:00	2020-09-13T05:00:00+01:00	2020-09-20T09:00:00+01:00	GWh/d	342.3	0	342.3	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000428_002	Dismissed	Planned	Withdrawal unavailability	2020-04-07T10:16:17+01:00	2020-09-13T05:00:00+01:00	2020-09-20T18:00:00+01:00	GWh/d	342.3	0	342.3	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000428_001	Dismissed	Planned	Withdrawal unavailability	2020-01-29T09:42:51+00:00	2020-05-11T05:00:00+01:00	2020-05-18T18:00:00+01:00	GWh/d	342.3	0	342.3	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000429_003	Inactive	Planned	Withdrawal unavailability	2020-09-13T06:01:53+01:00	2020-09-05T05:00:00+01:00	2020-09-13T05:00:00+01:00	GWh/d	121.5	220.8	342.3	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000429_002	Dismissed	Planned	Withdrawal unavailability	2020-04-07T10:17:35+01:00	2020-09-05T05:00:00+01:00	2020-09-13T05:00:00+01:00	GWh/d	121.5	220.8	342.3	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000429_001	Dismissed	Planned	Withdrawal unavailability	2020-01-29T09:46:22+00:00	2020-05-03T05:00:00+01:00	2020-05-11T05:00:00+01:00	GWh/d	121.5	220.8	342.3	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000503_002	Inactive	Planned	Storage unavailability	2020-08-26T15:19:25+01:00	2020-08-24T05:00:00+01:00	2020-08-26T15:20:00+01:00	TWh	0.39886	1.9364056	2.3352656	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000503_001	Dismissed	Planned	Storage unavailability	2020-08-23T22:00:44+01:00	2020-08-24T05:00:00+01:00	2020-08-26T23:00:00+01:00	TWh	0.39886	1.9364056	2.3352656	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000502_002	Inactive	Planned	Storage unavailability	2020-08-14T20:13:51+01:00	2020-08-12T20:37:00+01:00	2020-08-14T20:10:00+01:00	TWh	0.36066	1.9746056	2.3352656	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000502_001	Dismissed	Planned	Storage unavailability	2020-08-12T20:37:58+01:00	2020-08-12T20:37:00+01:00	2020-08-15T23:00:00+01:00	TWh	0.36066	1.9746056	2.3352656	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000501_002	Inactive	Planned	Storage unavailability	2020-08-12T20:29:13+01:00	2020-08-10T07:00:00+01:00	2020-08-12T20:28:00+01:00	TWh	0.38382526	1.95144034	2.3352656	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000501_001	Dismissed	Planned	Storage unavailability	2020-08-10T06:07:29+01:00	2020-08-10T07:00:00+01:00	2020-08-12T23:00:00+01:00	TWh	0.38382526	1.95144034	2.3352656	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000500_003	Inactive	Unplanned	Withdrawal unavailability	2020-08-07T15:57:47+01:00	2020-08-05T16:00:00+01:00	2020-08-07T15:57:00+01:00	GWh/d	33.33	96.67	130	Failure		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000500_002	Dismissed	Unplanned	Withdrawal unavailability	2020-08-06T15:25:58+01:00	2020-08-05T16:00:00+01:00	2020-08-07T16:00:00+01:00	GWh/d	33.33	96.67	130	Failure		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000500_001	Dismissed	Unplanned	Withdrawal unavailability	2020-08-05T16:04:19+01:00	2020-08-05T16:00:00+01:00	2020-08-06T16:00:00+01:00	GWh/d	33.33	96.67	130	Failure		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000498_002	Active	Planned	Withdrawal unavailability	2020-07-28T17:58:18+01:00	2024-07-01T05:00:00+01:00	2024-07-15T05:00:00+01:00	GWh/d	130	0	130	Planned Outage		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000498_001	Dismissed	Planned	Withdrawal unavailability	2020-07-28T14:11:39+01:00	2020-07-01T05:00:00+01:00	2024-07-15T05:00:00+01:00	GWh/d	130	0	130	Planned Outage		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000488_002	Dismissed	Planned	Withdrawal unavailability	2020-07-28T14:42:30+01:00	2021-07-08T05:00:00+01:00	2021-07-15T05:00:00+01:00	GWh/d	97.44	32.56	130	Planned Outage		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000488_001	Dismissed	Planned	Withdrawal unavailability	2020-07-11T21:35:53+01:00	2021-07-08T05:00:00+01:00	2021-07-15T05:00:00+01:00	GWh/d	97.44	32.56	130	Planned Outage		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000487_002	Active	Planned	Withdrawal unavailability	2020-07-28T14:41:53+01:00	2021-07-01T05:00:00+01:00	2021-07-15T05:00:00+01:00	GWh/d	130	0	130	Planned Outage		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000487_001	Dismissed	Planned	Withdrawal unavailability	2020-07-11T21:34:14+01:00	2021-07-01T05:00:00+01:00	2021-07-08T05:00:00+01:00	GWh/d	130	0	130	Planned Outage		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000491_002	Dismissed	Planned	Withdrawal unavailability	2020-07-28T14:39:42+01:00	2022-07-08T05:00:00+01:00	2022-07-15T05:00:00+01:00	GWh/d	97.44	32.56	130	Planned Outage		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.