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	Balancing Zone	Affected Asset or Unit EIC Code	Market Participant	Market Participant Code
1 2 3 4 5 >
Aldbrough	ALD_000000000000000000560_002	Dismissed	Unplanned	Injection unavailability	2021-02-17T16:49:42+00:00	2021-02-16T17:30:00+00:00	2021-02-17T17:00:00+00:00	GWh/d	111.02	200.54	311.56	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000560_001	Dismissed	Unplanned	Injection unavailability	2021-02-16T18:50:50+00:00	2021-02-16T17:30:00+00:00	2021-02-18T18:00:00+00:00	GWh/d	111.02	200.54	311.56	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000557_005	Dismissed	Planned	Withdrawal unavailability	2021-02-16T17:09:30+00:00	2021-02-16T06:30:00+00:00	2021-02-16T17:10:00+00:00	GWh/d	342.3	0	342.3	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000557_004	Dismissed	Planned	Withdrawal unavailability	2021-02-16T10:49:47+00:00	2021-02-16T06:30:00+00:00	2021-02-16T18:00:00+00:00	GWh/d	342.3	0	342.3	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000557_003	Dismissed	Planned	Withdrawal unavailability	2021-02-16T09:29:40+00:00	2021-02-16T06:30:00+00:00	2021-02-16T11:00:00+00:00	GWh/d	342.3	0	342.3	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000557_002	Dismissed	Planned	Withdrawal unavailability	2021-02-16T08:15:39+00:00	2021-02-16T06:30:00+00:00	2021-02-16T09:30:00+00:00	GWh/d	342.3	0	342.3	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000557_001	Dismissed	Planned	Withdrawal unavailability	2021-02-02T19:52:50+00:00	2021-02-16T06:30:00+00:00	2021-02-16T08:30:00+00:00	GWh/d	342.3	0	342.3	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000556_005	Dismissed	Planned	Injection unavailability	2021-02-16T17:09:07+00:00	2021-02-16T06:30:00+00:00	2021-02-16T17:10:00+00:00	GWh/d	311.56	0	311.56	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000556_004	Dismissed	Planned	Injection unavailability	2021-02-16T10:50:24+00:00	2021-02-16T06:30:00+00:00	2021-02-16T18:00:00+00:00	GWh/d	311.56	0	311.56	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000556_003	Dismissed	Planned	Injection unavailability	2021-02-16T09:29:20+00:00	2021-02-16T06:30:00+00:00	2021-02-16T11:00:00+00:00	GWh/d	311.56	0	311.56	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000556_002	Dismissed	Planned	Injection unavailability	2021-02-16T08:16:35+00:00	2021-02-16T06:30:00+00:00	2021-02-16T09:30:00+00:00	GWh/d	311.56	0	311.56	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000556_001	Dismissed	Planned	Injection unavailability	2021-02-02T19:51:50+00:00	2021-02-16T06:30:00+00:00	2021-02-16T08:30:00+00:00	GWh/d	311.56	0	311.56	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000558_002	Inactive	Unplanned	Withdrawal unavailability	2021-02-14T10:40:31+00:00	2021-02-13T17:00:00+00:00	2021-02-14T10:45:00+00:00	GWh/d	32.5	97.5	130	Failure	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000558_001	Dismissed	Unplanned	Withdrawal unavailability	2021-02-13T17:18:27+00:00	2021-02-13T17:00:00+00:00	2021-02-14T16:00:00+00:00	GWh/d	32.5	97.5	130	Failure	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000532_001	Dismissed	Planned	Injection unavailability	2020-12-03T11:30:17+00:00	2021-01-24T05:00:00+00:00	2021-01-30T18:00:00+00:00	GWh/d	30	0	30	Planned Outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000554_002	Inactive	Unplanned	Injection unavailability	2021-01-31T15:20:00+00:00	2021-01-30T21:35:00+00:00	2021-01-31T15:20:00+00:00	GWh/d	111.02	200.54	311.56	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000554_001	Dismissed	Unplanned	Injection unavailability	2021-01-30T21:36:06+00:00	2021-01-30T21:35:00+00:00	2021-01-31T18:00:00+00:00	GWh/d	111.02	200.54	311.56	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000553_002	Inactive	Unplanned	Injection unavailability	2021-01-18T15:51:19+00:00	2021-01-17T19:40:00+00:00	2021-01-18T15:55:00+00:00	GWh/d	111.02	200.54	311.56	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000553_001	Dismissed	Unplanned	Injection unavailability	2021-01-17T19:42:35+00:00	2021-01-17T19:40:00+00:00	2021-01-19T18:00:00+00:00	GWh/d	111.02	200.54	311.56	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000552_004	Inactive	Unplanned	Injection unavailability	2021-01-18T09:39:40+00:00	2021-01-17T18:46:00+00:00	2021-01-18T09:15:00+00:00	GWh/d	30	0	30	Failure	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000552_003	Dismissed	Unplanned	Injection unavailability	2021-01-17T22:18:17+00:00	2021-01-17T18:46:00+00:00	2021-01-18T18:00:00+00:00	GWh/d	30	0	30	Failure	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000550_001	Dismissed	Planned	Injection unavailability	2021-01-09T10:40:26+00:00	2021-01-09T09:00:00+00:00	2021-01-15T18:00:00+00:00	GWh/d	30	0	30	Planned Outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000546_001	Dismissed	Planned	Withdrawal unavailability	2021-01-05T07:15:57+00:00	2021-01-05T07:13:00+00:00	2021-01-05T18:00:00+00:00	GWh/d	27	103	130	Failure	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000545_002	Dismissed	Unplanned	Withdrawal unavailability	2021-01-04T15:34:13+00:00	2021-01-04T09:30:00+00:00	2021-01-04T15:33:00+00:00	GWh/d	10	120	130	Failure	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000545_001	Dismissed	Unplanned	Withdrawal unavailability	2021-01-04T09:33:34+00:00	2021-01-04T09:30:00+00:00	2021-01-04T18:00:00+00:00	GWh/d	10	120	130	Failure	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000535_001	Dismissed	Unplanned	Injection unavailability	2020-12-07T16:10:31+00:00	2020-12-07T16:10:00+00:00	2020-12-08T16:10:00+00:00	GWh/d	111.02	200.54	311.56	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000541_002	Dismissed	Unplanned	Injection unavailability	2020-12-11T08:10:40+00:00	2020-12-11T02:35:00+00:00	2020-12-11T08:10:00+00:00	GWh/d	30	0	30	Failure	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000541_001	Dismissed	Unplanned	Injection unavailability	2020-12-11T02:47:08+00:00	2020-12-11T02:35:00+00:00	2020-12-11T14:00:00+00:00	GWh/d	30	0	30	Failure	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000534_002	Inactive	Unplanned	Withdrawal unavailability	2020-12-06T23:18:37+00:00	2020-12-06T21:54:00+00:00	2020-12-06T23:16:00+00:00	GWh/d	342.3	0	342.3	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000534_001	Dismissed	Unplanned	Withdrawal unavailability	2020-12-06T21:55:03+00:00	2020-12-06T21:54:00+00:00	2020-12-06T23:30:00+00:00	GWh/d	342.3	0	342.3	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000531_002	Dismissed	Unplanned	Injection unavailability	2020-11-29T22:53:18+00:00	2020-11-29T19:30:00+00:00	2020-11-29T22:50:00+00:00	GWh/d	111.02	200.54	311.56	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000531_001	Dismissed	Unplanned	Injection unavailability	2020-11-29T20:26:18+00:00	2020-11-29T19:30:00+00:00	2020-11-30T12:00:00+00:00	GWh/d	111.02	200.54	311.56	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000530_002	Inactive	Unplanned	Withdrawal unavailability	2020-11-28T16:34:40+00:00	2020-11-28T14:00:00+00:00	2020-11-28T16:30:00+00:00	GWh/d	342.3	0	342.3	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000530_001	Dismissed	Unplanned	Withdrawal unavailability	2020-11-28T14:51:54+00:00	2020-11-28T14:00:00+00:00	2020-11-28T17:00:00+00:00	GWh/d	342.3	0	342.3	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000458_001	Dismissed	Planned	Injection unavailability	2020-07-11T13:34:55+01:00	2021-05-08T05:00:00+01:00	2021-05-20T18:00:00+01:00	GWh/d	311.56	0	311.56	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000431_002	Inactive	Planned	Injection unavailability	2020-11-17T19:01:52+00:00	2020-11-10T05:00:00+00:00	2020-11-17T18:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000431_001	Dismissed	Planned	Injection unavailability	2020-01-29T09:51:27+00:00	2020-11-10T05:00:00+00:00	2020-11-17T18:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000510_001	Dismissed	Planned	Withdrawal unavailability	2020-09-29T11:00:14+01:00	2020-10-23T18:01:00+01:00	2020-10-28T23:59:00+00:00	GWh/d	73.08	56.92	130	Planned Outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000433_001	Dismissed	Planned	Injection unavailability	2020-01-29T09:56:38+00:00	2020-10-26T05:00:00+00:00	2020-11-08T18:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000434_002	Inactive	Planned	Injection unavailability	2020-11-09T17:57:46+00:00	2020-11-09T06:00:00+00:00	2020-11-09T17:58:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000434_001	Dismissed	Planned	Injection unavailability	2020-01-29T09:58:43+00:00	2020-11-09T06:00:00+00:00	2020-11-09T18:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000520_002	Inactive	Unplanned	Withdrawal unavailability	2020-11-05T11:01:54+00:00	2020-11-05T00:45:00+00:00	2020-11-05T10:00:00+00:00	GWh/d	121.5	220.8	342.3	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000520_001	Dismissed	Unplanned	Withdrawal unavailability	2020-11-05T02:10:29+00:00	2020-11-05T00:45:00+00:00	2020-11-05T10:00:00+00:00	GWh/d	121.5	220.8	342.3	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000519_002	Inactive	Unplanned	Injection unavailability	2020-10-31T08:24:37+00:00	2020-10-31T05:35:00+00:00	2020-10-31T08:25:00+00:00	GWh/d	211.29	100.27	311.56	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000519_001	Dismissed	Unplanned	Injection unavailability	2020-10-31T05:53:15+00:00	2020-10-31T05:35:00+00:00	2020-10-31T12:00:00+00:00	GWh/d	211.29	100.27	311.56	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000517_002	Inactive	Unplanned	Injection unavailability	2020-10-27T10:46:06+00:00	2020-10-26T09:20:00+00:00	2020-10-27T10:45:00+00:00	GWh/d	100.27	211.29	311.56	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000517_001	Dismissed	Unplanned	Injection unavailability	2020-10-26T09:16:47+00:00	2020-10-26T09:20:00+00:00	2020-10-27T12:00:00+00:00	GWh/d	100.27	211.29	311.56	Failure	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000432_003	Inactive	Planned	Injection unavailability	2020-10-26T06:01:50+00:00	2020-10-12T05:00:00+01:00	2020-10-26T05:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000432_002	Dismissed	Planned	Injection unavailability	2020-10-25T16:27:18+00:00	2020-10-12T05:00:00+01:00	2020-10-26T05:00:00+00:00	GWh/d	111.02	200.54	311.56	Planned Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000432_001	Dismissed	Planned	Injection unavailability	2020-01-29T09:54:58+00:00	2020-10-12T05:00:00+01:00	2020-10-25T18:00:00+00:00	GWh/d	111.02	200.54	311.56	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.