Last update at: 2022-06-28T22:30:00+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 >
Aldbrough	ALD_000000000000000000672_002	Active	Planned	Storage unavailability	2022-06-28T13:54:29+01:00	2022-06-19T18:00:00+01:00	2022-07-05T19:00:00+01:00	TWh	0.477284982	2.007629718	2.4849147	Planned Outage	ALD 2 Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000672_001	Dismissed	Planned	Storage unavailability	2022-06-19T18:01:07+01:00	2022-06-19T18:00:00+01:00	2022-07-01T18:00:00+01:00	TWh	0.477284982	2.007629718	2.4849147	Planned Outage	ALD 2 Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000676_001	Active	Planned	Withdrawal unavailability	2022-06-27T09:46:58+01:00	2022-07-28T18:00:00+01:00	2022-08-02T18:00:00+01:00	GWh/d	100	30	130	Planned Outage	Phase 6	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000490_004	Active	Planned	Withdrawal unavailability	2022-06-27T09:41:40+01:00	2022-07-01T05:00:00+01:00	2022-07-28T18:00:00+01:00	GWh/d	130	0	130	Planned Outage		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000490_003	Dismissed	Planned	Withdrawal unavailability	2022-02-17T10:37:49+00:00	2022-07-01T05:00:00+01:00	2022-07-25T05:00:00+01:00	GWh/d	130	0	130	Planned Outage		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000490_002	Dismissed	Planned	Withdrawal unavailability	2020-07-28T14:39:15+01:00	2022-07-01T05:00:00+01:00	2022-07-15T05:00:00+01:00	GWh/d	130	0	130	Planned Outage		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000490_001	Dismissed	Planned	Withdrawal unavailability	2020-07-11T21:47:54+01:00	2022-07-01T05:00:00+01:00	2022-07-08T05:00:00+01:00	GWh/d	130	0	130	Planned Outage		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000659_003	Dismissed	Planned	Withdrawal unavailability	2022-06-27T09:31:40+01:00	2022-07-25T05:00:00+01:00	2022-07-28T18:00:00+01:00	GWh/d	60	70	130	Planned Outage	Vortisep	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000659_002	Dismissed	Planned	Withdrawal unavailability	2022-03-18T09:15:10+00:00	2022-07-25T05:00:00+01:00	2022-07-28T18:00:00+01:00	GWh/d	60	70	130	Planned Outage	Vortisep	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000659_001	Dismissed	Planned	Withdrawal unavailability	2022-03-18T08:27:47+00:00	2022-07-25T05:00:00+01:00	2022-07-28T18:00:00+01:00	GWh/d	60	70	130	Planned Outage		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000489_003	Active	Planned	Injection unavailability	2022-06-27T09:19:11+01:00	2022-07-01T05:00:00+01:00	2022-07-19T18:00:00+01:00	GWh/d	30	0	30	Planned Outage		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000489_002	Dismissed	Planned	Injection unavailability	2022-02-17T10:59:54+00:00	2022-07-01T05:00:00+01:00	2022-07-25T05:00:00+01:00	GWh/d	30	0	30	Planned Outage		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000489_001	Dismissed	Planned	Injection unavailability	2020-07-11T21:45:24+01:00	2022-07-01T05:00:00+01:00	2022-07-15T05:00:00+01:00	GWh/d	30	0	30	Planned Outage		21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000674_004	Dismissed	Planned	Storage unavailability	2022-06-24T06:10:21+01:00	2022-06-23T05:00:00+01:00	2022-06-24T06:10:00+01:00	TWh	0.89773	1.5871847	2.4849147	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000674_003	Dismissed	Planned	Storage unavailability	2022-06-23T10:48:46+01:00	2022-06-23T05:00:00+01:00	2022-06-24T19:00:00+01:00	TWh	0.89773	1.5871847	2.4849147	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000674_002	Dismissed	Planned	Storage unavailability	2022-06-23T10:48:21+01:00	2022-06-23T05:00:00+01:00	2022-06-24T17:00:00+01:00	TWh	0.89773	1.5871847	2.4849147	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000674_001	Dismissed	Planned	Storage unavailability	2022-06-22T15:50:46+01:00	2022-06-23T05:00:00+01:00	2022-06-23T17:00:00+01:00	TWh	0.89773	1.5871847	2.4849147	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000467_004	Inactive	Planned	Withdrawal unavailability	2022-06-17T19:05:25+01:00	2022-06-04T05:00:00+01:00	2022-06-17T18:00:00+01:00	GWh/d	121.5	220.8	342.3	Planned Outage	Prod Train 2 Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000467_003	Dismissed	Planned	Withdrawal unavailability	2022-05-02T03:13:47+01:00	2022-06-04T05:00:00+01:00	2022-06-19T18:00:00+01:00	GWh/d	121.5	220.8	342.3	Planned Outage	Prod Train 2 Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000467_002	Dismissed	Planned	Withdrawal unavailability	2021-10-06T22:33:43+01:00	2022-06-04T05:00:00+01:00	2022-06-19T18:00:00+01:00	GWh/d	121.5	220.8	342.3	Planned Outage	Prod Train 1 Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000467_001	Dismissed	Planned	Withdrawal unavailability	2020-07-11T15:46:33+01:00	2022-05-20T05:00:00+01:00	2022-06-19T18:00:00+01:00	GWh/d	121.5	220.8	342.3	Planned Outage	Prod Train 1 Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000475_002	Active	Planned	Withdrawal unavailability	2022-06-01T22:27:29+01:00	2023-05-19T18:00:00+01:00	2023-06-16T18:00:00+01:00	GWh/d	121.5	220.8	342.3	Planned Outage	Prod Train 2 Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000475_001	Dismissed	Planned	Withdrawal unavailability	2020-07-11T16:12:17+01:00	2023-05-20T05:00:00+01:00	2023-06-16T18:00:00+01:00	GWh/d	121.5	220.8	342.3	Planned Outage	Prod Train 2 Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000670_002	Inactive	Planned	Injection unavailability	2022-05-31T17:01:53+01:00	2022-05-31T08:00:00+01:00	2022-05-31T16:00:00+01:00	GWh/d	311.56	0	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000671_002	Inactive	Planned	Withdrawal unavailability	2022-05-31T17:01:53+01:00	2022-05-31T08:00:00+01:00	2022-05-31T16:00:00+01:00	GWh/d	342.3	0	342.3	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000671_001	Dismissed	Planned	Withdrawal unavailability	2022-05-25T16:31:27+01:00	2022-05-31T08:00:00+01:00	2022-05-31T16:00:00+01:00	GWh/d	342.3	0	342.3	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000670_001	Dismissed	Planned	Injection unavailability	2022-05-25T16:29:35+01:00	2022-05-31T08:00:00+01:00	2022-05-31T16:00:00+01:00	GWh/d	311.56	0	311.56	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000648_007	Inactive	Planned	Withdrawal unavailability	2022-05-26T08:57:06+01:00	2022-05-07T05:00:00+01:00	2022-05-26T09:00:00+01:00	GWh/d	50	80	130	Planned Outage	Stream 8 outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000648_006	Dismissed	Planned	Withdrawal unavailability	2022-05-25T22:54:53+01:00	2022-05-07T05:00:00+01:00	2022-05-26T12:00:00+01:00	GWh/d	50	80	130	Planned Outage	Stream 8 outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000648_005	Dismissed	Planned	Withdrawal unavailability	2022-02-17T11:39:08+00:00	2022-05-07T05:00:00+01:00	2022-05-26T05:00:00+01:00	GWh/d	50	80	130	Planned Outage	Stream 8 outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000648_004	Dismissed	Planned	Withdrawal unavailability	2022-02-17T11:26:00+00:00	2022-05-07T05:00:00+01:00	2022-05-26T05:00:00+01:00	GWh/d	47	83	130	Planned Outage	Stream 8 outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000648_003	Dismissed	Planned	Withdrawal unavailability	2022-02-17T11:23:16+00:00	2022-05-07T05:00:00+01:00	2022-05-26T05:00:00+01:00	GWh/d	17	83	130	Planned Outage	Stream 8 outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000648_002	Dismissed	Planned	Withdrawal unavailability	2022-02-17T11:18:20+00:00	2022-05-07T05:00:00+01:00	2022-05-26T05:00:00+01:00	GWh/d	50	80	130	Planned Outage	Stream 8 outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000648_001	Dismissed	Planned	Withdrawal unavailability	2022-02-17T11:14:59+00:00	2022-06-15T05:00:00+01:00	2022-07-01T05:00:00+01:00	GWh/d	50	80	130	Planned Outage	Stream 8 outage	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000658_002	Inactive	Planned	Injection unavailability	2022-05-23T14:34:19+01:00	2022-05-22T18:00:00+01:00	2022-05-23T14:30:00+01:00	GWh/d	111.02	200.54	311.56	Planned Outage	GC-3 Commissioning	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000658_001	Dismissed	Planned	Injection unavailability	2022-03-17T10:19:38+00:00	2022-05-22T18:00:00+01:00	2022-05-23T18:00:00+01:00	GWh/d	111.02	200.54	311.56	Planned Outage	GC-3 Commissioning	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000468_004	Inactive	Planned	Withdrawal unavailability	2022-05-22T19:02:31+01:00	2022-05-01T05:00:00+01:00	2022-05-22T18:00:00+01:00	GWh/d	121.5	220.8	342.3	Planned Outage	Prod Train 1 Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000468_003	Dismissed	Planned	Withdrawal unavailability	2022-05-02T03:11:33+01:00	2022-05-01T05:00:00+01:00	2022-05-22T18:00:00+01:00	GWh/d	121.5	220.8	342.3	Planned Outage	Prod Train 1 Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000468_002	Dismissed	Planned	Withdrawal unavailability	2021-10-06T22:34:05+01:00	2022-05-01T05:00:00+01:00	2022-05-22T18:00:00+01:00	GWh/d	121.5	220.8	342.3	Planned Outage	Prod Train 2 Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000468_001	Dismissed	Planned	Withdrawal unavailability	2020-07-11T15:50:13+01:00	2022-05-06T05:00:00+01:00	2022-05-20T18:00:00+01:00	GWh/d	121.5	220.8	342.3	Planned Outage	Prod Train 2 Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000657_002	Inactive	Planned	Injection unavailability	2022-05-22T11:22:50+01:00	2022-05-21T18:00:00+01:00	2022-05-22T11:25:00+01:00	GWh/d	211.29	100.27	311.56	Planned Outage	GC-2 commissioning	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000657_001	Dismissed	Planned	Injection unavailability	2022-03-17T10:17:23+00:00	2022-05-21T18:00:00+01:00	2022-05-22T18:00:00+01:00	GWh/d	211.29	100.27	311.56	Planned Outage	GC-2 commissioning	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000465_003	Inactive	Planned	Injection unavailability	2022-05-21T16:28:39+01:00	2022-05-08T05:00:00+01:00	2022-05-21T16:30:00+01:00	GWh/d	311.56	0	311.56	Planned Outage	Full Site Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000465_002	Dismissed	Planned	Injection unavailability	2021-10-06T22:32:34+01:00	2022-05-08T05:00:00+01:00	2022-05-21T18:00:00+01:00	GWh/d	311.56	0	311.56	Planned Outage	Full Site Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000465_001	Dismissed	Planned	Injection unavailability	2020-07-11T15:39:02+01:00	2022-05-08T05:00:00+01:00	2022-05-20T18:00:00+01:00	GWh/d	311.56	0	311.56	Planned Outage	Full Site Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000466_003	Inactive	Planned	Withdrawal unavailability	2022-05-21T16:28:12+01:00	2022-05-08T05:00:00+01:00	2022-05-21T16:30:00+01:00	GWh/d	342.3	0	342.3	Planned Outage	Full Site Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000466_002	Dismissed	Planned	Withdrawal unavailability	2021-10-06T22:32:46+01:00	2022-05-08T05:00:00+01:00	2022-05-21T18:00:00+01:00	GWh/d	342.3	0	342.3	Planned Outage	Full Site Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000466_001	Dismissed	Planned	Withdrawal unavailability	2020-07-11T15:43:18+01:00	2022-05-08T05:00:00+01:00	2022-05-20T18:00:00+01:00	GWh/d	342.3	0	342.3	Planned Outage	Full Site Outage	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000667_002	Inactive	Planned	Storage unavailability	2022-04-22T17:04:52+01:00	2022-04-20T00:00:00+01:00	2022-04-22T17:00:00+01:00	TWh	0.47366	2.0112547	2.4849147	Planned Outage		21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000667_001	Dismissed	Planned	Storage unavailability	2022-04-19T19:51:10+01:00	2022-04-20T00:00:00+01:00	2022-04-22T18:00:00+01:00	TWh	0.47366	2.0112547	2.4849147	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.