Last update at: 2018-12-14T12:00:00+00:00

**Please note that the last update time shown is rounded to the next market interval of 30 minutes

All times are in UTC.

Gas Storage: Historical Outages (https://www.ssehl.co.uk/HALO/)

Filter Options

Date of event:

From date:

To date:

More filtering options (optional)

	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 >
Atwick	ATW_000000000000000000249_003	Dismissed	Unplanned	Withdrawal unavailability	2018-02-07T16:01:52+00:00	2018-02-06T09:53:00+00:00	2018-02-07T20:00:00+00:00	GWh/d	32.4	97.6	130	Failure	unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000249_002	Dismissed	Unplanned	Withdrawal unavailability	2018-02-07T14:05:27+00:00	2018-02-06T09:53:00+00:00	2018-02-07T18:00:00+00:00	GWh/d	32.4	97.6	130	Failure	unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000249_001	Dismissed	Unplanned	Withdrawal unavailability	2018-02-06T10:08:35+00:00	2018-02-06T09:53:00+00:00	2018-02-07T16:00:00+00:00	GWh/d	32.4	97.6	130	Failure	unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000248_001	Inactive	Unplanned	Withdrawal unavailability	2018-02-06T02:13:06+00:00	2018-02-05T20:55:00+00:00	2018-02-06T01:15:00+00:00	GWh/d	48.72	81.28	130	Failure	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000247_002	Dismissed	Unplanned	Withdrawal unavailability	2018-02-06T01:27:38+00:00	2018-02-05T20:55:00+00:00	2018-02-06T12:00:00+00:00	GWh/d	48.72	81.28	130	Failure	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000247_001	Dismissed	Unplanned	Withdrawal unavailability	2018-02-05T21:19:17+00:00	2018-02-05T20:55:00+00:00	2018-02-06T12:00:00+00:00	GWh/d	48.72	81.28	130	Failure	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000229_002	Inactive	Unplanned	Withdrawal unavailability	2018-01-25T14:16:00+00:00	2018-01-25T08:00:00+00:00	2018-01-25T14:15:00+00:00	GWh/d	32.4	97.6	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000229_001	Dismissed	Unplanned	Withdrawal unavailability	2018-01-24T09:05:41+00:00	2018-01-25T08:00:00+00:00	2018-01-25T16:00:00+00:00	GWh/d	32.4	97.6	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000228_002	Inactive	Unplanned	Withdrawal unavailability	2018-01-23T12:35:36+00:00	2018-01-23T08:00:00+00:00	2018-01-23T12:32:00+00:00	GWh/d	97.44	32.56	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000228_001	Dismissed	Unplanned	Withdrawal unavailability	2018-01-22T14:08:55+00:00	2018-01-23T08:00:00+00:00	2018-01-23T16:00:00+00:00	GWh/d	97.44	32.56	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000227_002	Inactive	Unplanned	Withdrawal unavailability	2018-01-17T17:00:36+00:00	2018-01-17T06:00:00+00:00	2018-01-17T16:53:00+00:00	GWh/d	97.44	32.56	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000227_001	Dismissed	Unplanned	Withdrawal unavailability	2018-01-16T08:54:36+00:00	2018-01-17T06:00:00+00:00	2018-01-17T18:00:00+00:00	GWh/d	97.44	32.56	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000226_002	Inactive	Unplanned	Injection unavailability	2018-01-11T11:01:32+00:00	2018-01-11T00:10:00+00:00	2018-01-11T10:56:00+00:00	GWh/d	111.02	200.54	311.56	Failure	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000226_001	Dismissed	Unplanned	Injection unavailability	2018-01-11T00:15:26+00:00	2018-01-11T00:10:00+00:00	2018-01-11T12:00:00+00:00	GWh/d	111.02	200.54	311.56	Failure	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000225_002	Inactive	Unplanned	Injection unavailability	2018-01-10T17:15:52+00:00	2018-01-10T16:32:00+00:00	2018-01-10T17:10:00+00:00	GWh/d	111.02	200.54	311.56	Failure	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000225_001	Dismissed	Unplanned	Injection unavailability	2018-01-10T16:43:41+00:00	2018-01-10T16:32:00+00:00	2018-01-11T10:00:00+00:00	GWh/d	111.02	200.54	311.56	Failure	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000224_002	Inactive	Planned	Withdrawal unavailability	2017-12-19T16:08:29+00:00	2017-12-19T08:30:00+00:00	2017-12-19T16:06:00+00:00	GWh/d	342.3	0	342.3	Planned Outage	Planned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000224_001	Dismissed	Planned	Withdrawal unavailability	2017-12-13T14:58:04+00:00	2017-12-19T08:30:00+00:00	2017-12-19T16:30:00+00:00	GWh/d	342.3	0	342.3	Planned Outage	Planned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000223_003	Inactive	Planned	Injection unavailability	2017-12-19T16:07:46+00:00	2017-12-19T08:30:00+00:00	2017-12-19T16:06:00+00:00	GWh/d	311.56	0	311.56	Planned Outage	Planned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000223_002	Dismissed	Planned	Injection unavailability	2017-12-13T14:58:30+00:00	2017-12-19T08:30:00+00:00	2017-12-19T16:30:00+00:00	GWh/d	311.56	0	311.56	Planned Outage	Planned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000223_001	Dismissed	Planned	Injection unavailability	2017-12-13T14:57:02+00:00	2017-12-19T08:30:00+00:00	2017-12-19T16:30:00+00:00	GWh/d	0	311.56	311.56	Planned Outage	Planned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000217_006	Inactive	Unplanned	Storage unavailability	2017-12-16T10:13:37+00:00	2017-12-02T05:00:00+00:00	2017-12-16T10:12:00+00:00	TWh	0.420304766	2.203078034	2.6233828	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000217_005	Dismissed	Unplanned	Storage unavailability	2017-12-15T17:28:24+00:00	2017-12-02T05:00:00+00:00	2017-12-16T11:00:00+00:00	TWh	0.420304766	2.203078034	2.6233828	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000217_004	Dismissed	Unplanned	Storage unavailability	2017-12-14T15:05:34+00:00	2017-12-02T05:00:00+00:00	2017-12-15T18:00:00+00:00	TWh	0.420304766	2.203078034	2.6233828	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000217_003	Dismissed	Unplanned	Storage unavailability	2017-12-04T12:23:44+00:00	2017-12-02T05:00:00+00:00	2017-12-14T16:00:00+00:00	TWh	0.420304766	2.203078034	2.6233828	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000217_002	Dismissed	Unplanned	Storage unavailability	2017-12-03T09:04:23+00:00	2017-12-02T05:00:00+00:00	2017-12-10T16:00:00+00:00	TWh	0.420304766	2.203078034	2.6233828	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000217_001	Dismissed	Unplanned	Storage unavailability	2017-12-03T09:02:19+00:00	2017-12-02T05:00:00+00:00	2017-12-10T16:00:00+00:00	TWh	0.423973	2.1994098	2.6233828	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000219_003	Dismissed	Unplanned	Injection unavailability	2017-12-11T08:38:08+00:00	2017-12-11T10:00:00+00:00	2017-12-11T16:00:00+00:00	GWh/d	311	0	311	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000219_002	Dismissed	Unplanned	Injection unavailability	2017-12-11T07:08:02+00:00	2017-12-11T10:00:00+00:00	2017-12-11T16:00:00+00:00	GWh/d	311	0	311	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000219_001	Dismissed	Unplanned	Injection unavailability	2017-12-05T13:39:24+00:00	2017-12-11T08:30:00+00:00	2017-12-11T16:00:00+00:00	GWh/d	311	0	311	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000220_003	Dismissed	Unplanned	Withdrawal unavailability	2017-12-11T08:37:51+00:00	2017-12-11T10:00:00+00:00	2017-12-11T16:00:00+00:00	GWh/d	342	0	342	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000220_002	Dismissed	Unplanned	Withdrawal unavailability	2017-12-11T07:08:28+00:00	2017-12-11T10:00:00+00:00	2017-12-11T16:00:00+00:00	GWh/d	342	0	342	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000220_001	Dismissed	Unplanned	Withdrawal unavailability	2017-12-05T13:41:23+00:00	2017-12-11T08:30:00+00:00	2017-12-11T16:00:00+00:00	GWh/d	342	0	342	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000222_004	Inactive	Unplanned	Storage unavailability	2017-12-07T16:25:24+00:00	2017-12-06T12:00:00+00:00	2017-12-07T16:00:00+00:00	TWh	0.57742015	1.625667843	2.6233828	Failure	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000222_003	Dismissed	Unplanned	Storage unavailability	2017-12-07T15:00:26+00:00	2017-12-06T12:00:00+00:00	2017-12-08T16:00:00+00:00	TWh	0.57742015	1.625667843	2.6233828	Failure	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000222_002	Dismissed	Unplanned	Storage unavailability	2017-12-06T14:37:40+00:00	2017-12-06T12:00:00+00:00	2017-12-07T16:00:00+00:00	TWh	0.57742015	1.625667843	2.6233828	Failure	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000222_001	Dismissed	Unplanned	Storage unavailability	2017-12-06T14:36:12+00:00	2017-12-06T12:00:00+00:00	2017-12-07T16:00:00+00:00	TWh	0.57742015	2.04596265	2.6233828	Failure	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000221_002	Inactive	Unplanned	Storage unavailability	2017-12-06T13:02:32+00:00	2017-12-05T16:40:00+00:00	2017-12-06T12:00:00+00:00	TWh	0.57742015	1.625667843	2.6233828	Failure	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000221_001	Dismissed	Unplanned	Storage unavailability	2017-12-05T16:59:18+00:00	2017-12-05T16:40:00+00:00	2017-12-06T12:00:00+00:00	TWh	0.57742015	1.625667843	2.6233828	Failure	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000218_002	Inactive	Unplanned	Storage unavailability	2017-12-05T10:24:10+00:00	2017-12-04T22:30:00+00:00	2017-12-05T09:54:00+00:00	TWh	0.57742015	1.625667843	2.6233828	Failure	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000218_001	Dismissed	Unplanned	Storage unavailability	2017-12-04T23:09:30+00:00	2017-12-04T22:30:00+00:00	2017-12-05T18:00:00+00:00	TWh	0.57742015	1.625667843	2.6233828	Failure	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000216_003	Inactive	Unplanned	Storage unavailability	2017-12-04T04:18:04+00:00	2017-11-25T05:00:00+00:00	2017-12-04T04:15:00+00:00	TWh	0.086732368	2.033481332	2.1202137	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000216_002	Dismissed	Unplanned	Storage unavailability	2017-12-03T12:39:48+00:00	2017-11-25T05:00:00+00:00	2017-12-04T09:00:00+00:00	TWh	0.086732368	2.033481332	2.1202137	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Aldbrough	ALD_000000000000000000216_001	Dismissed	Unplanned	Storage unavailability	2017-11-24T16:26:00+00:00	2017-11-25T05:00:00+00:00	2017-12-03T23:59:00+00:00	TWh	0.086732368	2.033481332	2.1202137	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WALDBOROUGH00H	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000215_003	Inactive	Unplanned	Withdrawal unavailability	2017-11-27T12:56:57+00:00	2017-11-27T11:00:00+00:00	2017-11-27T12:55:00+00:00	GWh/d	130	0	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000215_002	Dismissed	Unplanned	Withdrawal unavailability	2017-11-20T14:11:18+00:00	2017-11-27T11:00:00+00:00	2017-11-27T13:00:00+00:00	GWh/d	130	0	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000215_001	Dismissed	Unplanned	Withdrawal unavailability	2017-11-17T11:39:26+00:00	2017-11-27T10:00:00+00:00	2017-11-27T12:00:00+00:00	GWh/d	130	0	130	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000214_003	Inactive	Unplanned	Injection unavailability	2017-11-27T12:56:43+00:00	2017-11-27T11:00:00+00:00	2017-11-27T12:55:00+00:00	GWh/d	30	0	30	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000214_002	Dismissed	Unplanned	Injection unavailability	2017-11-20T14:11:46+00:00	2017-11-27T11:00:00+00:00	2017-11-27T13:00:00+00:00	GWh/d	30	0	30	Planned Outage	Unplanned	21YGB-UKGASGRIDW	55WATWICK-SSE00J	SSE Hornsea Ltd	A0001033U.UK
Atwick	ATW_000000000000000000214_001	Dismissed	Unplanned	Injection unavailability	2017-11-17T11:37:43+00:00	2017-11-27T10:00:00+00:00	2017-11-27T12:00:00+00:00	GWh/d	30	0	30	Planned Outage	Unplanned	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.