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Market Participant	Market Participant Code	Message ID	Event Status	Publication Date	Event Start	Event Stop	Remarks
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SSE GENERATION	48X000000000077M	Other_0000000000000000006_001	Dismissed	2017-03-23T14:04:44+00:00	2018-04-01T00:00:00+01:00		From the 1st April 2018 we will be reducing the TEC at Peterhead to zero. The cancellation of our TEC at this time is a risk mitigation measure to avoid a substantial cancellation charge if we were to cancel later in the year, once we have completed our review of the stations future, which we announced on 6 February 2017. We will reapply for TEC and subject to receiving a satisfactory offer from NGET, reinstate TEC should our review conclude that the station has an enduring future.
SSE GENERATION	48X000000000077M	Other_0000000000000000006_002	Dismissed	2017-11-07T13:55:07+00:00	2018-04-01T00:00:00+01:00		Subject to CMP268 not being legally challenged, we intend to increase TEC at Peterhead to 1180MW on an enduring basis commencing 1st April 2018 and continue operations at 1180MW going forward.
SSE GENERATION	48X000000000077M	Other_0000000000000000006_003	Active	2017-12-19T12:08:01+00:00	2018-04-01T00:00:00+01:00		Peterhead TEC has been increased to 1180MW on an enduring basis from 1st April 2018 and will continue operations at 1180MW going forward.
KEADBY GEN. LTD	48X000000000073U	Other_0000000000000000015_001	Active	2019-03-19T14:46:49+00:00	2019-03-19T12:55:00+00:00		T_FIDL-1 - With immediate effect, unit 1 will be withdrawn from service.
SSE GENERATION	48X000000000077M	Other_0000000000000000017_001	Dismissed	2019-04-18T19:00:28+01:00	2019-04-18T19:00:00+01:00		The communication fault between SSE & National Grid has now been resolved and we have returned to normal business operations
SSE GENERATION	48X000000000077M	Other_0000000000000000017_002	Dismissed	2019-04-19T09:08:42+01:00	2019-04-18T19:00:00+01:00		The communication fault between SSE & National Grid has now been resolved and we have returned to normal business operations
SSE GENERATION	48X000000000077M	Other_0000000000000000018_001	Dismissed	2019-04-19T09:10:02+01:00	2019-04-19T09:08:00+01:00		SSE is currently experiencing a communication fault with National Grid, and are therefore unable to submit Physical Notifications.
SSE GENERATION	48X000000000077M	Other_0000000000000000019_001	Active	2019-04-19T12:04:36+01:00	2019-04-19T12:03:00+01:00		The communication fault between SSE & National Grid has now been resolved and we have returned to normal business operations
SSE GENERATION	48X000000000077M	Other_0000000000000000018_002	Dismissed	2019-04-19T12:04:54+01:00	2019-04-19T09:08:00+01:00		SSE is currently experiencing a communication fault with National Grid, and are therefore unable to submit Physical Notifications.
KEADBY GEN. LTD	48X000000000073U	Other_0000000000000000024_001	Active	2019-06-13T12:30:13+01:00	2019-06-13T12:30:00+01:00		Fiddler’s Ferry Units 2, 3 and 4 (BMU IDs: T_FIDL-2, T_FIDL-3, T_FIDL-4) are expected to close with effect from 31 March 2020.
KEADBY GEN. LTD	48X000000000073U	Other_0000000000000000025_001	Dismissed	2020-08-20T08:26:48+01:00	2020-10-09T23:59:00+01:00	2021-03-08T14:00:00+00:00	A phased array test on Keadby GT1 R1 compressor blade root has identified a subsurface anomaly which needs to be monitored with further phase array tests in August and September. We will begin preparations for rectification of this issue from October 2020 onwards inline with the published outage program. Should the ongoing tests provide further information then we will adjust the outage program accordingly.
KEADBY GEN. LTD	48X000000000073U	Other_0000000000000000025_002	Dismissed	2020-09-01T13:43:16+01:00	2020-09-02T00:01:00+01:00	2021-01-10T23:59:00+00:00	Following the phased array test on GT1 during 28-30 August, the outage programme has been adjusted for rectification of this issue from September onwards. Should the ongoing work provide further information then we will adjust the outage programme accordingly.
SSE Generation Ireland Ltd	47X0000000000592	Other_0000000000000000026_001	Dismissed	2020-10-23T08:25:15+01:00	2020-10-25T07:45:00+00:00	2020-10-26T23:59:00+00:00	Great Island CCGT Unit on post outage testing.
SSE Generation Ireland Ltd	47X0000000000592	Other_0000000000000000026_002	Dismissed	2020-10-26T09:06:10+00:00	2020-10-26T07:45:00+00:00	2020-10-27T23:59:00+00:00	Great Island CCGT Unit on post outage testing.
SSE Generation Ireland Ltd	47X0000000000592	Other_0000000000000000026_003	Inactive	2020-10-28T01:01:54+00:00	2020-10-26T07:45:00+00:00	2020-10-27T23:59:00+00:00	Great Island CCGT Unit on post outage testing.
KEADBY GEN. LTD	48X000000000073U	Other_0000000000000000027_001	Dismissed	2020-11-24T11:35:27+00:00	2021-12-09T23:59:00+00:00	2022-05-02T00:01:00+01:00	It is currently anticipated Keadby 2 performance validation period will start on 09/12/2021 & finish on 02/05/2022. Prior to this there will be a commissioning phase, during which there will be periods of intermittent generation. The commissioning phase is scheduled to start in July 2021 & run until the start of the validation period. As relevant details of the commissioning plans become firmer REMIT will be updated.
MEDWAY POWER LTD	48X000000000076O	Other_0000000000000000028_001	Dismissed	2020-12-01T09:29:14+00:00	2020-12-01T09:30:00+00:00	2020-12-01T19:00:00+00:00	Following PN to allow GT Tuning. some variation from PN expected.
MEDWAY POWER LTD	48X000000000076O	Other_0000000000000000028_002	Inactive	2020-12-01T20:01:53+00:00	2020-12-01T09:30:00+00:00	2020-12-01T19:00:00+00:00	Following PN to allow GT Tuning. some variation from PN expected.
KEADBY GEN. LTD	48X000000000073U	Other_0000000000000000025_003	Inactive	2021-01-11T01:02:32+00:00	2020-09-02T00:01:00+01:00	2021-01-10T23:59:00+00:00	Following the phased array test on GT1 during 28-30 August, the outage programme has been adjusted for rectification of this issue from September onwards. Should the ongoing work provide further information then we will adjust the outage programme accordingly.
KEADBY GEN. LTD	48X000000000073U	Other_0000000000000000027_002	Dismissed	2021-03-01T15:11:31+00:00	2021-12-20T00:00:00+00:00	2022-05-13T00:01:00+01:00	It is currently anticipated Keadby 2 performance validation period will start on 20/12/2021 & finish on 13/05/2022. Prior to this there will be a commissioning phase, during which there will be periods of intermittent generation. The commissioning phase is scheduled to start in August 2021 & run until the start of the validation period. As relevant details of the commissioning plans become firmer REMIT will be updated.
Seagreen wind energy Ltd		Other_0000000000000000029_001	Dismissed	2021-03-09T13:41:20+00:00	2021-03-09T13:33:00+00:00		It is currently anticipated that Seagreen commissioning period will start on 01/12/2021 & full commercial operation will commence by the end of 2022. It is expected that over 2022 there will be a steady increase in installed capacity with approximately 270MW available by the end of Q1 2022, 600MW by the end of Q2 2022 and the total capacity of 1075MW available by the end of 2022.As relevant details of the commissioning plans become firmer REMIT will be updated.
Seagreen Wind Energy Ltd		Other_0000000000000000029_002	Dismissed	2021-03-09T13:55:35+00:00	2021-03-09T13:33:00+00:00		It is currently anticipated that Seagreen commissioning period will start on 01/12/2021 & full commercial operation will commence by the end of 2022. It is expected that over 2022 there will be a steady increase in installed capacity with approximately 270MW available by the end of Q1 2022, 600MW by the end of Q2 2022 and the total capacity of 1075MW available by the end of 2022.As relevant details of the commissioning plans become firmer REMIT will be updated.
KEADBY GEN. LTD	48X000000000073U	Other_0000000000000000030_001	Dismissed	2021-04-13T14:42:27+01:00	2022-01-06T00:00:00+00:00	2022-05-30T23:59:00+01:00	It is currently anticipated Keadby 2 performance validation period will start on 06/01/2022 & finish on 30/05/2022. Prior to this there will be a commissioning phase, during which there will be periods of intermittent generation. The commissioning phase is scheduled to start in August 2021 & run until the start of the validation period. As relevant details of the commissioning plans become firmer REMIT will be updated.
SSE GENERATION	48X000000000077M	Other_0000000000000000031_001	Dismissed	2021-04-20T11:32:25+01:00	2021-05-07T00:01:00+01:00	2021-08-20T23:59:00+01:00	We have been notified by National Grid ESO that, pending completion of network reinforcement works being conducted by SHETL in the nearby area, TEC in excess of 400MW at Peterhead Power Station will be non-firm in the period between 7 May 2021 and 20 August 2021. From time to time in this period, Peterhead’s output may be constrained by the limited availability of TEC.
SSE GENERATION	48X000000000077M	Other_0000000000000000031_002	Dismissed	2021-04-20T11:44:37+01:00	2021-05-07T00:01:00+01:00	2021-08-20T23:59:00+01:00	We have been notified by National Grid ESO that, pending completion of network reinforcement works being conducted by SHETL in the nearby area, TEC in excess of 400MW at Peterhead Power Station will be non-firm in the period between 7 May 2021 and 20 August 2021. From time to time in this period, Peterhead’s output may be constrained by the limited availability of TEC.
SSE GENERATION	48X000000000077M	Other_0000000000000000031_003	Dismissed	2021-05-04T10:57:17+01:00	2021-05-11T00:01:00+01:00	2021-08-20T23:59:00+01:00	Update: Start date of non-firm TEC period changed to 11 May 2021. End date of 20 August 2021 remains unchanged. Original Remarks: We have been notified by National Grid ESO that, pending completion of network reinforcement works being conducted by SHETL in the nearby area, TEC in excess of 400MW at Peterhead Power Station will be non-firm in the period between 7 May 2021 and 20 August 2021. From time to time in this period, Peterhead’s output may be constrained by the limited availability of TEC
SSE GENERATION	48X000000000077M	Other_0000000000000000031_004	Dismissed	2021-05-05T20:53:41+01:00	2021-05-12T00:01:00+01:00	2021-08-20T23:59:00+01:00	Update: Start date of non-firm TEC period changed to 12 May 2021. End date of 20 August 2021 remains unchanged. Original: We have been notified by National Grid ESO that, pending completion of network reinforcement works being conducted by SHETL in the nearby area, TEC in excess of 400MW at Peterhead Power Station will be non-firm in the period between 7 May 2021 and 20 August 2021. From time to time in this period, Peterhead’s output may be constrained by the limited availability of TEC
SSE GENERATION	48X000000000077M	Other_0000000000000000032_001	Dismissed	2021-05-10T12:49:52+01:00	2021-05-12T17:00:00+01:00	2021-05-12T23:00:00+01:00	D-2 non-firm TEC Guidance issued: 780MW non-firm TEC from 17:00 on 12/05/2021 to 23:00 on 12/05/2021.
SSE GENERATION	48X000000000077M	Other_0000000000000000031_005	Dismissed	2021-05-10T13:01:06+01:00	2021-05-12T17:00:00+01:00	2021-08-20T23:00:00+01:00	Update: Start date of non-firm TEC period changed to 17:00 on 12 May 2021. End date of 20 August 2021 remains unchanged. Original:We have been notified by National Grid ESO that, pending completion of network reinforcement works being conducted by SHETL in the nearby area, TEC in excess of 400MW at Peterhead Power Station will be non-firm in the period between 7 May 2021 and 20 August 2021. From time to time in this period, Peterhead’s output may be constrained by the limited availability of TEC
SSE GENERATION	48X000000000077M	Other_0000000000000000033_001	Dismissed	2021-05-11T11:39:02+01:00	2021-05-12T23:00:00+01:00	2021-05-13T23:00:00+01:00	D-2 non-firm TEC Guidance issued: 780MW non-firm TEC from 23:00 on 12/05/2021 to 23:00 on 13/05/2021 (BST).
SSE GENERATION	48X000000000077M	Other_0000000000000000034_001	Dismissed	2021-05-12T13:04:36+01:00	2021-05-13T23:00:00+01:00	2021-05-14T23:00:00+01:00	D-2 non-firm TEC Guidance issued: 780MW non-firm TEC from 23:00 on 13/05/2021 to 23:00 on 14/05/2021 (BST).
SSE GENERATION	48X000000000077M	Other_0000000000000000032_002	Inactive	2021-05-13T00:01:51+01:00	2021-05-12T17:00:00+01:00	2021-05-12T23:00:00+01:00	D-2 non-firm TEC Guidance issued: 780MW non-firm TEC from 17:00 on 12/05/2021 to 23:00 on 12/05/2021.
SSE GENERATION	48X000000000077M	Other_0000000000000000035_001	Dismissed	2021-05-13T13:20:34+01:00	2021-05-14T23:00:00+01:00	2021-05-17T08:00:00+01:00	D-2 non-firm TEC Guidance issued: 780MW non-firm TEC from 23:00 on 14/05/2021 to 08:00 on 17/05/2021 (BST).
SSE GENERATION	48X000000000077M	Other_0000000000000000036_001	Dismissed	2021-05-13T13:22:03+01:00	2021-05-17T08:00:00+01:00	2021-05-19T08:00:00+01:00	D-2 non-firm TEC Guidance issued: 500MW non-firm TEC from 08:00 on 17/05/2021 to 08:00 on 19/05/2021 (BST).
SSE GENERATION	48X000000000077M	Other_0000000000000000037_001	Dismissed	2021-05-13T13:23:19+01:00	2021-05-19T08:00:00+01:00	2021-05-21T23:00:00+01:00	D-2 non-firm TEC Guidance issued: 0MW non-firm TEC from 08:00 on 19/05/2021 to 23:00 on 21/05/2021 (BST).
SSE GENERATION	48X000000000077M	Other_0000000000000000033_002	Inactive	2021-05-14T00:01:52+01:00	2021-05-12T23:00:00+01:00	2021-05-13T23:00:00+01:00	D-2 non-firm TEC Guidance issued: 780MW non-firm TEC from 23:00 on 12/05/2021 to 23:00 on 13/05/2021 (BST).
SSE GENERATION	48X000000000077M	Other_0000000000000000034_002	Inactive	2021-05-15T00:01:53+01:00	2021-05-13T23:00:00+01:00	2021-05-14T23:00:00+01:00	D-2 non-firm TEC Guidance issued: 780MW non-firm TEC from 23:00 on 13/05/2021 to 23:00 on 14/05/2021 (BST).
SSE GENERATION	48X000000000077M	Other_0000000000000000035_002	Inactive	2021-05-17T09:01:53+01:00	2021-05-14T23:00:00+01:00	2021-05-17T08:00:00+01:00	D-2 non-firm TEC Guidance issued: 780MW non-firm TEC from 23:00 on 14/05/2021 to 08:00 on 17/05/2021 (BST).
SSE GENERATION	48X000000000077M	Other_0000000000000000036_002	Inactive	2021-05-19T09:01:54+01:00	2021-05-17T08:00:00+01:00	2021-05-19T08:00:00+01:00	D-2 non-firm TEC Guidance issued: 500MW non-firm TEC from 08:00 on 17/05/2021 to 08:00 on 19/05/2021 (BST).
SSE GENERATION	48X000000000077M	Other_0000000000000000037_002	Inactive	2021-05-22T00:01:53+01:00	2021-05-19T08:00:00+01:00	2021-05-21T23:00:00+01:00	D-2 non-firm TEC Guidance issued: 0MW non-firm TEC from 08:00 on 19/05/2021 to 23:00 on 21/05/2021 (BST).
SSE GENERATION	48X000000000077M	Other_0000000000000000031_006	Dismissed	2021-05-31T17:01:14+01:00	2021-05-12T17:00:00+01:00	2021-08-20T23:00:00+01:00	Update: Start date of non-firm TEC period changed to 17:00 on 12 May 2021. End date of 20 August 2021 remains unchanged. Original:We have been notified by National Grid ESO that, pending completion of network reinforcement works being conducted by SHETL in the nearby area, TEC in excess of 400MW at Peterhead Power Station will be non-firm in the period between 7 May 2021 and 20 August 2021. From time to time in this period, Peterhead’s output may be constrained by the limited availability of TEC
KEADBY GEN. LTD	48X000000000073U	Other_0000000000000000030_002	Dismissed	2021-06-10T12:30:47+01:00	2022-02-09T00:00:00+00:00	2022-07-02T23:59:00+01:00	It is currently anticipated Keadby 2 performance validation period will start on 09/02/2022 & finish on 02/07/2022. Prior to this there will be a commissioning phase, during which there will be periods of intermittent generation. The commissioning phase is scheduled to start in September 2021 & run until the start of the validation period. As relevant details of the commissioning plans become firmer REMIT will be updated.
KEADBY GEN. LTD	48X000000000073U	Other_0000000000000000027_003	Dismissed	2021-06-10T12:31:45+01:00	2021-12-20T00:00:00+00:00	2022-05-13T00:01:00+01:00	It is currently anticipated Keadby 2 performance validation period will start on 20/12/2021 & finish on 13/05/2022. Prior to this there will be a commissioning phase, during which there will be periods of intermittent generation. The commissioning phase is scheduled to start in August 2021 & run until the start of the validation period. As relevant details of the commissioning plans become firmer REMIT will be updated.
KEADBY GEN. LTD	48X000000000073U	Other_0000000000000000030_003	Dismissed	2021-08-05T16:06:16+01:00	2022-02-28T00:00:00+00:00	2022-07-21T00:00:00+01:00	It is currently anticipated Keadby 2 performance validation period will start on 28/02/2022 & finish on 21/07/2022. Prior to this there will be a commissioning phase, during which there will be periods of intermittent generation. The commissioning phase is scheduled to start in October 2021 & run until the start of the validation period. As relevant details of the commissioning plans become firmer REMIT will be updated.
Seagreen Wind Energy Ltd		Other_0000000000000000029_003	Dismissed	2021-08-16T12:27:40+01:00	2021-03-09T13:33:00+00:00		It is anticipated that Seagreen commissioning period will start 06/03/22 subject to the Offshore Substation being installed January 2022 and circuit 1 complete and commissioned by 06/03/22. Full commercial operation will commence by the end of 2022. It is expected that over 2022 there will be 270MW available by the early Q2, 600MW by early Q3 2022 and the total capacity of 1075MW available by the end of 2022. As relevant details of the commissioning plans become firmer REMIT will be updated
KEADBY GEN. LTD	48X000000000073U	Other_0000000000000000030_004	Dismissed	2021-09-07T16:27:51+01:00	2022-04-19T00:00:00+01:00	2022-07-31T00:00:00+01:00	It is currently anticipated Keadby 2 performance validation period will start on 19/04/2022 & finish on 31/07/2022. Prior to this there will be a commissioning phase, during which there will be periods of intermittent generation. The commissioning phase is scheduled to start in October 2021 & run until the start of the validation period. As relevant details of the commissioning plans become firmer REMIT will be updated.
Dogger Bank A		Other_0000000000000000038_001	Dismissed	2021-11-02T11:32:15+00:00	2021-02-11T11:31:00+00:00		It is anticipated that Dogger Bank A commissioning period will start on 23/07/2023 with 300MW to be installed by this date and full commercial operation will commence by end of Q1 of 2024. It is expected that there will be a steady increase in installed capacity with approximately 790MW available by the end of Q3 2023, 1050MW by the end of Q4 2023 and the total capacity of 1.2GW available by the end of Q1 2024. As relevant details of the commissioning plans become firmer REMIT will be updated.
Dogger Bank A		Other_0000000000000000038_002	Dismissed	2021-11-02T14:08:36+00:00	2021-02-11T11:31:00+00:00		It is anticipated that Dogger Bank A commissioning period will start on 23/07/2023 with 300MW to be installed by this date and full commercial operation will commence by end of Q1 of 2024. It is expected that there will be a steady increase in installed capacity with approximately 790MW available by the end of Q3 2023, 1050MW by the end of Q4 2023 and the total capacity of 1.2GW available by the end of Q1 2024. As relevant details of the commissioning plans become firmer REMIT will be updated.
Dogger Bank A	48X0000000003113	Other_0000000000000000038_003	Dismissed	2021-11-18T10:21:30+00:00	2021-02-11T11:31:00+00:00		It is anticipated that Dogger Bank A commissioning period will start on 23/07/2023 with 300MW to be installed by this date and full commercial operation will commence by end of Q1 of 2024. It is expected that there will be a steady increase in installed capacity with approximately 790MW available by the end of Q3 2023, 1050MW by the end of Q4 2023 and the total capacity of 1.2GW available by the end of Q1 2024. As relevant details of the commissioning plans become firmer REMIT will be updated.
KEADBY GEN. LTD	48X000000000073U	Other_0000000000000000030_005	Dismissed	2021-11-29T13:21:53+00:00	2022-05-23T00:00:00+01:00	2022-09-03T00:00:00+01:00	It is currently anticipated Keadby 2 performance validation period will start on 23/05/2022 & finish on 03/09/2022. Prior to this there will be a commissioning phase, during which there will be periods of intermittent generation. The commissioning phase started in October 2021 & will run until the start of the validation period. As relevant details of the commissioning plans become firmer REMIT will be updated.

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