Operational news

On this page, you will find the latest news and announcements relating to gas operations and data. Please refer to this page for industry updates, data changes and outages.

You can find earlier gas operational news on the archive page.

MIPI Outage

10th April 

A MIPI outage will take place on Tuesday 16th April between the hours of 16:00 to 23:00.

During this outage period the Forecast Demand (SISRO3) will be unavailable, respective data will be patched following the completion of the outage. The 21:00 Demand Attribute File, UIG and Linepack will be published via the contingency methods. For further information please email us on: [email protected]


Gemini Disaster Recovery 

10th April

Xoserve will be conducting the 2019 Gemini, Gemini Exit and Gemini EU disaster recovery test on Saturday 13th and Sunday 14th April as part of their annual programme of disaster recovery and resilience testing.  This is an annual test to prove the DR capabilities and procedures of Gemini and will be managed end-to-end by Xoserve.

There will be a service outage between the following times:

  • Gemini, Gemini Exit and EU – Saturday 13th April 03:15 to 07:30 UK BST.  Should it be necessary to fail back to the primary site, the outage window will be extended to 12:30 UK BST.
  • Gemini, Gemini Exit and EU – Sunday 14th April 03:00 to 07:30 UK BST.  Should there be issues failing back to the primary site, the outage window will be extended to 12:30 UK BST.

The contingency date for the 2019 DR test is Saturday 27th and Sunday 28th April with the same timings as above.


Gemini Disaster Recovery

4th April 

Xoserve will be conducting the 2019 Gemini, Gemini Exit and Gemini EU disaster recovery test on Saturday 13th and Sunday 14th April as part of their annual programme of disaster recovery and resilience testing.  This is an annual test to prove the DR capabilities and procedures of Gemini and will be managed end-to-end by Xoserve.

There will be a service outage between the following times:

  • Gemini, Gemini Exit and EU – Saturday 13th April 03:15 to 07:30 UK BST.  Should it be necessary to fail back to the primary site, the outage window will be extended to 12:30 UK BST.
  • Gemini, Gemini Exit and EU – Sunday 14th April 03:00 to 07:30 UK BST.  Should there be issues failing back to the primary site, the outage window will be extended to 12:30 UK BST.

Clock Change 2019

26th March 

The Gemini Clock change from Greenwich Mean Time (GMT) to British Summer Time (BST) will be carried out on Sunday 31st March 2019.

The Gemini system will not change to BST until 02:00 GMT (03:00 BST) on Sunday 31st March 2019, when the normal housekeeping slot will commence.

Please be aware that the system clocks will remain in GMT until 02:00 when they close for housekeeping. The systems will then return at the times given in the timetable below:

Gemini Timetable (system times):

Start of outage:        Sunday 31/03/2019 at 02:00 GMT (03:00 BST)

End of outage:          Sunday 31/03/2019to 05:00 BST

Duration:                     Net outage - 2 elapsed hours (normal housekeeping slot)

Shippers

All EU Nominations for gas day 31/03/19 will need to be placed and confirmed within both the Gemini and TSO systems by 00:59 GMT on Sunday 31st March 2019 to be included in the end of day totals.

TSO’s

The impact to the EU Nominations process is that the last DELORD file to be sent to the TSOs from Gemini will be at 01:03 GMT.

Regards

National Grid


 
MIPI Issues 

25th March 

Please be aware we experienced issues with the MIPI website on 24th March between the hours of 06:14 to 08:30. This issue is now resolved and the website is back up and running and historical data is patched. 


MIPI Outage 

19th March 

Please be aware there will be a MIPI outage taking place on Sunday 24th March between the hours of 02:00 to 03:00. The following reports will be affected:

  • NB05- System Nomination Balance report will not be published for the 02:00 hour bar, as no file will be received. 
  • Nomination report will not be published for the 02:00 hour bar.  
  • The latest data will not be visible during the expected impact time.

Once the activity is complete, it will take just under an hour to make the latest data available.

For further information please contact the Operational Liaison team via email- [email protected]


GCS Outage 

7th March 

Due to operational requirements, a system outage will take place on Thursday 12th March GCS Switchover 16:00 – 20:00

This will affect some elements of Operational data displayed through MIPI.  Impacts will be seen through both the data displayed on the Prevailing View page and within Data Item Explorer.

To clarify, this will affect the following data within Prevailing view:

  • PCLP Data- Hourly data.
  • Forecast Flows – Hourly data
  • Physical Flows – Hourly data
     
  • Within Data Item Explorer the following will be impacted:

Obligated MIPI reports impacted

Impact During GCS Outage 16:00 – 20:00

NTSAFF-Aggregate Forecast Flows into the NTS

Continues to Update with last good value

NTSAPF-Aggregate Physical Flows into the NTS

Total Outage to data - no updates - until GCS is back up, next available hour bar will then be published by GNCC

NB92-System Status Information

Total Outage to data - no updates - until GCS is back up, next available hour bar will then be published by GNCC

Physical Flows, Bacton IUK Entry

No data updates for duration

Physical Flows, Bacton IUK Exit

No data updates for duration

Physical Flows, Bacton BBL Entry

No data updates for duration

Physical Flows, Moffat Exit

No data updates for duration

GMRS Data

Updates with last good value until a new value is received from GCS

During the outage (Opening line pack, demand & PCLP) will be made available utilising ANS – this data will also available on the bottom of the prevailing view screen.

All missed data items will be patched back by the end of each Gas Day

See our Operational news page here: click here for gas operational news

Please note these dates may change due to operational requirements.

If you have any further questions, please contact us on box.[email protected]


GCS Outage 

18th February 2019

Due to operational requirements, a system outage wil take place on Monday 18th February GCS Switchover 16:00 – 18:30

This will affect some elements of Operational data displayed through MIPI.  Impacts will be seen through both the data displayed on the Prevailing View page and within Data Item Explorer.

To clarify, this will affect the following data within Prevailing view:

  • PCLP Data- Hourly data.
  • Forecast Flows – Hourly data
  • Physical Flows – Hourly data
     

Within Data Item Explorer the following will be impacted:

Obligated MIPI reports impacted

Impact During GCS Outage 16:15 – 18:30

NTSAFF-Aggregate Forecast Flows into the NTS

Continues to Update with last good value

NTSAPF-Aggregate Physical Flows into the NTS

Total Outage to data - no updates - until GCS is back up, next available hour bar will then be published by GNCC

NB92-System Status Information

Total Outage to data - no updates - until GCS is back up, next available hour bar will then be published by GNCC

Physical Flows, Bacton IUK Entry

No data updates for duration

Physical Flows, Bacton IUK Exit

No data updates for duration

Physical Flows, Bacton BBL Entry

No data updates for duration

Physical Flows, Moffat Exit

No data updates for duration

GMRS Data

Updates with last good value until a new value is received from GCS

During the outage (Opening line pack, demand & PCLP) will be made available utilising ANS – this data will also available on the bottom of the prevailing view screen.

All missed data items will be patched back by the end of each Gas Day

See our Operational news page here: click here for gas operational news

Please note these dates may change due to operational requirements.

If you have any further questions, please contact us on box.[email protected]


GCS Change

8th February 2019

Please be aware that there will be system outages taking place on Thursday 14th February GCS Switchover 16:15 – 18:00

This will affect some elements of Operational data displayed through MIPI.  Impacts will be seen through both the data displayed on the Prevailing View page and within Data Item Explorer.

To clarify, this will affect the following data within Prevailing view:

  • PCLP Data- Hourly data.
  • Forecast Flows – Hourly data
  • Physical Flows – Hourly data
     
    Within Data Item Explorer the following will be impacted:

 

Obligated MIPI reports impacted

Impact During GCS Outage 16:15 – 18:00

NTSAFF-Aggregate Forecast Flows into the NTS

Continues to Update with last good value

NTSAPF-Aggregate Physical Flows into the NTS

Total Outage to data - no updates - until GCS is back up, next available hour bar will then be published by GNCC

NB92-System Status Information

Total Outage to data - no updates - until GCS is back up, next available hour bar will then be published by GNCC

Physical Flows, Bacton IUK Entry

No data updates for duration

Physical Flows, Bacton IUK Exit

No data updates for duration

Physical Flows, Bacton BBL Entry

No data updates for duration

Physical Flows, Moffat Exit

No data updates for duration

GMRS Data

Updates with last good value until a new value is received from GCS

During the outage (Opening line pack, demand & PCLP) will be made available utilising ANS – this data will also available on the bottom of the prevailing view screen.

All missed data items will be patched back by the end of each Gas Day

See our Operational news page here: click here for gas operational news

Please note these dates may change due to operational requirements.

If you have any further questions, please contact us on box.[email protected]


MIPI Maintenance

5th February 2019

MIPI maintenance will take place 10.02.19. between 02:10hrs to 02:55hrs, including.

The following reports in MIPI will be affected:

  • NB05 - System Nomination Balance.  report will not be published for 02:00 hour bar
  • Nomination Report.  Report will not be published for 02:00 hour bar.  

PDWS:

  • The data flow to ENTSOG will be impacted for 02:00 hour bar

GMRS:

  • The latest data will not be visible during the expected impact window (02:10hrs to 02:55hrs). Following the activity, it will take approx. 30mins to synchronise the data.

GCS Changes 

16th January 2019

Please be aware that there will be system outages taking place on the following dates:

  • Tuesday 5th February GCS Switchover 16:15 – 20:00
  • Tuesday 12th February GCS switchover 16:15 – 20:00
  • Tuesday 19th March GCS Switchover 16:15 – 20:00

This will affect some elements of Operational data displayed through MIPI.  Impacts will be seen through both the data displayed on the Prevailing View page and within Data Item Explorer.

To clarify, this will affect the following data within Prevailing view:

  • PCLP Data- Hourly data.
  • Forecast Flows – Hourly data
  • Physical Flows – Hourly data

Within Data Item Explorer the following will be impacted:

 

Obligated MIPI reports impacted

Impact During GCS Outage 16:15 - 20:00

NTSAFF-Aggregate Forecast Flows into the NTS

Continues to Update with last good value

NTSAPF-Aggregate Physical Flows into the NTS

Total Outage to data - no updates - until GCS is back up, next available hour bar will then be published by GNCC

 

NB92-System Status Information

Total Outage to data - no updates - until GCS is back up, next available hour bar will then be published by GNCC

 

Physical Flows, Bacton IUK Entry

No data updates for duration

Physical Flows, Bacton IUK Exit

No data updates for duration

Physical Flows, Bacton BBL Entry

No data updates for duration

Physical Flows, Moffat Exit

No data updates for duration

GMRS Data

Updates with last good value until a new value is received from GCS

 

During the outage (Opening line pack, demand & PCLP) will be made available utilising ANS – this data will also available on the bottom of the prevailing view screen.

All missed data items will be patched back by the end of each Gas Day

See our Operational news page here: click here for gas operational news

Please note these dates may change due to operational requirements.

If you have any further questions, please contact us on box.[email protected]

We apologise for any inconvenience this may cause.


 
MIPI Issue 

15th January 2019

The price data is now available in MIPI.

Sorry for the inconvenience this has caused.


MIPI Issue 

15th January 2019

Please be aware we are experiencing issues with SAP price data in MIPI affecting data from the the 11th January. Further updates will be communicated via this page. 

If you have any further questions, please contact us on box.[email protected].


MIPI Maintenance

6th December 2018

Please be aware there is a MIPI maintenance activity taking place on 11th December between 19:10 and 19:40.

During this period MIPI will be unavailable. During the outage (Opening Line Pack, Demand and PCLP) will be made available via the normal ANS route.

If you have any further questions, please contact us on box.[email protected].


Gemini Extended Outage

4th December 2018

Xoserve will be conducting a Gemini extended service outage on Sunday 9th December between 03:00 – 07:00 UK BST.

No capacity auctions will be running until the system is released at 07:00 UK BST.

If you have any further questions, please contact us on box.[email protected].


MIPI Maintenance

23rd November 2018

Please be aware there is a MIPI maintenance activity taking place on 27th November between 19:00 and 19:40. During this period MIPI will be unavailable. During the outage (Opening line pack, demand and PCLP) will be made available via the normal ANS route. If you have any further questions, please contact us on box.[email protected].


Xoserve Update

23rd November 2018

Xoserve will be conducting a Gemini Enhanced File Transfer Upgrade outage on Tuesday 27th November all inbound and outbound files during this window will not be processed until after EFT has been released at 07:00 UK GMT following the upgrade.


Emergency Change - GCS Outage - Wednesday 21st November 2018 16:00pm–18:00pm

21st November 2018

Please be aware that there will be an emergency change system outage taking place on 21st November 2018 (between 16:00– 18:00) which will affect some elements of Operational data displayed through MIPI.  Impacts will be seen through both the data displayed on the Prevailing View page and within Data Item Explorer.

To clarify, this will affect the following data within Prevailing view:

  • PCLP Data- Hourly data.
  • Forecast Flows – Hourly data
  • Physical Flows – Hourly data

Within Data Item Explorer the following will be impacted:

Obligated MIPI reports impacted

Impact During GCS Outage 16:00 - 18:00

NTSAFF-Aggregate Forecast Flows into the NTS

Continues to Update with last good value

NTSAPF-Aggregate Physical Flows into the NTS

Total Outage to data - no updates - until GCS is back up, next available hour bar will then be published by GNCC

 

NB92-System Status Information

Total Outage to data - no updates - until GCS is back up, next available hour bar will then be published by GNCC

 

Physical Flows, Bacton IUK Entry

No data updates for duration

Physical Flows, Bacton IUK Exit

No data updates for duration

Physical Flows, Bacton BBL Entry

No data updates for duration

Physical Flows, Moffat Exit

No data updates for duration

GMRS Data

Updates with last good value until a new value is received from GCS

 


During the outage ( Opening line pack, demand & PCLP)  will be made available utilising ANS – this data will also available on the bottom of the prevailing view screen.

All missed data items will be patched back by the end of Gas Day 22nd November.

See our Operational news page here: click here for gas operational news

If you have any further questions, please contact us on box.[email protected]

We apologise for any inconvenience this may cause.


Gemini Extended Outage

20th November 2018

Xoserve will be conducting a Gemini extended service outage on Sunday 25th November between 03:00 – 07:00 UK GMT. No capacity auctions will be running until the system is released at 07:00 UK GMT.

GB EU Charging (2019) Part A Go Live Sunday 18 November

16 November 2018

This article covers information relevant to the GB EU Charging (2019) Part A go live this Sunday 18th November.

The external impacts of Part A to the industry are:

  1. Data related to the Reference Price, Multipliers and Discounts will be available from May 2019 on the ENTSOG Transparency Platform
  2. Entry Capacity Availability Report on MIPI with additional constraints data.

How will the go live on Sunday 18th November impact the industry?

  • There should be no impact to system service as a result of the go live on Sunday
  • The changes to Gemini are being made during the normal maintenance window 03:00 - 05:00
  • MIPI changes are being implemented from 07:00 without a system outage

What do you need to do?

  • An updated list of MIPI APIs is available on the National Grid website (API Data Item List v1.7)

Go Live Support

  • Xoserve Service Desk
    0845 600 0506/+44 (0)121 623 2858
    email: [email protected]
  • National Grid Project Team
    email: [email protected] (8am - 5pm)
  • If we experience any issues which impact our systems the industry will be notified immediately

Regards, 

National Grid


October Clock Change

24 October 2018

All Stakeholders,

The Gemini Clock change from British Summer Time (BST) to Greenwich Mean Time (GMT) will be carried out on Sunday 28th October 2018.

The Gemini system will not change to GMT until 04:30 BST (03:30 GMT) on Sunday 28th October, the normal housekeeping slot will commence as per current BST time.

Please be aware that the system clocks will remain in BST until 04:30 and the system will close for housekeeping as normal at 03.00 BST. The systems will then return at the times given below.

Gemini Timetable (system times):

Start of outage:                Sunday 28/10/18at 03:00 BST (02:00 GMT)

End of outage:                  Sunday 28/10/18 to 05:00 GMT

Duration:                             Net outage - 3 elapsed hours

Shippers

All EU Nominations for gas day 28/10/18 will need to be placed and confirmed within both the Gemini and TSO systems by 00:59 BST on Sunday 28th October 2018 to be included in the end of day totals.

TSO’s

The impact to the EU Nominations process is that the last DELORD file to be sent to the TSOs from Gemini will be at 01:04 BST.

Regards

National Grid


MIPI Maintenance

Please be aware that there will be a system outage taking place on 16th October  2018 (between 18:30– 19:10) which will affect some elements of Operational data displayed through MIPI.  Impacts will be seen through both the data displayed on the Prevailing View page and within Data Item Explorer.

To clarify, this will affect the following data within Prevailing view:

  • PCLP Data- Hourly data.
  • Forecast Flows – Hourly data
  • Physical Flows – Hourly data

See our Operational news page here: click here for gas operational newsIf you have any further questions, please contact us on [email protected]

We apologise for any inconvenience this may cause.

GCS Outage - 6th November 2018 16:00–20:00

11th October 2018

Please be aware that there will be a system outage taking place on 6th November 2018 (between 16:00– 20:00) which will affect some elements of Operational data displayed through MIPI.  Impacts will be seen through both the data displayed on the Prevailing View page and within Data Item Explorer.

To clarify, this will affect the following data within Prevailing view:

  • PCLP Data- Hourly data.
  • Forecast Flows – Hourly data
  • Physical Flows – Hourly data

Within Data Item Explorer the following will be impacted:

Obligated MIPI reports impacted

Impact During GCS Outage 16:00 - 20:00

NTSAFF-Aggregate Forecast Flows into the NTS

Continues to Update with last good value

NTSAPF-Aggregate Physical Flows into the NTS

Total Outage to data - no updates - until GCS is back up, next available hour bar will then be published by GNCC

 

NB92-System Status Information

Total Outage to data - no updates - until GCS is back up, next available hour bar will then be published by GNCC

 

Physical Flows, Bacton IUK Entry

No data updates for duration

Physical Flows, Bacton IUK Exit

No data updates for duration

Physical Flows, Bacton BBL Entry

No data updates for duration

Physical Flows, Moffat Exit

No data updates for duration

GMRS Data

Updates with last good value until a new value is received from GCS

 

 

During the outage ( Opening line pack, demand & PCLP)  will be made available utilising ANS – this data will also available on the bottom of the prevailing view screen.

All missed data items will be patched back by the end of Gas Day 8th August.

See our Operational news page here: click here for gas operational news

If you have any further questions, please contact us on box.[email protected]

We apologise for any inconvenience this may cause.