TABLE-North Sea gas maintenance schedule: Revises Subterminal Bacton outage

OPERATOR

LOCATION

OUTAGE DATES

OUTAGE DESCRIPTION/IMPACT

2021 OUTAGES

Fluxys

Interconnector

Jul 6, 0600 CET - Mar 31, 2028 0600 CET

UK import capacity reduction to 31,392,673 kWh/h; unplanned equipment maintenance

2024 OUTAGES

SSE

Atwick

Apr 9, 2024 0850 BST- Jun 25, 2026 0500 BST

50 GWh/d planned withdrawal unavailability; phase 6 reduction

2025 OUTAGES

INEOS

FPS system

4Q (25 November)

Train 3 TAR has commenced with a current forecast duration of twelve (12) weeks

2026 OUTAGES

SSE

Atwick

Apr 14, 0903 BST - Jun 26, 1800 BST

0.238-0.483 TWh; Unplanned storage unavailability, failure

SSE

Aldbrough

Apr 28, 1545 BST - May 09, 0500 BST

66.98 GWh/d; Planned withdrawal unavailability; Production train 2 outage

SSE

Aldbrough

May 09, 1545 BST - May 26, 0500 BST

287.78 GWh/d; Planned withdrawal unavailability; Full outage. Withdrawal.

Gassco

Oseberg

Apr 30, 2226 CET - May 01, 0600 CET

20.1 mcm/d; yearly maintenance

Gassco

Troll

Apr 16, 0600 CET - May 07, 0600 CET

20.5-97.5 mcm/d; yearly maintenance

Gassco

Troll

May 07, 0600 CET - May 08, 0600 CET

21.9-21.6 mcm/d; Compressor failure

Gassco

Karsto

May 07, 0600 CET - May 08, 0600 CET

21.6 mcm/d; yearly maintenance

Gassco

Troll

Mar 20, 0600 CET - May 28, 0600 CET

14.0 to 127.4 mcm/d; yearly maintenance

Gassco

Troll

Apr 09, 0600 CET - Jun 19, 0600 CET

13.0 to 130.4 mcm/d; yearly maintenance

SSE

Atwick

Apr 09, 0850 BST - Jun 25, 0500 BST

45 - 50 GWH/d; planned withdrawal unavailability

Gassco

Kollsnes

Apr 16, 0000 CET - May 07, 0000 CET

36-39 mcm/d; yearly maintenance

Gassco

St Fergus

Apr 17, 0600 CET - May 11, 0600 CET

19.7 mcm/d; yearly maintenance

Gassco

Troll

Apr 16, 0600 CET - May 20, 0600 CET

14.0 to 20.5 mcm/d; yearly maintenance

Gassco

Oseberg

May 01, 0600 CET - May 25, 0600 CET

26.6 mcm/d; yearly maintenance

Gassco

Emden

May 04, 0600 CET - May 09, 0600 CET

20.1 mcm/d; yearly maintenance

Gassco

Aasta Hansteen

May 04, 0600 CET - May 27, 0600 CET

21.8 mcm/d; yearly maintenance

Gassco

Easington

May 06, 0600 CET - May 07, 0600 CET

43.8 mcm/d; yearly maintenance

Spirit Energy

Barrow (North Terminal)

May 10, 0200 BST - Jun 20, 0600 BST

6.0 mcm/d; planned annual terminal maintenance

Storengy UK

Stublach

May 07, 0500 BST- May 23, 0459 BST

182,000,000 kWh/d planned unavailability

Shell #

Subterminal Bacton

May 09, 0600 BST- May 15, 0600 BST

27.3 mcm/d; gas treatment plant unavailability

Gassco

Kollsnes

May 11, 0600 CET - May 13, 0600 CET

38.0 mcm/d; yearly maintenance

Gassco

Gullfaks

May 12, 0600 CET - May 14, 0600 CET

11.2 mcm/d; yearly maintenance

SSE

Atwick

May 14, 0700 BST- May 14, 1700 BST

0.213 TWh; planned storage unavailability

Gassco

Dunkerque

May 20, 0600 CET - May 21, 0600 CET

27.7 mcm/d; yearly ESD test

Gassco

Troll

May 22, 0600 CET - May 27, 0600 CET

29 mcm/d; yearly maintenance

Gassco

Visund

May 20, 0600 CET - May 22, 0300 CET

13.0 mcm/d; yearly maintenance

Gassco

Kollsnes

May 21, 0600 CET - May 22, 0600 CET

88.0 mcm/d; yearly maintenance

Gassco

Nyhamna

May 25, 0600 CET - May 29, 0600 CET

14.8 mcm/d; yearly maintenance

Gassco

Ormen Lange

May 25, 0600 CET - Jun 05, 0600 CET

10.4 - 11.9 mcm/d; yearly maintenance

TAQA

UGS Bergermeer

May 31, 0400 CET - Jun 07, 0400 CET

144 GWh/d; gas treatment plant unavailability

TAQA

UGS Bergermeer

Jun 15, 0400 CET - Jun 27, 0400 CET

185 GWh/d; gas treatment plant unavailability

Gassco

Troll

May 30, 0600 CET - Jun 07, 0600 CET

42.4 to -16 mcm/d; Yearly maintenance

SSE

Atwick

May 31, 0500 BST - Jun 06, 1800 BST

55 GWh/d; planned withdrawal unavailability

Gassco

Fields Delivering into SEGAL

Jun 01, 0600 CET - Jun 02, 0600 CET

10.2 mcm/d; yearly maintenance

Gassco

Nyhamna

Jun 01, 0600 CET - Jun 05, 0600 CET

14.8 mcm/d; yearly maintenance

Perenco

Dimlington

Jun 01, 0600 BST - Jun 15, 0600 BST

4.8 mcm/d; planned maintenance shutdown

TAQA

UGS Bergermeer

Jun 03, 0400 BST - Jun 11, 0400 BST

266 GWh/d; gas treatment plant unavailability

TAQA

UGS Bergermeer

Jun 07, 0400 CET - Jun 15, 0600 CET

170 GWh/d; gas treatment plant unavailability

Gassco

Ormen Lange

Jun 02, 0600 CET - Jun 03, 0600 CET

10.1-49.8 mcm/d; yearly maintenance

Gassco

Ormen Lange

Jun 01, 0600 CET - Jun 05, 0600 CET

11.9 mcm/d; yearly maintenance

Gassco

Fields delivering into SEGAL

Jun 02, 0600 CET - Jun 09, 0600 CET

-13.9 mcm/d; yearly maintenance

Shell

Subterminal St. Fergus

Jun 03, 0700 BST - Jun 03, 1900 BST

38 mcm/d; planned gas treatment plant unavailability

TAQA

UGS Bergermeer

Jun 14, 0400 CET - Jun 27, 0400 CET

185 GWh/d; gas treatment plant unavailability

Gassco

Nyhamna

Jun 04, 0600 CET - Jun 05, 0600 CET

49.8 mcm/d; yearly maintenance

Gassco

Hammerfest LNG - Melkøya

Jun 04, 0600 CET - Jun 10, 0600 CET

18.4 mcm/d; yearly maintenance

TAQA

UGS Bergermeer

Jun 06, 0400 CET - Nov 01, 0500 CET

41 GWh/d; gas treatment plant unavailability

Gassco

St Fergus

Jun 08, 0600 CET - Aug 15, 0600 CET

18.8 mcm/d; yearly maintenance

Gassco

Visund

Jun 09, 0600 CET - Jun 11, 0600 CET

15.1 mcm/d; yearly maintenance

Gassco

Nyhamna

Jun 09, 0600 CET - Jun 13, 0600 CET

14.8 mcm/d; yearly maintenance

Gassco

Zeebrugge

Jun 11, 0600 CET - Jun 13, 0600 CET

12.2 mcm/d; yearly maintenance

Gassco

Troll

Jun 11, 0600 CET - Jun 15, 0600 CET

49.9 mcm/d; yearly maintenance

Gassco

Kollsnes

Jun 11, 0600 CET - Jun 21, 0600 CET

38.0 - 43.0 mcm/d; yearly maintenance

TAQA

UGS Bergermeer

Jun 15, 0600 CET - Jun 22, 0600 CET

290 GWh/d; gas treatment plant unavailability

Gassco

Nyhamna

Jun 16, 0600 CET - Jun 20, 0600 CET

14.8 mcm/d; yearly maintenance

SSE

Atwick

Jun 18, 1000 BST - Jun 18, 1600 CET

45 GWh/d; Planned withdrawal unavailability

TAQA

UGS Bergermeer

Jun 27, 0400 CET - Aug 17, 0500 CET

118 GWh/d; gas treatment plant unavailability

NSMP

TGPP

June 23, 21 days

Planned Maintenance

SSE

Atwick

Jun 25, 0500 BST - Jul 27, 1800 BST

30 GWh/d; Planned injection unavailability, Annual Full Site outage

Perenco

Dimlington

Jun 27, 0600 BST - Jul 11, 0600 BST

4.8 mcm/d; Perenco Dimlington throughput reduced with partial restart expected after initial 3 days offline period.

Gassco

Oseberg

Jul 02, 0600 CET - Jul 08, 0600 CET

11.7 mcm/d; yearly maintenance

SSE

Aldbrough

Jun 28, 0500 BST - Jul 13, 1800 BST

0.33 TWh; planned storage unavailability

SSE

Atwick

Jul 16, 1800 BST - Sep 01, 0500 BST

100 GWh/d; planned withdrawal unavailability

SSE

Aldbrough

Jul 14, 0500 BST - Jul 26, 1800 BST

0.43 TWh; planned storage unavailability

SSE

Aldbrough

Aug 03, 0500 BST - Aug 11, 1800 BST

0.41 TWh; planned storage unavailability

Perenco

Bacton

Aug 01, 0600 BST - Aug 20, 0600 BST

8.8 mcm/d; planned maintenance shutdown

Total EP UK

Bacton SEAL (Elgin Franklin)

Aug 03, 0600 BST - Aug 07, 1200 BST

4.4 mcm/d; Due to planned maintenance at the Bacton Terminal, Elgin Franklin exports will stop

SSE

Aldbrough

Aug 11, 0500 BST - Oct 01, 1800 BST

0.44 TWh; planned storage unavailability

Gassco

Sleipner

Aug 28, 0600 CET - Sep 22, 0600 CET

13.1 mcm/d; yearly maintenance

TAQA

UGS Bergermeer

Aug 18, 0400 CET - Aug 19, 0400 CET

185 GWh/d; gas treatment plant unavailability

Gassco

Kollsnes

Aug 12, 0600 CET - Sep 22, 0600 CET

16.0-40.0 mcm/d; yearly maintenance

Gassco

Troll

Aug 29, 0600 CET - Sep 07, 0600 CET

18 mcm/d; yearly maintenance

Perenco

Bacton

Sep 01, 0600 BST - Sep 24, 0600 BST

8 mcm/d; planned maintenance shutdown

Fluxys

Interconnector

Sep 01 - Sep 20

Planned maintenance shutdown

Gassco

Easington

Sep 01, 0600 CET - Sep 02, 0600 CET

42.7 mcm/d; yearly ESD test

SSE

Atwick

Sep 01, 0500 BST - Sep 08, 1800 BST

30 GWh/d; Planned injection unavailability

Humbly Energy

Humbly Grove

Sep 02, 0500 BST - Sep 17, 0459 BST

89 GWh/d; Annual Maintenance

Gassco

Troll

Sep 07, 0600 CET - Sep 16, 0600 CET

13.0 mcm/d; yearly maintenance

Gassco

Kollsnes

Sep 06, 0600 CET - Sep 19, 0600 CET

26.0 mcm/d; yearly maintenance

Gassco

Troll

Sep 21, 0600 CET - Sep 22, 0600 CET

12.0 mcm/d; yearly maintenance

SSE

Aldbrough

Sep 12, 0500 BST - Sep 25, 1800 BST

0.43 TWh; Planned Outage, Ald. 7 Maintenance & Intervention

Gassco

Aasta Hansteen

Sep 15, 0600 CET - Sep 17, 0600 CET

16.1 mcm/d; yearly maintenance

Gassco

Nyhamna

Sep 15, 0600 CET - Sep 22, 0600 CET

51.8 mcm/d; yearly maintenance

TAQA +

UGS Bergermeer

Sep 17, 0400 CET - Sep 26, 0400 CET

185 GWh/d; gas treatment plant unavailability

Gassco

Aasta Hansteen

Feb 13, 0600 CET - Sep 21, 0600 CET

17.4 mcm/d; yearly maintenance

Gassco

Kårstø

Sep 22, 0600 CET - Sep 26, 0600 CET

19.6 mcm/d; yearly maintenance

Gassco

Asgard

Sep 23, 0600 CET - Sep 24, 0600 CET

26.9 mcm/d; yearly maintenance

Gassco

Kristin

Sep 23, 0600 CET - Sep 29, 0600 CET

11.9 mcm/d; yearly maintenance

Gassco

Zeebrugge

Sep 21, 0600 CET - Sep 25, 0600 CET

21.1 mcm/d upstrream restriction

Gassco

Skarv

Sep 21, 1328 CET - Sep 24, 0600 CET

14.9-15.3 mcm/d; yearly maintenance

BBL company

BBL pipeline

Sep 30, 0600 CET - Oct 15, 0600 CET

Planned maintenance

Gassco

Oseberg

Sep 23, 0600 CET - Sep 30, 0600 CET

13.5 mcm/d; yearly maintenance

Gassco

Aasta Hansteen

Sep 29, 0600 CET - Oct 03, 0600 CET

17.7 mcm/d; yearly maintenance

Gassco

Zeebrugge

Sep 30, 0600 CET - Oct 01, 0600 CET

22.2 mcm/d; yearly maintenance

TAQA

UGS Bergermeer

Oct 03, 0500 CET - Nov 02, 0500 CET

185 to 497 GWh/d; gas treatment plant unavailability

Gassco

Oseberg

Oct 10, 0600 CET - Oct 23, 0600 CET

27.5 mcm/d; yearly maintenance

Gassco

Aasta Hansteen

Oct 15, 0600 CET - Oct 19, 0600 CET

20.7 mcm/d; yearly mainetenance

SSE

Aldbrough

Oct 25, 0500 BST - Oct 31, 1800 BST

97.78 GWh/d; planned injection unavailability

Gassco

Visund

Dec 01, 0600 CET - Dec 02, 0600 CET

14.8 mcm/d; yearly maintenance

INEOS

FPS system

2026

The annual Unity ESDV closure test, Cruden Bay NGL ESDV leak test, and Forties Charlie equipment tests will take place (3Q- Aug 4); the Old Lock Berth Outage will take place (2Q)