North Sea gas maintenance schedule: Adds Aldbrough 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 | | 2025 OUTAGES | | | | | INEOS | FPS system | 4Q (25 November) | Train 3 TAR has commenced with a current forecast duration of twelve (12) weeks | | 2026 OUTAGES | | | | | Gassco | St Fergus | Jun 08, 0600 CET - Aug 15, 0600 CET | 18.8 mcm/d; yearly maintenance | | Gassco | Nyhamna | Jul 04, 0600 CET - Sep 24, 0600 CET | 19.8 mcm/d; planned corrective maintenance | | TAQA | UGS Bergermeer | Jul 13, 0400 CET - Aug 18, 0400 CET | 38 GWh/d; compressor station unavailability | | TAQA | UGS Bergermeer | Jul 19, 0400 CET - Aug 18, 0400 CET | 115 GWh/d; compression station unavailability | | TAQA | UGS Bergermeer | Jul 30, 0400 CET - Aug 18, 0400 CET | 118 GWh/d; compression station unavailability | | Perenco | Bacton | Aug 01, 0600 BST - Aug 20, 0600 BST | 8.8 mcm/d; planned maintenance shutdown | | Serica Energy UK | St Fergus | Aug 01, 0600 BST - Sep 05, 1200 BST | 4.1 mcm/d; planned gas production field unavailability | | SSE | Aldbrough | Aug 03, 0500 BST - Aug 11, 1800 BST | 0.41 TWh; planned storage unavailability | | SSE + | Aldbrough | Aug 08, 0500 BST - Aug 12, 1800 BST | 95.3 GWh/d; unplanned injection unavailability | | TAQA # | UGS Bergermeer | Aug 09, 0400 CET - Aug 24, 0400 CET | 110 GWh/d; gas treatment plant unavailability | | TAQA | UGS Bergermeer | Aug 07, 0400 CET - Aug 18, 0500 CET | 118 GWh/d; compressor station unavailability | | Total EP UK | St Fergus (Alwyn) | Aug 06, 0500 BST - Aug 14, 1200 BST | 2.4 mcm/d; planned gas treatment plant unavailability | | Spirit Energy | Barrow (North Terminal) | Aug 03, 1200 BST - Aug 23, 0600 BST | 6 mcm/d; unplanned gas treatment plant unavailability | | TAQA | UGS Bergermeer | Aug 17, 0400 BST - Aug 18, 0400 BST | 118 GWh/d; compressor station unavailability | | SSE | Aldbrough | Aug 11, 0500 BST - Aug 20, 1800 BST | 0.41 TWh; planned storage unavailability | | TAQA | UGS Bergermeer | Aug 20, 0400 BST - Oct 03, 0400 BST | 185 GWh/d; gas treatment plant unavailability | | Gassco | Sleipner | Aug 28, 0600 CET - Sep 22, 0600 CET | 13.1 mcm/d; yearly maintenance | | Gassco | Kollsnes | Aug 12, 0600 CET - Sep 22, 0600 CET | 16.0-40.0 mcm/d; yearly maintenance | | TAQA # | UGS Bergermeer | Aug 24, 0400 CET - Oct 03, 0500 CET | 185 GWh/d; gas treatment plant unavailability | | Gassco | Troll | Aug 22, 0600 CET - Aug 23, 0600 CET | 8.4 mcm/d; yearly maintenance | | NSMP | TGPP | Aug 23, 18 days | Planned maintenance | | Gassco | Troll | Aug 26, 0600 CET - Aug 28, 0600 CET | 10 mcm/d; yearly maintenance | | Gassco | Kollsnes | Aug 29, 0600 CET - Sep 06, 0600 CET | 40 mcm/d; yearly maintenance | | Gassco | Troll | Aug 29, 0600 CET - Sep 07, 0600 CET | 18 mcm/d; yearly maintenance | | Scottish Power | Hatfield | Apr 30, 0700 BST - Aug 31, 0500 BST | 20 GWh/d; planned withdrawal unavailability | | 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 09, 0500 BST - Sep 09, 1800 BST | 100 GWh/d; planned withdrawal 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 19, 0600 CET | 13.2 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 | | Gassco | Aasta Hansteen | Feb 13, 0600 CET - Sep 21, 0600 CET | 17.4 mcm/d; yearly maintenance | | Gassco | Kollsnes | Sep 21, 0600 CET - Sep 22, 0600 CET | 40 mcm/d; yearly maintenance | | Gassco | Kårstø | Sep 22, 0600 CET - Sep 26, 0600 CET | 19.6 mcm/d; yearly maintenance | | Gassco | Aasta Hanstenn | Sep 23, 0600 CET - Sep 25, 0600 CET | 17.3 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 | 12.2 mcm/d; yearly maintenance | | Gassco | Zeebrugge | Sep 21, 0600 CET - Sep 25, 0600 CET | 21.1 mcm/d upstream restriction | | Gassco | Skarv | Sep 23, 1328 CET - Sep 24, 0600 CET | 22.4 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 | | TAQA | UGS Bergermeer | Sep 29, 0400 BST - Sep 30, 0400 BST | 41 GWh/d; other unavailability | | Gassco | Zeebrugge | Sep 30, 0600 CET - Oct 01, 0600 CET | 22.2 mcm/d; yearly maintenance | | TAQA | UGS Bergermeer | Oct 03, 0500 CET - Oct 31, 0500 CET | 497 GWh/d; gas treatment plant unavailability | | Gassco | Nyhamna | Oct 05, 0600 CET - Nov 02, 0600 CET | 19.8 mcm/d; yearly maintenance | | 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 maintenance | | Kistos Energy Storage Ltd | Hill Top | Oct 22, 0800 BST - Oct 22, 1800 BST | 0.6477 TWh; planned storage unavailability | | SSE | Aldbrough | Oct 25, 0500 BST - Oct 31, 1800 BST | 97.78 GWh/d; planned injection unavailability | | TAQA | UGS Bergermeer | Nov 11, 0500 BST - Nov 20, 0500 BST | 36 GWh/d; compression station unavailability | | TAQA | UGS Bergermeer | Nov 20, 0500 BST - Dec 17, 0500 BST | 24 GWh/d; compression station unavailability | | TAQA | UGS Bergermeer | Dec 18, 0500 BST - Dec 19, 0500 BST | 12 GWh/d; compressor station 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) | Aug. 10 (Reuters) - The following is a schedule of maintenance work on gas infrastructure, mainly in the North Sea. The table is arranged by outage start date. Volumes are in standard million cubic metres per day (mcm/d) or gigawatt-hours per day (GWh/d) unless otherwise indicated.

North Sea gas maintenance schedule: Adds Aldbrough outage

Outage schedule

North Sea gas maintenance schedule

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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
2025 OUTAGES
INEOS	FPS system	4Q (25 November)	Train 3 TAR has commenced with a current forecast duration of twelve (12) weeks
2026 OUTAGES
Gassco	St Fergus	Jun 08, 0600 CET - Aug 15, 0600 CET	18.8 mcm/d; yearly maintenance
Gassco	Nyhamna	Jul 04, 0600 CET - Sep 24, 0600 CET	19.8 mcm/d; planned corrective maintenance