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Norway's gas network enters peak maintenance as it prepares for winter duty

As Europe's largest supplier prepares the system for winter demand, maintenance at major gasfields and onshore processing facilities will reduce Norwegian natural gas supplies by about a third in the first half September.

Alfred Skaar Hansen is the head of the system operation department at Norway's Gassco, the operator of the gas infrastructure.

He added that the work was carefully planned to minimize the downtime of Norwegian deliveries.

The European winter gas season, which is when the highest consumption due to heating demands occurs, begins on October 1 until March 31.

Norway was Europe's biggest natural gas supplier after the Russian invasion of Ukraine, in 2022. It supplied about 30% of gas imports into the EU.

Gassco has an 8.800 km (5.468) pipeline network that connects Norwegian gas fields with Germany, Belgium France, Britain, and Denmark. Deliveries are usually around 340 mcm (mcm).

Gassco data shows that the number of nominations has already fallen to 255 mcm/day by Friday due to some maintenance which began earlier this week.

The amount of unavailability will increase from Saturday, and continue to be about 120 mcm/day until September 18. This is due to the larger cuts made at Europe's biggest gas field Troll and at Kollsnes Onshore Processing Plant.

Analysts said that the impact of unplanned delays or extensions could be felt on the market.

Hansen, Gassco's Hansen, said that the company closely monitors and coordinates all work and will inform any changes via their transparency platform.

(source: Reuters)