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Dutch ACM obliges Nam to market Norg, Grijpskerk space

  • Märkte: Natural gas
  • 25.02.26

Dutch regulator ACM has ordered Nam to prepare to market gas storage capacity at the Norg and Grijpskerk sites for the 2026-27 storage year, in parallel to its negotiations with state-owned EBN to take over filling obligations.

Nam must begin the process to market space at the two sites "immediately" and an arrangement must be in place by 1 April, according to ACM's binding obligation on Nam.

ACM has imposed this binding course of conduct on Nam to ensure that market participants can access the storage facilities and to avoid risking security of supply in the 2026-27 winter. Nam, as owner of the sites, can make arrangements with firms to fill the sites in a timely manner, but if this does not happen then Nam is obliged to offer market participants access to the sites.

Nam — held in equal shares by Shell and ExxonMobil — will take over both sites on 1 April following the dismantling of Gasterra, which has been the sites' sole capacity holder since 1997.

Nam is already negotiating with EBN to take over filling duties for the facilities. If Nam and EBN reach an agreement in the near future, then Nam will no longer need to comply with this binding course of conduct. But it is unclear whether Nam will reach an agreement before 1 April, which creates a possibility that the Netherlands will miss its EU-imposed filling target, ACM said. The Netherlands must have at least 74pc of its storage filled from 1 October-1 December.

"There is no time to first complete negotiations" and Nam must begin the process to market the capacities in parallel to the negotiations, ACM said. The storage space must be marketed on objective, transport and non-discriminatory terms that would ensure fair allocation and pricing. Nam must market this capacity through auctions or an open season.

If there is plenty of available capacity, Nam can offer capacity on a first-come, first-served basis. If demand is higher than available space Nam must switch to an objective auction allocation. And Nam must prevent capacity hoarding by using mechanisms like use-it-or-lose-it.

Nam must also publicly offer all unused or uncontracted capacity. The firm must offer multiple services, including long-term and short-term bookings, bundled and unbundled capacity, and firm and interruptible allocations. The contract terms cannot hamper competition and any capacity limits must be strictly based on technical restrictions of the facilities. Nam must also publish all relevant technical and commercial information for use of facilities, in line with other EU member states. Nam must charge a reasonable rate, based on historical costs and rates, ACM said.

Nam has argued that Norg and Grijpskerk should not be treated as gas storage installations under Dutch law, claiming that ACM's legal basis for imposing third-party access is invalid. The firm also said ACM is misusing the binding obligation to enforce storage fill targets, rather than enhance market functioning, and warned that it would conflict with existing contractual obligations. Nam also said that technical limits make it unrealistic to enable new users — let alone multiple users — by 1 April, saying several required services simply cannot be delivered at such short notice. ACM rejected all of Nam's complaints.


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