Winter 2025-2026: Teréga has completed its gas storage auction campaign

Teréga’s storage accounts for 26% of French capacity. The two underground reservoirs at Lussagnet (Landes) and Izaute (Gers) help guarantee the security of the country’s energy supply, and their geographical position means they play a major role at the crossroads of South European gas exchanges.

34,000 GWh of storage subscribed

Trading of Teréga’s storage capacities for the year 2025-26 took place from November 2021 to 25 March 2025, at the end of the auctions organised on its Storeplace platform. During these auctions, 4 different storage products were offered to the market to meet every need:

• FIZZ (withdrawal in 85 days): 22,200 GWh;

• FAIR (withdrawal in 110 days): 9,300 GWh;

• FAST (withdrawal in 40 days): 1,600 GWh;

• OPSTOCK (withdrawal in 55 days): 900 GWh.

Of the 45 companies that participated in the auctions, 38 are now customers for the 2025-26 storage year (+2 compared with last year).