Norway’s Troll Gas Expansion Buys Europe Time—But Not New Supply

Norway has launched the second stage of its Troll Phase 3 project to pull 55 billion cubic meters of natural gas from the Troll West reservoir earlier than originally planned. According to OilPrice.com, the development reached first gas on August 22, completing the task several months ahead of the timeline and at a cost tens of millions of dollars below the $1.2 billion estimate. The infrastructure consists of eight production wells and two subsea templates.

The expansion does not increase the total recoverable resources of the field but instead advances the timing of existing reserves to maintain export levels as other areas decline. The project could accelerate up to 7 billion cubic meters annually, representing about 6% of recent yearly gas exports from Norway. Lill Harriet Brusdal, a vice president at Equinor, noted that the asset serves as the "backbone of Norwegian gas exports to Europe."

This operational milestone follows a new 15-year supply agreement between Equinor and Germany's Uniper. While the Troll field provides approximately 10% of the natural gas consumed in Europe, the acceleration strategy highlights a growing reliance on aging infrastructure. Experts suggest that while bringing volumes to market sooner protects current energy security, it does not replace the long-term need for new discoveries to offset future production drops.