The new development, dubbed TWIN (Troll West Increased Gas Recovery North), involves tying two additional wells into existing subsea infrastructure. By leveraging current facilities, Equinor expects to bring the project online by 2028. While the 11 billion cubic meters of gas represent a fraction of Troll’s total reserves, the volume is enough to meet roughly 2% to 3% of annual European demand—a figure comparable to Belgium’s entire yearly consumption.

Gunnar Nakken, Equinor's Senior Vice President for Projects and Subsea Norway, noted that the strategy relies on radical simplification and standardization to curb costs. This initiative is part of a broader effort to sustain production as North Sea fields mature. With 40% of Norway’s remaining gas reserves located in Troll, the field currently provides 10% of Europe’s natural gas. By utilizing electrified operations powered from shore, the project also maintains a lower emissions profile than traditional offshore developments. Equinor plans to replicate this efficient, subsea-focused model across the Norwegian continental shelf, aiming to launch six to eight similar projects annually through 2035 to keep output at 1.3 million barrels of oil equivalent per day.