Electrification Plans for Troll West Handed Over to Authorities
Troll WestEquinor

Electrification Plans for Troll West Handed Over to Authorities

Equinor and partners Petoro, Shell, Total and ConocoPhillips have decided in favour of Troll West electrification, and today submit the plan for development

https://www.equinor.com/content/dam/statoil/image/news/2021-april/20210423-twel-16-13.jpg.transform/large/image.jpgEquinor and partners Petoro, Shell, Total and ConocoPhillips have decided in favour of Troll West electrification, and today submit the plan for development and operation to the minister of petroleum and energy. The decision includes partial electrification of the Troll B platform and full electrification of Troll C in the North Sea. This will cut CO2 emissions by almost half a million tonnes per year, i.e. the equivalent of more than three percent of total emissions from oil and gas production and one percent of total emissions in Norway. NOx emissions from the field will be reduced by some 1700 tons per year.

Capital expenditures total about NOK 7.9 billion. The project has been pledged a total of NOK 520 million in financial support from the Norwegian NOx fund.

The subsea cable to the Troll B and C platforms will have a landfall at Kollsnes in Øygarden west of Bergen. A high-voltage subsea cable will run from Kollsnes to Troll B, and one from Troll B to Troll C.

Troll West electrification includes full electrification of Troll C, and partial electrification of Troll B. This means that both platforms’ current power demand will be met from shore. In addition, the two gas export compressors on Troll C currently driven by gas turbines will be replaced by electric motors. The infrastructure at Kollsnes and cable out to the platform will be designed for a possible future full electrification also of Troll B.

The Troll A platform, which came on stream in 1996, was the first electrified installation on the NCS.

The Troll field is operated from Equinor’s operations organisation at Sandsli in Bergen. Troll Unit partners: Equinor 30.6 % (operator), Petoro 56 %, Shell 8.1 %, Total 3.7 %, ConocoPhillips 1.6 %

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