Equinor ASA is phasing out gas-fired generation in one of its most prolific natural gas production hubs in favor of electricity as it looks to increase both the sustainability and the lifespan of its North Sea operations.

Norway’s Equinor disclosed that its offshore facilities at the Sleipner field and the adjacent Gudrun platform had been connected to onshore power at the end of March, completing the electrification of platforms and processing facilities across the Utsira High geological formation.

In the coming days, Equinor plans to idle one of its operative gas turbines at the Sleipner A platform, leaving a second one active for backup power. The company, currently the largest pipeline gas exporter to the European Union (EU), said the project falls in line with its plans...