Grande Isle LNG proposes 4.2-mtpy offshore liquefaction plant

June 6, 2023
Grande Isle LNG has proposed a 4.2-million tonne/year (tpy) offshore liquefaction plant in federal waters on West Delta blocks 13 miles offshore Plaquemines Parish, La.

Grande Isle LNG has proposed a 4.2-million tonne/year (tpy) offshore liquefaction plant in federal waters on West Delta blocks 13 miles offshore Plaquemines Parish, La. The company expects to start Phase 1 deliveries in 2026.

The proposed port will use a platform-based modular design in 68-72 ft water depths and have natural gas pipeline access to its nearshore location. The plant will be built in two phases and consist of a crew quarters platform, two gas treatment platforms, two 2.1-million tpy liquefaction platforms, two loading platforms, one thermal oxidizer platform, and two 155,000-cu m storage and offloading vessels.

Pipeline tie-ins will be with a 20-in. OD High Point Gas Transmission LLC line and 24- and 20-in. Kinetica Partners LLC lines.

Licensing for the deepwater port will be overseen by the US Maritime Administration, with required reviews conducted by appropriate federal and state agencies.

All platforms and many of the other components will be made in Louisiana, according to the company.

New Fortress Energy Inc. last year applied for a deepwater port license to build the 2.8-million tpy Louisiana FLNG plant off Grand Isle (OGJ Online, Apr. 28, 2022).