Golar's Fourth FLNG Gets Heat Recovery Modules Cutting Fuel 20-25%

Two heat recovery steam generation modules, each weighing about 1,000 tonnes, will cut fuel consumption on Golar LNG's fourth floating LNG unit by 20-25% against conventional gas turbine-only setups. Techouse announced the award from Black & Veatch on November 10. The contract covers the two HRSG modules plus supporting systems.

Black & Veatch holds the topside scope for the FLNG project. Techouse enters as a subcontractor. The numbers matter for an offshore hull: a fifth of fuel saved is a fifth less gas burned to make gas.

How does the system work?

The technology is straightforward waste-heat capture. The HRSG units recover heat from the exhaust of gas turbines that drive compressors for LNG production. That heat raises pressurised, superheated steam. The steam then spins turbines to generate electricity and supplies process heat to the liquefaction train.

In plain terms, the exhaust stack becomes a second power plant. Nothing new is burned.

Where will the units be built?

The supply chain spans three continents, none of it accidental. Engineering and procurement run from Techouse's offices in Norway. Partner Alpha ECC manufactures the HRSG units in Vung Tau City, Vietnam. The equipment then ships to Himile Heavy Industries in China for assembly into complete modules.

Work starts immediately. Delivery of the modules is planned by the end of 2028. Techouse will also provide installation and commissioning support.

Svein Helge Pettersen, CEO of Techouse, said: "This is a large and strategically important contract for Techouse, for an energy recovery technology that we have delivered multiple times to similar offshore projects. We look forward to supporting Black & Veatch and Golar LNG in making this project a success."

Is this a first for the partners?

Not for the technology, but for the scope. Techouse previously supplied HRSG technology for FLNG Gimi, moored offshore Senegal-Mauritania, and FLNG Esperanza. The latest award marks its first contract delivering complete HRSG modules to the Black & Veatch and Golar LNG pairing.

So the relationship upgrades from component supplier to module contractor. That distinction carries weight in shipyard scheduling.

What is the host vessel?

The project has a defined hull. On October 7, 2026, Golar LNG announced an agreement to acquire the LNG carrier Grace Dahlia from NYK Line. The vessel is intended for conversion into Golar's fourth FLNG unit, continuing the carrier-to-FLNG pattern the company has applied across its fleet.

The conversion targets final redelivery in 2029. On that timeline, the 2028 module delivery leaves roughly a year for installation, hook-up and commissioning before the unit sails to work. Tight, but conventional for conversions of this class.

The watch item: module delivery at Himile by end-2028, and whether the Grace Dahlia conversion holds its 2029 redelivery date.