Oil tanker in the sea

Remote nickel smelter plant powered by LNG infrastructure

LNG to Power project for a nickel smelting operation

AFRY has been engaged to provide consulting services to a client who plans to develop an industrial complex that includes several facilities and infrastructure for a nickel smelter plant in a remote non-grid connected location. This operation requires a 300 MW power plant based on LNG-fired combined cycle gas turbine technology and a related LNG terminal.

The client engaged AFRY in 2021 as a consultant to develop the conceptual design for the LNG terminal and power plant. The design includes an LNG jetty, onshore LNG storage, and regasification supplying, through a gas pipeline, combined-cycle gas turbines with a capacity of approximately 300 MW to meet a load of approximately 220 MW. This conceptual design is intended to allow potential EPC contractors to prepare their EPC proposals for the LNG terminal and power plant.

The challenges of the LNG to power project

Our client requested technical and commercial design solutions for the LNG terminal and power plant to transform the project development practices to:

  • Maximize the asset performance as an LNG to Power integrated facility
  • Strengthen LNG unloading operation and regasification system
  • Assist with efficient gas turbine selection
  • Provide jetty berth availability to accommodate 25,000m³ to 155,000m³ LNG vessels

The primary objective of the conceptual design was to develop an LNG terminal storage type, regasification technology, and gas turbine performance evaluation to reduce the CAPEX and OPEX.

Datailed view of LNG tanker terminal piping

AFRY's approach to project execution

AFRY evaluated the LNG storage tank types, regasification technology, LNG cryogenic piping sizing, gas turbine types & capacities, and the interface between the LNG terminal and power plant to identify technical and commercial elements that could reduce CAPEX and OPEX.

The Client-centered approach was used to rank and prioritize the technical & commercial factors i.e. equipment sizing, marine constraints, cost, time, and ease of implementation. For the selected technical and commercial factors, AFRY developed a conceptual design detailed report, overall project execution schedule, and requirement to align with external stakeholders.

LNG consulting services delivered by AFRY

AFRY delivered the following conceptual design solutions to the client:

  • Analysis of terminal storage volumes versus vessel sizes
  • Optimizing the LNG vessels, the loading terminal, and the receiving terminal as a system
  • Gas turbine technology, model, and control & safety systems
  • Project investment cost estimation and operating costs
Rishi Agrawal - Principal Consultant, LNG Terminals
Rishi Agrawal
Principal Consultant, LNG Terminals

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