Siemens Spearheading 1.3 GW LNG-To-Power Project

By Jack Burke03 April 2019

Siemens has secured an order for the turnkey construction of a new 1.3 GW combined cycle power plant for the integrated liquefied natural gas (LNG)-to-power project GNA 1 of Gás Natural Açu in the Port of Açu in the state of Rio de Janeiro, Brazil.

GNA1 is the first fully integrated LNG-to-power project of this scope for Siemens, including the construction of a 1.3 GW power plant as well as an LNG import and regasification terminal, a substation and a transmission line to connect the plant to the grid. Siemens developed the project together with its partners BP and Prumo and is building the combined power plant turnkey in consortium with the Brazilian construction company Andrade Gutierrez. For the project, Siemens is responsible for the delivery of the complete power island with three H-class gas turbines, one steam turbine, four generators and heat recovery steam generators and instrumentation and control systems. The company will also provide long-term service and operation and maintenance (O&M) for the power plant. The service scope includes advanced remote monitoring and diagnostics, part of the Siemens Digital Services portfolio.

The order is the first application for the Siemens H-class gas turbine in Brazil. Total project volume for GNA 1 is approximately €1 billion.

“Our participation in GNA demonstrates Siemens commitment to new commercial strategies that address the evolving challenges of an increasingly demanding energy market,” said Lisa Davis, CEO Siemens Gas and Power and member of the Siemens AG Managing Board. “By integrating our offer along the energy value chain, the GNA 1 project clearly validates our comprehensive LNG-to-Power approach, which increases value to our partners and better meets the needs of the societies in which we operate. We look forward to continuing our innovative market approach with our global partners and supporting guaranteed electricity tariffs for our customers. I’m confident we will see more of this type of business model in the future.”

Siemens is providing an equity investment and owns one-third of the project company Gás Natural Açu (GNA) together with Brazil logistics company Prumo Logística S.A. and BP. In addition, Siemens signed a long-term service agreement and will operate and maintain the plant to help ensure reliability, availability and operational performance.

Slated for operation at the beginning of 2021, GNA 1 will be capable of supplying power for a city with up to four million inhabitants.

The GNA 1 Liquefied Natural Gas (LNG)-fired combined cycle power plant is the first phase of the Açu Gas Hub, a project under development in the Port of Açu Complex to provide a logistics solution for the reception, processing, consumption and transportation of natural gas from Campos and Santos Basins, as well as import and storage of LNG. In December 2017 the project’s subsidiary, GNA 2, was selected as the winner in a Brazilian Electricity Auction and in summer 2018 Brazil’s Ministry of Mines and Energy authorized implementation of a second thermal power plant in the port of Açu. With a total capacity of 3 GW, Açu will become the largest thermal power complex in Latin America. A second phase will comprise additional thermal power projects under the environmental license for 6.4 GW owned by GNA.

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