BRAZIL —Gás Natural Açu (GNA) has commissioned Siemens Energy to construct the combined cycle power plant UTE GNA II at Port of Açu, Rio de Janeiro State.
Gás Natural Açu is a joint venture between Prumo Logística, bp, Siemens, and SPIC Brasil, dedicated to the structuring and sustainable development, implementation, and operation of energy and gas projects. The company has contracted Siemens Energy for the construction of the combined cycle power plant UTE GNA II in the integrated LNG-to-Power project GNA II.
Following the commissioning of GNA I in summer 2021, GNA II will be the second combined cycle power plant that Siemens Energy will build in the thermoelectric hub. With a combined capacity of 3 GW, the two power plants should be able to provide enough electricity to power around 14 million households. The second order comes with the first application of the highly efficient HL class gas turbine in Brazil. The combined cycle plants powered by liquefied natural gas (LNG) will be the most efficient thermal power plants in Latin America. Total project amount is approximately €1 billion ($1.12 million.)
The manufacturer will supply HL class gas turbines, one steam turbine, four electric generators and three heat recovery steam generators (HRSG), in addition to instrumentation and control systems, as well as cover long-term operation and maintenance (O&M) of the plant, including advanced remote monitoring and diagnostics by the Remote Operation Center, located in Jundiaí, São Paulo. The power plant is being built together with the consortium partner Andrade Gutierrez who will provide the civil works, the infrastructure and the erection works.
The Açu Natural Gas project includes the construction of two thermal power plants, as well as an LNG regasification terminal, based on an FSRU (Floating Storage Regasification Unit), plus substations and transmission lines to connect the plants to the National Interconnected System. The thermoelectric complex is part of the Açu Gás Hub, a project under development at the Açu Port Complex aimed to provide a logistical solution for the receipt, processing, conversion to electricity and transport of natural gas in the Campos and Santos basins, as well as for importing and storing LNG. A second phase will comprise additional thermal power projects under the environmental license for 6.4 GW owned by GNA.
The construction of the GNA I plant started in January 2018 and this plant began its commercial operation in September 2021. The two power plants will supply energy to regions such as Espírito Santo, Minas Gerais and Rio de Janeiro within the National Interconnected System.
Source: Siemens Energy