GNA I power station

From Global Energy Monitor

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Part of the Global Gas Plant Tracker, a Global Energy Monitor and Center for Media and Democracy project.

GNA I power station (Usina Termelétrica GNA I, also known as Novo Tempo GNA I and Cajueiros) is an operating 1338-megawatt (MW) gas-fired power station in the state of Rio de Janeiro, Brazil.


The map below shows the exact location of the power station in São João da Barra, the state of Rio de Janeiro, Brazil.

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Project Details

  • Sponsor: Gás Natural Açu Ltda., SPIC Brasil[1][2]
  • Parent company: Prumo Logistica S.A. ; BP plc ; Siemens AG, SPIC[2][3]
  • Location: São João da Barra, Rio de Janeiro, Brazil
  • Coordinates: -21.8448, -41.0166 (exact)[1][4]
  • Gross generating capacity (operating)[5]: 1338 MW


The GNA I power station began commercial operations in September 2021[8], becoming Brazil's second-largest natural gas-fired power plant.[5] According to Gás Natural Açu's website, the power station is made up of three gas turbines and one vapor turbine which together generate 1.3 GW in a combined cycle.[6] The energy is connected to the SIN via a 345 kV transmission line 52 km long which connects to the Campos dos Goytacazes substation.[6]

Articles and Resources


  1. 1.0 1.1 1.2 1.3 "Sistema de Informações de Geração da ANEEL - SIGA". Agência Nacional de Energia Elétrica (ANEEL, Brazilian Electricity Regulatory Agency). Archived from the original on April 9, 2020. Retrieved May 7, 2021.
  2. 2.0 2.1 "China's SPIC buys into Brazilian LNG power project". Offshore Energy. August 12, 2020.
  3. "Gás Natural Açu". Prumo Logistica. Archived from the original on May 3, 2021. Retrieved May 4, 2021.
  4. Google Maps
  5. 5.0 5.1 "Segunda maior termelétrica do Brasil entra em operação comercial no RJ". CanalEnergia. September 15, 2021.
  6. 6.0 6.1 6.2 6.3 6.4 "UTE GNA I". Gna. Archived from the original on May 3, 2021. Retrieved May 4, 2021.
  7. "Terminais de GNL no Brasil, CICLO 2019-2020" (PDF). Empresa de Pesquisa Energética. October 31, 2020. Archived (PDF) from the original on May 3, 2021. Retrieved May 4, 2021.
  8. "Brazil's $1 bln LNG-fueled GNA I power project gets commercial operation green light". Nasdaq. September 17, 2021.