Açu power station

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Açu power station (Usina a carvão Porto do Açu) is a cancelled power station in Porto do Acu, Rio de Janeiro, Brazil. It is also known as Porto do Açu.


Table 1: Project-level location details

Plant name Location Coordinates (WGS 84)
Açu power station Porto do Acu, Rio de Janeiro, Brazil -22.9083, -43.1964 (approximate)

The map below shows the approximate location of the power station.

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Project Details

Table 2: Unit-level details

Unit name Status Fuel(s) Capacity (MW) Technology Start year Retired year
Unit 1 cancelled - 700 MW - - -
Unit 2 cancelled - 700 MW - - -
Unit 3 cancelled - 700 MW - - -

Table 3: Unit-level ownership and operator details

Unit name Owner Parent
Unit 1 Eneva SA Eneva SA
Unit 2 Eneva SA Eneva SA
Unit 3 Eneva SA Eneva SA


Brazil's MPX Energia SA (now Eneva) received initial approval for the plant in 2008. However, the plant was passed over in favor of lower-cost competitors at Brazil's August 2013 EPE energy auction, and in October 2013 the Brazilian environmental authority INEA revoked a request to renew the plant's license, partly due to delays in development of port and "mineroduct" facilities that were crucial for the plant's success, and partly due to tougher state and federal laws regulating greenhouse gas emissions.[1][2]

In March 2014 Valor Económico reported that Eneva remained interested in pursuing a coal- and natural gas-fired power project at the Açu port, but in September 2014 port operator Prumo Logística (formerly LLX) revoked its contract with Eneva, citing Eneva's failure to honor contractual conditions.[3] In April 2015, Prumo Logística entered into a new agreement with the Bolognesi group for construction of a natural gas-fired plant at the Açu Super Port. Eneva sought judicial intervention, and in July 2015 the Second Circuit Court of São João da Barra issued an injunction calling for INEA to reconsider its revocation of Eneva's license to operate at the port.[4]

The Açu coal plant project was ultimately abandoned, but Prumo Logística has since teamed up with BP and Siemens to develop the gas-fired GNA I and GNA II power stations in the same location.[5]

Articles and Resources


  1. "Inea suspende licença para UTE a carvão da MPX no Açu,", Blog do Roberto Moraes, October 2013.
  2. "LLX tem mais uma perda no Porto do Açu,", Portos e Navios, October 18, 2013.
  3. "GE rescinde contrato com Prumo sobre unidade no porto do Açu,", Valor Económico, September 12, 2014.
  4. "Eneva obtém decisão em briga com Prumo,", Valor Económico, July 21, 2015.
  5. "UTE GNA I". GNA. Retrieved 2021-05-14.{{cite web}}: CS1 maint: url-status (link)

Additional data

To access additional data, including an interactive map of coal-fired power stations, a downloadable dataset, and summary data, please visit the Global Coal Plant Tracker on the Global Energy Monitor website.