Termelétrica Viana + Wärtsilä

Reference case

A total power plant solution, including turnkey delivery, full operation and maintenance

In 2008 Termelétrica Viana SA ordered a turnkey power plant comprising twenty Wärtsilä 20V32 engines of 175 MW of installed electrical capacity. The Viana project is controlled by a Brazilian Private Equity Fund managed by BTG Pactual, who also owns another power plant in Brazil with five Wärtsilä 18V46 generating sets.

The Viana power plant burns high viscosity heavy fuel oil and is connected to the main national grid. Construction started in October 2008 and the plant was commissioned at the end of 2009. The Viana installation is operated in a hot stand-by mode with short notice switchover capability to baseload operation.

Contributory factors in Wärtsilä winning the power plant contract were the high total efficiency provided by Wärtsilä’s engines, and Wärtsilä’s ability to provide a total power solution including turnkey delivery and full operations and maintenance of the plants after delivery.

What175MW Brazilian private fund managed by BTG Pactua
WhereEspirito Santo, Brazil


This is what we achieved


MW total output in hot stand-by mode with short notice switchover capability to baseload operation.


Years of continuous development supporting the Wärtsilä 32 engine technology.


How we did it

Challenge icon


  • Increasing future power demand
  • Remote location with challenging infrastructure to support project development and construction
Solution icon


  • Wärtsilä 20V32 power plant operated in a hot stand-by mode
  • High reliability power density
  • Multi-fuel capability
Benefit icon


  • Low fuel consumption over a wide load range
  • Low overall lifecycle cost
  • Supported by Wärtsilä Lifecycle solutions

The main details

CustomerTermelétrica Viana S/A
TypeWärtsilä 20V32 flexible power plant
WhereEspirito Santo, Brazil
Total output175 MW
FuelHeavy fuel oil
Scope175 MW

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