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wartsila to Convert Brazilian Power Plant to run on gas

Power News - Published on Mon, 20 Jan 2020

Image Source: Wärtsilä RAESA
The technology group Wärtsilä will convert a Brazilian power plant to 100 percent natural gas operation, while at the same time increasing output from 85 MW to 92 MW. This will reduce the plant’s operational costs, and lessen its environmental impact. The contract with Rio Amazonas Energia RAESA is for the Cristiano Rocha power plant in Manaus, Brazil, and was signed in November 2019. In addition to the conversion, the two companies have signed a long-term service agreement with power plant performance guarantees.

The conversion will involve converting the existing five Wärtsilä 46GD dual-fuel combustion engines to five Wärtsilä 50SG gas fueled engines and the additionally required common system upgrades. The improved plant performance will raise its overall competitiveness, especially with regard to future energy auctions, and enhance RAESA’s possibilities for extending its existing Power Purchase Agreement (PPA) which is set to expire in 2025. Under the PPA, the company is contracted to supply energy to the national grid.

The plant currently rents additional generators to ensure adequate output, and this cost will be eliminated when the conversion is completed. Furthermore, the use of natural gas fuel will reduce the plant’s environmental footprint by approximately 10 percent, representing some 35,000 Metric Tons of Carbon Dioxide Equivalent (MTCDE)/year, which equals the pollution from some 7600 cars.

The conversion is scheduled to be fully completed in the first half of 2021. Wärtsilä has earlier successfully completed a number of gas conversion projects involving more than 100 Wärtsilä gas engines and totaling more than 1.2 GW.

Source :

Posted By : Arun Huidrom on Mon, 20 Jan 2020
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