February 8, 2012. Industrias Metalurgicas Pescarmona SA (Impsa), an Argentinean wind-turbine maker, plans to build a 200 million-real wind-turbine plant in the Brazilian state of Rio Grande do Sul. The plant will have capacity to produce 140 machines a year and will start operating in 2013. Impsa also plans to build a 50 million-real electronics factory for wind farms.