Although the renewable energy sector has been unscathed so far by the downturn in Brazil’s political and economic situations since the end of 2014, it could yet be swallowed by the gloom affecting much of the country if it doesn't set its sights on the long term.

Following the sovereign downgrade, S&P went on to rate as riskier more than 20 large Brazilian corporations, including federal power holding group Eletrobras and other companies in the energy sector, including local units of Iberdrola and GDF Suez – all consistent investors in renewables in the country.

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