Additionally, high spot-market prices made clean energy competitive at Brazil's auctions, said the report, which was compiled by the Inter-American Development Bank's Multi-Lateral Investment Fund, The UK's Department for International Development, Power Africa and Bloomberg New Energy Finance.

In the overall rankings of all 55 countries, Brazil came in second after China, which is the world's largest manufacturer of solar PV equipment, has the strongest market demand for wind and solar power, and boasts good clean-energy policy frameworks.

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