These range from accurately predicting actual power production, to regulatory, tax and financing issues.

Porto manages a portfolio of 307MW of wind farms in different stages of development in Brazil’s Northeast. She says one of the principal risks that developers and investors should understand is long-term wind assessments.

“If you invest in wind resource measurement, you can be confident that, throughout the 20-year contract period, you will have the energy that you predicted and therefore achieve the capacity factor that you declared,” she says.

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