
Between 2008 and 2015, a virtuous circle of improved technologies, such as higher hub heights and larger swept areas by blades, has increased capacity factors for a given wind resource. (Image source: Sufrane01/Pixabay)
The average costs for electricity generated by solar and wind technologies could decrease by between 26 and 59 per cent by 2025 globally, according to a report released today by the International Renewable Energy Agency (IRENA)