I recently read an article about the future of large-scale renewable energy projects. However, some of the data seems quite ambitious. A critical question: Is there enough wind and solar potential to meet 80% of global energy demand? Add to that concerns about costs and infrastructure... How far do you think we can really get with this goal?
How realistic are sustainable energy projects?
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In 2018, Brazil sourced 26.4% of its electricity from renewable sources—a model worth remembering. The country’s mixed energy system initially relied on traditional renewables like hydroelectric power and biomass, later expanding to wind farms over the past decade. Today, wind contributes nearly 10% to the grid, with costs 40% cheaper than fossil fuels. While it may seem behind the global 80% target, Brazil’s success in cutting fossil fuel dependence to just 13.9%—coupled with falling technology and storage costs—shows this scenario is realistic.