A University of Surrey study identifies solar energy as the cheapest power source, outperforming other renewables and fossil fuels. Despite its cost-effectiveness, challenges remain in integrating solar power into electricity networks. Innovations like perovskite solar cells could enhance efficiency, but long-term policy support is essential. Solar energy's growth in Europe is notable, with significant contributions to the energy mix, particularly in the wake of geopolitical tensions affecting oil and gas. Teljes cikk (Euronews.com)