Accelerated development of energy from renewable energy sources (RES) occurs all over the world. And the problems of harmonizing traditional and renewable energy with its inherent uneven and cyclical generation are inherent in all countries without exception. However, some countries still have an almost imperceptible share of RES in their energy balance (as, for example, Ukraine), while others (Denmark, Germany, Portugal...) have already achieved 20-40% of the use of variable generation from RES in their national energy system. The expansion of the share of renewable energy sources in generation will continue until the complete or almost complete replacement of the current traditional sources and a profound change in the entire energy structure. What needs to be done to ensure transition to the "100% renewable energy" model?
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