The subject matter of this book is inspired by the fact that today’s power systems are experiencing an increasing penetration of renewable energy sources that are nondispatchable—their output cannot or can only partly be modulated upon request—and stochastic—their production cannot be perfectly predicted in advance. Against this background, the operational practices that, for many decades, have governed the functioning of power systems are now to be challenged and revisited to accommodate the uncertain and variable nature of these energy sources. This first chapter motivates the operational problems dealt with in this book by providing a brief overview of the main challenges originated from the growing integration of stochastic and intermittent generation in current electric energy systems.
KeywordsPower System Renewable Energy Electricity Market Demand Response Electricity Sector
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