WIND ENERGY EXPANSION IN ELECTRICITY SYSTEM MODELS AND IN REALITY – KEY DRIVERS AND IMPLICATIONS FOR MODEL SIMPLIFICATIONS

摘要

The increasing share of renewable energy production in future energy systems poses multiple challenges to energy modelers. Among other things, complexity and model size lead to increasing computation times, especially for optimization models with endogenous capacity expansion. Reducing the computing time by aggregation requires a comprehensive understanding of factors that affect the resulting optimal expansion plan. As optimizing energy system models are frequently used to inform policy makers or even help shaping policies, it is equally important to get an improved understanding of the factors that drive differences between model results and reality.