Including System Integration of Variable Renewable Energies in a Constant Elasticity of Substitution Framework: the Case of the WITCH Model

Samuel Carrara and Giacomo Marangoni
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Samuel Carrara: Fondazione Eni Enrico Mattei (FEEM) and Centro Euro-Mediterraneo sui Cambiamenti Climatici (CMCC)
Giacomo Marangoni: Fondazione Eni Enrico Mattei (FEEM), Centro Euro-Mediterraneo sui Cambiamenti Climatici (CMCC) and Politecnico di Milano

No 2015.109, Working Papers from Fondazione Eni Enrico Mattei

Abstract: The penetration of Variable Renewable Energies (VREs) in the electricity mix poses serious challenges in terms of management of the electrical grids, as the associated variability and non-dispatchability are in contrast with the requirement that the load be instantaneously equalized by the generation. One of the goals of Integrated Assessment Models (IAMs) is to simulate the evolution of electricity demand and generation mix over time, therefore a proper modeling of VRE system integration is crucial. In this paper we discuss how different modeling mechanisms can profoundly impact the evolution of the electricity mix, and specifically renewable penetration. In particular, we focus on the effects of introducing a set of explicit system integration constraints in a model, WITCH, characterized by a Constant Elasticity of Substitution (CES) framework.

Keywords: Variable Renewable Energies; System Integration; Electrical Grid; Constant Elasticity of Substitution; Integrated Assessment Models (search for similar items in EconPapers)
JEL-codes: Q4 Q41 Q42 (search for similar items in EconPapers)
Date: 2015-10
New Economics Papers: this item is included in nep-ene
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Citations: View citations in EconPapers (4)

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