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

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  • Carrara, Samuel
  • Marangoni, Giacomo

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.

Suggested Citation

  • Carrara, Samuel & Marangoni, Giacomo, 2015. "Including System Integration of Variable Renewable Energies in a Constant Elasticity of Substitution Framework: the Case of the WITCH Model," Climate Change and Sustainable Development 230921, Fondazione Eni Enrico Mattei (FEEM).
    • Handle: RePEc:ags:feemcl:230921
    DOI: 10.22004/ag.econ.230921
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    Cited by:

    1. Verdolini, Elena & Vona, Francesco & Popp, David, 2018. "Bridging the gap: Do fast-reacting fossil technologies facilitate renewable energy diffusion?," Energy Policy, Elsevier, vol. 116(C), pages 242-256.
    2. Elena Verdolini & Valentina Bosetti, 2017. "Environmental Policy and the International Diffusion of Cleaner Energy Technologies," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 66(3), pages 497-536, March.

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