Renewable energy support: Pre-announced policies and efficiency

Nandeeta Neerunjun () and Hubert Stahn
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Nandeeta Neerunjun: GAEL - Laboratoire d'Economie Appliquée de Grenoble - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement - UGA - Université Grenoble Alpes - Grenoble INP - Institut polytechnique de Grenoble - Grenoble Institute of Technology - UGA - Université Grenoble Alpes
Hubert Stahn: AMSE - Aix-Marseille Sciences Economiques - EHESS - École des hautes études en sciences sociales - AMU - Aix Marseille Université - ECM - École Centrale de Marseille - CNRS - Centre National de la Recherche Scientifique

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Abstract: This paper is essentially based on the assumption that policies supporting investment in intermittent renewable technologies cannot be contingent on meteorological events causing this intermittence. This decision was taken by most policymakers to avoid overly complex policy prescriptions. But in doing so, the first-best energy mix may be out of reach. We compare, in a unified second-best setting, the feed-in tariff, renewable premiums and tradable green certificates policy. We consider a "two-period, S-state" model. The S states reflect intermittency. Production decisions for renewable electricity are taken prior to the resolution of the uncertainty while the fossil-fuel sector adjusts its decision in each state. Retailers buy electricity on a state-dependent wholesale market which they deliver to consumers according to a fixed-tariff or a real-time-pricing contract. All these elements matter in the efficiency assessment of these policies.

Keywords: Tradable green certificates; Renewable premiums; Feed-in tariff; Renewables; Intermittency (search for similar items in EconPapers)
Date: 2025-10
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Published in Energy Economics, 2025, 150, pp.108801. ⟨10.1016/j.eneco.2025.108801⟩

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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-05224209

DOI: 10.1016/j.eneco.2025.108801

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