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Séminaire PSL de recherches en économie de l'énergie

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51ème Séance du Séminaire de recherches PSL d'économie de l'énergie

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Les déterminants règlementaires des couplages sectoriels en énergie

Leonardo MEEUS (Florence School of Regulation & Vlerick Business School) & Martin ROACH (Vlerick Business School): The Welfare and Price Effects of Sector Coupling with Power-to-Gas

The participation of emerging Power-to-X solutions in a sector coupling paradigm, such as Power-to-Gas (PTG), has been envisioned to provide a source of demand flexibility to the power sector and decarbonize the gas sector. We advance a long-run equilibrium model to study the PTG investment decision from the point of view of a perfectly competitive electricity and gas system where each sector's market is cleared separately but coupled by PTG. Under scenarios combining PTG technology costs and electricity RES targets, we study whether or not there is a convergence in the optimal deployment of PTG capacity and what is the welfare distribution across both sectors. We observe that PTG can play an important price-setting role in the electricity market, but PTG revenues from arbitrage opportunities erodes as more PTG capacity is installed. We find that the electricity and gas sector have aligned incentives to cooperate around PTG, and instead find an issue of misaligned incentives related to the PTG actor.

Machiel MUDLER (University of Groningen) "Future Markets for Renewable Gases and Hydrogen, What would be the optimal regulatory provisions?" Rapport du Center on Regulation in Europe (CERRE) avec Jose Luis Moraga, professeur à Vrije Universiteit Amsterdam, et Peter Perey (CERRE).

This report explores the economic outlook for renewable gases and hydrogen and proposes a regulatory framework for them. The report first analyses the technologies for the production of these gases, their associated costs and their potential future supply for a selection of European countries. Then, the study puts forward an array of regulatory measures for the markets for these gases. The economic regulation of renewable gases and hydrogen is meant to improve their position in the market for gas, on the basis that their unfavourable position is due to market failures. This report develops an analytical framework to define the optimal set of regulations. Drawing from this framework, it suggests targets for renewable gas and hydrogen and proposes certificates schemes, access conditions for the grid and, finally, support schemes.

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