Capacity remuneration mechanisms for decarbonized power systems

I. Sanchez Jimenez, K. Bruninx and L.J. de Vries

Applied Energy, 2025, vol. 391, issue C, No S0306261925006087

Abstract: Motivated by generation system adequacy concerns, many European countries have introduced capacity remuneration mechanisms (CRMs) to ensure sufficient investments in power generation. However, it is uncertain whether the existing CRMs will promote sufficient adequacy and flexibility in a decarbonized power system, where supply and demand will become more weather-dependent. We assess the effectiveness of a centralized capacity market, a strategic reserve, and a decentralized capacity market via capacity subscriptions in a climate-neutral, weather-driven power system. We develop a co-simulation of two agent-based models simulating myopia in both operational and investment decisions. We simulate weather uncertainty by running the model with 40 different weather years. Our results from a case study based on the Netherlands indicate that a strategic reserve may increase electricity price volatility in the long-term. A centralized capacity market is more cost-effective than a strategic reserve, but administratively setting its parameters is prone to over- or underprocurement. Capacity subscription allows consumers to select their desired level of reliability. Results indicate that these decentralized capacity markets may yield a clearer signal for the needed dispatchable capacity and promote demand-side response, but it may be challenging to provide long-term certainty for investors.

Keywords: Resource adequacy; Capacity remuneration mechanisms; Capacity subscription; Capacity market; Strategic reserve; Agent-based model; Demand side response (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1016/j.apenergy.2025.125878

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