Power price stability and the insurance value of renewable technologies

Daniel Navia Simon () and Laura Diaz Anadon
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Daniel Navia Simon: University of Cambridge
Laura Diaz Anadon: University of Cambridge

Nature Energy, 2025, vol. 10, issue 3, 329-341

Abstract: Abstract To understand if renewables stabilize or destabilize electricity prices, we simulate European power markets as projected by the National Energy and Climate Plans for 2030 but replicating the historical variability in electricity demand, the prices of fossil fuels and weather. We propose a β-sensitivity metric, defined as the projected increase in the average annual price of electricity when the price of natural gas increases by 1 euro. We show that annual power prices spikes would be more moderate because the β-sensitivity would fall from 1.4 euros to 1 euro. Deployment of solar photovoltaic and wind technologies exceeding 30% of the 2030 target would lower it further, below 0.5 euros. Our framework shows that this stabilization of prices would produce social welfare gains, that is, we find an insurance value of renewables. Because market mechanisms do not internalize this value, we argue that it should be explicitly considered in energy policy decisions.

Date: 2025
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DOI: 10.1038/s41560-025-01704-0

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