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Systemwide energy return on investment in a sustainable transition towards net zero power systems

Environmental Studies and Forestry

Systemwide energy return on investment in a sustainable transition towards net zero power systems

H. Sahin, A. A. Solomon, et al.

This study explores the net energy performance of nine global decarbonization scenarios projected to 2050, revealing critical insights on energy return on investment (EROI) trends influenced by transition paths. Conducted by Hasret Sahin, A. A. Solomon, Arman Aghahosseini, and Christian Breyer, the research highlights the impact of renewable energy shares and the vulnerabilities of fossil fuel-dominated systems.

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Abstract
This study examines the net energy performance of nine global decarbonization scenarios until 2050 using a systemwide energy return on investment (EROI) model. All scenarios maintain EROI above the net energy cliff (around 10), but trends heavily depend on transition paths. EROI declines as renewable energy shares increase, especially with significant enabling technologies. Shorter transition periods lead to sharper declines, stabilizing after 100% renewables. Fossil fuel-dominated systems are most vulnerable to resource depletion.
Publisher
Nature Communications
Published On
Jan 03, 2024
Authors
Hasret Sahin, A. A. Solomon, Arman Aghahosseini, Christian Breyer
Tags
decarbonization
net energy performance
energy return on investment
renewable energy
transition paths
resource depletion

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