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by ZeroGravitas
893 days ago
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> The other is a lot of the renewables: the massive leap backwards they offer. EROI is bullshit. But regardless, renewables score higher on this score than fossil fuels. https://radar.brookes.ac.uk/radar/file/5ecefeb6-51e5-4aa3-a0... > The lack of methodological consistency, however, among these papers has led to a
situation where inappropriate comparisons are being made across technologies. In this paper we
provide both a literature review and harmonization of EROI values to provide accurate comparisons
of EROIs across both thermal fuels and electricity producing technologies. Most importantly, the
authors advocate for the use of point-of-use EROIs rather than point-of-extraction EROIs as the
energy “cost” of the processes to get most thermal fuels from extraction to point of use drastically
lowers their EROI. The main results indicate that PV, wind and hydropower have EROIs at or above
ten while the EROIs for thermal fuels vary significantly, with that for petroleum oil notably below ten. |
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