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- Catton on Collapse “Bottleneck: Humanity’s Impending Impasse”
Tag Archives: photovoltaic
Negative energy return of solar PV in Northern Europe
Preface. I once yanked this paper after huge blow back, almost as bad as nuclear proponents, but in the past few years, I have no reason to doubt Ferroni and Hopkirks methods, boundaries, or conclusions, so I’m putting this post … Continue reading
Posted in Photovoltaic Solar, Solar EROI
Tagged energy return, EROEI, photovoltaic, solar
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Not enough rare metals to scale up solar power
Preface. Sunshine may be free, but the materials to make solar contraptions sure aren’t. Since sunshine arrives in a diluted form, vast expanses of solar photovoltaic panels will be needed to produce the world’s 24,000 Terawatt hours of electrical … Continue reading
Posted in Photovoltaic Solar
Tagged gallium, indium, photovoltaic, PV, rare earth, Ruthenium, solar, tellurium
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