Tag Archives: lifespan

Lifespan of infrastructure, transportation, and buildings

Posted on February 27, 2021 by

Preface. What follows is from the International Energy Agency 2020 report “Energy technology perspectives” on how to transition to net zero emissions by 2050. This might require the replacement of just about everything, since power plants, steel blast furnaces, cement … Continue reading →

Posted in Airplanes, Automobiles, Concrete, Dams, Electricity Infrastructure, Energy Infrastructure, Limits To Growth, Manufacturing & Industrial Heat, Oil & Gas, Transportation Infrastructure, Trucks | Tagged , , , , , , | 5 Comments

Pedro Prieto: many solar panels won’t last 25-30 years, EROI may be negative

Posted on March 4, 2019 by

Preface. Pedro Prieto and Charles Hall wrote the definitive book on the EROI of solar power, “Spain’s Photovoltaic Revolution. The Energy Return on Investment” and has built many commercial facilities himself and witnessed the failure of solar panels long before … Continue reading →

Posted in Pedro Prieto, Photovoltaic Solar | Tagged , , , | 7 Comments