According to a recent, comprehensive study of the scientific literature (1), the average energy return on energy invested (EROEI) of the most common photovoltaic technology (polycrystalline Si) is 11-12. A far cry from the legend of the “EROI smaller than one” that’s making the rounds in the Web.
We’ve reached a tipping point where fossil fuels will enter terminal decline, independently of climate policy action. Given climate policy action is also now accelerating, fossil fuels are double dead. To paraphrase Douglas Adams, “So long and thanks for all the energy”.