Category Archives: Energy

the posts in this category used to be in “Energy in A Nutshell” at my former web site.

Coal power plants depend on railroads to deliver coal

[ The extract of a Senate hearing below is mostly spent on testimony by utilities bashing the railroads for not delivering enough coal due to a disaster in the Powder River Basin, Wyoming area, where coal dust infiltrated the stone … Continue reading

Posted in Blackouts, Coal, Interdependencies, Railroads, Transportation | Tagged , , , , , , | Leave a comment

Tilting at Windmills, Spain’s disastrous attempt to replace fossil fuels with Solar PV, Part 2

[ In Charles Hall’s latest 2017 book, “Energy Return on Investment: A Unifying Principle for Biology, Economics, and Sustainability“, he says that he has embarked on a project to discover why solar advocate EROI results are so much higher than … Continue reading

Posted in Charles A. S. Hall, EROEI Energy Returned on Energy Invested, Pedro Prieto, Photovoltaic Solar | Tagged , , , | Leave a comment

Peak coal 2013-2045 — most likely 2025-2030

Dennis Coyne. March 11, 2016. Coal Shock Model. Coal is an important energy resource, but we do not know how the size of the economically recoverable resource that will eventually be recovered. The mainstream view is that there are extensive coal … Continue reading

Posted in Coal, Peak Coal | Tagged | Comments Off on Peak coal 2013-2045 — most likely 2025-2030

Why Nuclear Power is not an alternative to fossil fuels

[ Economic reasons are the main hurdle to new nuclear plants now, with capital costs so high it’s almost impossible to get a loan, especially when natural gas is so much cheaper and less risky. But there are other reasons … Continue reading

Posted in Alternative Energy, Energy, Nuclear Power | 14 Comments

Civilization goes over the net energy cliff in 2022 — just 6 years away

[ Below are excerpts from 3 posts by Louis Arnoux (see the full versions here) and a 1-hour video explaining the Hill’s group report here.  Since then I’ve been researching the Hills Group report and didn’t know enough math to … Continue reading

Posted in Cascading Failure, EROEI remaining oil too low, How Much Left, Interdependencies, Limits To Growth, Net Energy Cliff, Predictions, Scientists | Tagged , , , , , , | 20 Comments

EROI of Canadian Natural Gas. A peak was reached despite enormous investment

[ Although I’ve extracted much of this paper, it is not complete—there are missing equations, figures, tables, and text– so see the paper for details (it is available online).  I’ve rearranged the order of the paper.  The conclusion is just … Continue reading

Posted in EROEI Energy Returned on Energy Invested, Natural Gas, Peak Natural Gas | Tagged , | 4 Comments

Book review of “Too Hot to Touch: The Problem of High-Level Nuclear Waste”

A book review by Alice Friedemann of “Too Hot to Touch: The Problem of High-Level Nuclear Waste” by William M. Alley & Rosemarie Alley. 2013. Cambridge University Press. [ It is outrageous that on top of climate change and using … Continue reading

Posted in Energy, Nuclear, Nuclear, Nuclear Power, Nuclear Waste | Tagged , | 6 Comments

Nuclear reactor problems in the news

[ Although safety and disposal of nuclear waste ought to be the main reasons why no more plants should be built, what will really stop them is because it takes years to get permits and $8.5–$20 billion in capital must … Continue reading

Posted in Energy, Nuclear Power, Nuclear Power | 2 Comments

Electric Cars and Biofuels switch dependence from foreign oil to domestic water and weather risks

  Figure 1. Energy/Water Nexus Amy Hardberger, Matthew E. Mantell, Michael Webber, Carey W. King, Karl Fennessey [ This Senate hearing covers a lot of ground. I found the most interesting testimony to be the intersection of water and energy, … Continue reading

Posted in Drought, Energy Production, Hydropower, Transportation, Water | Tagged , , , | 1 Comment

How Much Oil is Left?

The Power of Exponential Growth: Every 10 years we have burned more oil than all previous decades [ There is a lot of oil left. The problem is, most of the remaining oil is unconventional, which needs a lot more … Continue reading

Posted in How Much Left, Oil, Peak Oil | Tagged , , , , , , , , | 1 Comment