Category Archives: Energy

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

High-Tech can’t last: limited essential elements with limited lifespans

Posted on June 8, 2019 by

There are 17 rare earth elements in the periodic table. About nine of those elements go into every iPhone sold… and if China were suddenly to disappear from a map tomorrow, Apple would lose about 90% of those elements.  Source: … Continue reading →

Posted in Alternative Energy, Cascading Failure, Microchips and computers, Peak Critical Elements, Peak Rare Earth Elements, Supply Chains | Tagged , , , , , | 3 Comments

Black starting the grid after a power outage

Posted on June 5, 2019 by

Black starts Large blackouts can be quite devastating and it isn’t easy to restart the electric grid again. This is typically done by designated black start units of natural gas, coal, hydro, or nuclear power plants that can restart themselves … Continue reading →

Posted in Grid instability | Tagged , , , | 6 Comments

Book review of Jaczko’s “Confessions of a rogue nuclear regulator”

Posted on May 21, 2019 by

Preface. After presenting a lot of evidence for why nuclear power plants are inherently unsafe, Jaczko concludes: “There is only one logical answer: we must stop generating nuclear waste, and that means we must stop using nuclear power. You would … Continue reading →

Posted in Nuclear Books, Nuclear Power Collapse, Nuclear Power Energy, Nuclear spent fuel fire | Tagged | 3 Comments

Utility scale energy storage has a long way to go to make renewables possible

Posted on May 15, 2019 by

What follows comes from my book “When Trucks Stop Running: Energy and the Future of Transportation” , which is also where you’ll find the references backing up what I’ve written below. I often get letters from people about energy breakthroughs … Continue reading →

Posted in Alternative Energy, Batteries, Battery - Utility Scale, Critical Thinking, Electric Grid & Fast Collapse, Electricity Infrastructure, Renewable Integration | Tagged , , | 7 Comments

Replacing diesel tractors with horses or oxen – what will that be like?

Posted on April 27, 2019 by

Preface. Since fossil fuels are finite, at some point increasing numbers of farmers with diesel vehicles and equipment will want to replace them with horses, which can do the work of six people.  Below is what  energy expert Vaclav Smil … Continue reading →

Posted in Farming & Ranching, Life Before Oil, Muscle Power, Peak Food, Vaclav Smil | Tagged , , , | 1 Comment

Fish scraps could power some cruise ships by 2021

Posted on April 24, 2019 by

Preface.  Some black humor for those following energy descent. Alice Friedemann   www.energyskeptic.com  author of “When Trucks Stop Running: Energy and the Future of Transportation”, 2015, Springer and “Crunch! Whole Grain Artisan Chips and Crackers”. Podcasts:  KunstlerCast 253, KunstlerCast278, Peak Prosperity] … Continue reading →

Posted in Far Out | Tagged , , | 1 Comment

Hydropower dams and the ways they destroy the environment

Posted on April 15, 2019 by

Preface. Hydropower comprises 71% of renewable energy worldwide.  Nations like the U.S. and Europe have dams that have reached the end of their lifespan — more are being torn down than built. In the U.S. 546 dams were removed between … Continue reading →

Posted in CO2 and Methane, Dams, Hydropower | Tagged , , , , | Comments Off on Hydropower dams and the ways they destroy the environment

Why aren’t there battery powered airplanes or flying cars?

Posted on March 13, 2019 by

Preface.  Batteries are too heavy for airplanes to get off the ground. Though that hasn’t stopped people from trying: Norway’s new electric plane crashes during demo flight (Robitzski 2019) The two articles below explain why. Alice Friedemann   www.energyskeptic.com  author of … Continue reading →

Posted in Batteries, Energy | Tagged , , | 4 Comments

IEA 2018 World Energy Outlook: Peak oil is here, oil crunch by 2023

Posted on March 10, 2019 by

Preface. Excerpts from the cleantechnica article below make it clear why there is likely to be a supply crunch as soon as the early 2020s, and the investment implications. Here’s what I’ve gleaned from other summaries of the report. Although … Continue reading →

Posted in Investment, Oil & Gas Fracked, Peak Oil | Tagged , , , | 4 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