Category Archives: Energy

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

Decommissioning a nuclear reactor

Preface. Below are excerpts of articles about the costs and challenges of dismantling nuclear power plants.  This is at the top of my “Energy Descent To Do List” given the consequences for future generations for up to a million years, … Continue reading

Posted in Nuclear Waste | Tagged , | Comments Off on Decommissioning a nuclear reactor

We evolved to exercise and need high levels of physical activity to be healthy

Preface. This is a summary of Herman Pontzer’s 2019 “Humans evolved to exercise. Unlike our ape cousins, humans require high levels of physical activity to be healthy” in Scientific American. As fossils decline, it’s almost guaranteed you’ll use more muscle … Continue reading

Posted in Health What to do, Muscle Power | Tagged | 2 Comments

Nafeez Ahmed: Venezuela’s collapse is a window into how the Oil Age will unravel

Preface. Ahmed is one of the best writers on the energy crisis and other biophysical calamities. He’s written about why many states are failing now in part due to peak oil, but also drought and other biophysical factors in his … Continue reading

Posted in Peak Oil, Tar Sands (Oil Sands), Venezuela | Tagged , , | 2 Comments

Climate change effects on hydropower in California

Preface. Climate change will impact California agriculture without the snow melt that allows for up to three crops to be grown a year, perhaps just one crop in the future. Not to mention the impact on the 40 million people … Continue reading

Posted in Energy Climate Change, Hydropower | Tagged , , | 2 Comments

Hydropower can’t help with the energy crisis

Preface. When fossil fuels are gone, there aren’t many ways to balance the unreliable, intermittent, and often absent for weeks at a time power from wind and solar.  Biofuels and burning biomass is one solution, it’s dispatchable and can kick … Continue reading

Posted in Alternative Energy, Energy, Hydropower | Tagged , , | 1 Comment

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

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

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”

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

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?

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