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- Oil choke points vulnerable to war, chaos, terrorism, accidents, & piracy
- Nuclear weapons must be reduced or we risk nuclear winter
- Fusion is already running out of fuel
- Peak Oil is Officially Here! World oil production peaked November of 2018
- Wood, the fuel of preindustrial societies, is half of EU renewable energy
- Rare Earth updates: recent research on why complex & intelligent life are rare in the Universe
- Book review of “Chip War” and the Fragility of microchips
- The tremendous material and energy toll of the digital economy
- Nuclear attack on U.S. could kill 90% of Americans
- What percent of Americans are rational?
- Book review of Lights Out. A Cyberattack. A Nation Unprepared. Surviving the Aftermath
- Off-Road vehicles & equipment need diesel fuel
- Book review of “Prime Movers of Globalization: the History & Impact of Diesel Engines & Gas Turbines”
- Mental Health. Coping with the future: notes from Jackson & Jensen’s “An Inconvenient Apocalypse”
- Tesla Semi trucks hauling corn chips
Category Archives: Solar
Renewable EROI must include storage, low capacity factor, wide boundaries
[ Trainer argues that when you consider how the capacity factor of wind and solar are to fossil plants, seasonality of wind and solar the number of facilities is quite large to deal with the intermittency problem. Therefore the storage … Continue reading
Richard Heinberg: Paul Krugman’s Errors and Omissions
Preface. This article by Richard Heinberg at Postcarbon refutes a column by Paul Krugmen called “Errors and Emissions Could Fighting Global Warming Be Cheap and Free?” here. Most of my friends and family think I’m nuts because articles like this … Continue reading
Posted in EROEI Energy Returned on Energy Invested, Richard Heinberg, Solar, Wind
Tagged climate change, end of growth, EROEI, paul krugman, richard heinberg, solar, wind
3 Comments
Want to go off-grid? You might need hundreds of Tesla batteries
Preface. Although you may not be as far north as Victoria, British Columbia (48.4 latitude), you’d ideally want to be at 30 degrees or less latitude from the equator to even consider the expense of off-grid solar power. And even … Continue reading
Why is nearly all solar power built where subsidies are the highest?
If solar net energy return is as high as some solar advocates claim, why does solar need any subsidies? And not just U.S. subsidies, it’s subsidies on top of subsidies when you add in that we’re buying Chinese government subsidized … Continue reading
Wind and solar need natural gas to balance intermittent, variable, and seasonal power
Preface. The highest wind states are getting more and more dependent on natural gas to balance wind and solar as they live and die. Yet conventional natural gas in the U.S. has peaked (half of our national gas, and declining … Continue reading
Posted in Natural Gas, Solar, Wind
Tagged energy storage, intermittent, natural gas, solar, wind
Comments Off on Wind and solar need natural gas to balance intermittent, variable, and seasonal power
California hits the solar wall
[ What is a solar wall? Read part 1: California could hit the solar wall and then excerpts from the following article in the financial times, Britain’s Wall street journal. I’ve also reworded some of it. Renewables are rendering existing … Continue reading
Tilting at Windmills, Spain’s disastrous attempt to replace fossil fuels with Solar PV, Part 2
[ Pedro Prieto presented an update on June 20, 2017 at the International Society for Biophysical Economics “Spain’s Solar Revolution Revisited: six years later” here: Pedro-Prieto_ISBPE_2017-Spains-solar-revolution-revisited.pdf. See the pdf for more information Losses in book overestimated and revised Before / … Continue reading
Posted in Charles A. S. Hall, EROEI Energy Returned on Energy Invested, Pedro Prieto, Photovoltaic Solar, Solar EROI
Tagged capacity credit, EROEI, EROI, solar PV
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California could hit the solar wall
[ According to a Stanford University article below this introduction (followed by excerpts from two California Energy Commission reports), if California uses mainly solar power to meet a 50% Renewable Portfolio Standard (RPS), on sunny days, for most of the … Continue reading
Posted in Photovoltaic Solar, Renewable Integration
Tagged alternative energy, renewable integration, solar, solar wall
4 Comments
Taxpayers are paying for a concentrated solar project — Ivanpah– that doesn’t work
Ivanpah in the news: Dvorsky, G. May 21, 2016. The World’s Largest Solar Plant Just Torched Itself. Gizmodo (Australia). Misaligned mirrors are being blamed for a fire that broke out yesterday at the world’s largest solar power plant, leaving the … Continue reading
Posted in Concentrated Solar Power, Corporate Welfare
Tagged concentrated solar power, CSP, ivanpah, solar thermal
Comments Off on Taxpayers are paying for a concentrated solar project — Ivanpah– that doesn’t work
Net metering and the death of US rooftop solar
April 22, 2016 by Roger Andrews at euanmearns.com “Net metering” allows anyone with a solar installation to sell surplus solar power to the grid when the sun is shining and to purchase power back from the grid when it isn’t. … Continue reading