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- Why the U.S. is ignoring nuclear winter in nuclear policies & strategies
- 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”
Tag Archives: solar PV
Solar panels in the Sahara could cause global warming
Preface. Adding tens of thousands of square miles of solar panels to replace fossil fuels could cause climate change and heat up the planet. Of course this is a fantasy, dust storms would scour the panels rendering them useless, with … Continue reading
Posted in Global Warming, Heat, Photovoltaic Solar
Tagged climate change, energy, global warming, solar PV
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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
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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Tilting at Windmills, Spain’s disastrous attempt to replace fossil fuels with Solar PV, Part 1
Book review by Alice Friedemann at energyskeptic of “Spain’s Photovoltaic Revolution. The Energy Return on Investment”, by Pedro Prieto and Charles A.S. Hall. 2013. Springer. Conclusion: the EROI of solar photovoltaic is only 2.45, very low despite Spain’s ideal sunny … Continue reading
Is there enough renewable energy to replace fossil fuel electricity generation?
NREL. July 2012. U.S. Renewable Energy Technical Potentials: A GIS-Based Analysis. National Renewable Energy Laboratory. This document is a thought experiment that uses GIS mapping to estimate how much renewable power could possibly be generated in each state regardless of … Continue reading
Wind & Solar need thousands of tons of steel, aluminum, cement, concrete, copper but produce little energy
Summary of Sergio Pacca and Darpa Horvath 2002 Greenhouse Gas Emissions from Building and Operating Electric Power Plants in the Upper Colorado River Basin ENVIRONMENTAL SCIENCE & TECHNOLOGY / VOL. 36, NO. 14 pp. 3194-3200 As you can see, Wind … Continue reading
Posted in Alternative Energy, Photovoltaic Solar, Wind
Tagged alternative energy, coal, natural gas, plants, solar PV, wind
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