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- Why the U.S. is ignoring nuclear winter in nuclear policies & strategies
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- 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
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- The tremendous material and energy toll of the digital economy
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- What percent of Americans are rational?
Category Archives: Electric Grid
Why the Grid is getting less reliable. House Hearing 2013.
House 113-40. May 9, 2013. Grid reliability challenges in a shifting energy resource landscape. U.S. House of Representatives. 176 pages. Mr. Jonathan A. Lesser, President Continental Economics, Inc. [This is a really good introduction to how the grid works and … Continue reading
Posted in Grid instability, Renewable Integration, U.S. Congress Infrastructure
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The periodic table limits battery development
Preface. My book, When Trucks Stop Running, makes the case that civilization ends when trucks stop running. The replacement for diesel fuel that everyone expects, especially because Elon Musk has told them it’s on the way, are battery electric trucks. … Continue reading
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
The electric grid, critical interdependencies, vulnerabilities: U.S. House hearing 2003
[ Related articles: Russian hackers suspected in attack that blacked out parts of Ukraine How the weapon works (pdf): CRASHOVERRIDE Analyzing the Threat to Electric Grid Operations The EMP Commission estimates a nationwide blackout lasting one year could kill up … Continue reading
Posted in Blackouts, Cascading Failure, Congressional Record U.S., CyberAttacks, EMP Electromagnetic Pulse, Interdependencies
Tagged blackout, electric grid, electromagnetic pulse, EMP, interdependency, terrorism
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Capacity value of solar is low as penetration increases which could suppress investment
Notes from 33 page: NREL. 2014. Representation of Solar Capacity Value in the ReEDS Capacity Expansion. National Renewable Energy Laboratory. Technical Report NREL/TP-6A20-61182 March 2014 Comparison of Capacity Value at High Penetration. Several researchers have conducted modeling efforts to quantify … Continue reading
Posted in Renewable Integration, Solar
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The potential role of concentrating solar power
Preface. The word “water” appears nowhere in this document, even though that’s a major limiting factor for CSP with thermal storage. Dry cooling is possible, but it lowers the EROI and raises the already way-too-high capital cost. An electric grid … Continue reading
Posted in Concentrated Solar Power, Renewable Integration
Tagged concentrated solar power, CSP, electric grid, thermal energy storage
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Wind, solar, and storage impact on the California grid
California Energy commission. June 2010. Research evaluation of wind generation, solar generation, and storage impact on the California Grid. 131 pages. Excerpts: This report analyzes the effect of increasing renewable energy generation on California’s electricity system and assesses and quantifies … Continue reading
Posted in Energy Storage, Renewable Integration
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Eastern Wind Integration & Transmission study 2011 National Renewable Energy Laboratory
Excerpts from the 242 page Eastern Wind Integration & Transmission study, 2011, EnerNex corporation for National Renewable Energy Laboratory. Key Findings Building transmission capacity takes much longer than installing wind plants. It is already starting to limit wind growth in … Continue reading
Posted in Renewable Integration, Wind
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Demand reduction of electricity to balance the electric grid
Demand reduction of electricity to balance the electric grid by Alice Friedemann By the time a smart grid is integrated into all the existing computer systems, wasting electricity with each round-trip of information, (rolling) blackouts are likely to be occurring … Continue reading
Posted in Demand Reduction
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Short-circuiting a solar boom in Japan
Spain is still feeling the painful effects of the costs of overbuilt solar PV, and now Japan is finding itself in the same position. This article does a lousy job of explaining that the grid must be in exact supply … Continue reading
Posted in Distributed Generation, Grid instability, Photovoltaic Solar, Renewable Integration
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