Tag Archives: electricity

Fossil-fueled industrial heat hard to impossible to replace with renewables

Preface. Cement, steel, glass, bricks, ceramics, chemicals, and much more depend on fossil-fueled high heat (up to 3200 F) to make. Except for the electric-arc furnace to recycle existing steel, there aren’t any renewable ways to make cement, other metals, … Continue reading

Posted in Alternative Energy, Manufacturing & Industrial Heat | Tagged , , , | 2 Comments

Generating electricity with biomass at utility-scale in California limited to direct combustion in small 50 MW plants

Preface. It’s obviously much easier and more energy efficient to set logs on fire for heat and electricity than to turn them into ethanol.   Burning biomass can’t do much to solve our energy crisis.  To produce just 10% of … Continue reading

Posted in Biomass, Electric Grid | Tagged , , | 1 Comment

Rust Power

Preface.  This is yet another article with an energy generation idea that will probably never work out and become commercial.  But it gives hope and dreams to ordinary people who think what a cool idea, and who will never check … Continue reading

Posted in Far Out | Tagged , | 2 Comments

Book review of Bryce’s “Power hungry: the myths of green energy and the real fuels of the future”

Preface.  This is a book review of: Robert Bryce. 2009. Power Hungry: The Myths of “Green” Energy and the Real Fuels of the Future. This is a brilliant book, very funny at times, a great way to sharpen your critical … Continue reading

Posted in Energy, Other Experts | Tagged , , , , | 9 Comments

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

Posted in Other Experts, Photovoltaic Solar | Tagged , , , | 9 Comments

Wanted: Math geniuses and power engineers to make a renewable grid possible

Figure 1. OPF solution of original seven-bus system with generator at bus 4 offering high [The U.S. electric grid produces over two-thirds of its power with finite fossil fuels, and another 20% from nuclear power.   Since fossil fuels and uranium … Continue reading

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Why we need a diverse electricity generation portfolio: House hearing 2013

House 113-12. March 5, 2013. American Energy security and innovation. The role of a diverse electricity generation portfolio. House of Representatives. 135 pages. June 5, 2015. Proposed Clean Power Plan would accelerate renewable additions and coal plant retirements. U.S. Energy … Continue reading

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Just 16,000 catenary trucks (out of 5.6 million) would use 1% of California’s electricity generation

We must electrify trucks since fuel from oil, coal, and natural gas is finite, and biomass doesn’t scale up.  Without transportation, electricity contraptions like wind turbines, solar facilities, and nuclear power plants can’t be built. A wind turbine, for example, … Continue reading

Posted in Electric Trucks, Electric trucks impossible, When Trucks Stop Running | Tagged , , , , , , , , | 2 Comments

Electricity, fuel, and other interdependencies

Freight trucks, trains, ships, airplanes all stop when the electricity is out because the pumps depend on it.  Related: Why you should love trucks and When Trucks Stop CR. September 4 & 23, 2003. Implications of power blackouts for the … Continue reading

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Why fusion power is still 30 years away — if ever

Fusion is not likely to work out, yet it is the only possible energy source that could replace fossil fuels (see Science : No single or combination of alternative energy resources can replace fossil fuels). Ugo Bardi (2014), in his … Continue reading

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