Category Archives: Wind

DOE 2014 Wind vision a new era for wind power in the United States

DOE 2014 Wind vision a new era for wind power in the United States Many potential sites with high quality wind energy resources have minimal or no access to electrical transmission facilities. From the perspective of planning reserves, wind power’s … Continue reading

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Wind turbines hit limits to growth before 50% wind power penetration

Material requirements of 50% wind power in the USA hit limits to growth Also see: Davidsson, S., et al. 2014. Growth curves and sustained commissioning modelling of renewable energy Investigating resource constraints for wind energy. Energy Policy. Fizaine, F., et … Continue reading

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Wind’s dirty secret: it goes on vacation in the summer and year-round in the South East

  Figure 1. Summer wind across the USA is barely to not economically viable Class 3 (light blue), or not at all economically viable Class 2 (orange) and class 1 (blank) (NREL), with very limited darker blue (class 4) and … Continue reading

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Wind power capacity value — effective load carrying capability (ELCC)

NREL. 2008. Determining the Capacity Value of Wind: An Updated Survey of Methods and Implementation. National Renewable Energy Laboratory. Electric systems must have sufficient reserves so that resources are adequate to meet customer demand. Because electricity demand cannot be known … Continue reading

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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

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Distributed Generation is destabilizing the Electric Grid

Electricity distribution is designed to flow one way from a centralized system to customers. But Distributed Generation (DG) from solar  PV and wind violates this. Impacts caused by high penetration levels of intermittent renewable DG can be complex and severe … Continue reading

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Robert Wilson: Can You Make a Wind Turbine Without Fossil Fuels?

Can You Make a Wind Turbine Without Fossil Fuels? February 25, 2014 by Robert Wilson @ theenergycollective.com Reworded Excerpts: The current feasibility of 100% renewable energy is easily tested by asking a simple question. Can you build a wind turbine … Continue reading

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Wind power will not save us

SCALE.  Too many windmills need to be built to replace oil. Worldwide, 32,850 wind turbines with 70 to 100 meter blades generating 1.65 MW built every year for the next 50 years, or 1,642,000 total would be needed to replace … Continue reading

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The Oiliness of Everything: Invisible Oil and Energy Payback Time.

The Oiliness of Everything: Invisible Oil and Energy Payback Time. By Alice Friedemann, August 23, 2014. Just as fish swim in water, we swim in oil.  You can’t understand the predicament we’re in until you can see the oil that … Continue reading

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Science : No single or combination of alternative energy resources can replace fossil fuels

Experts question new energy sources. Oct 31, 2002. AP. (APOnline) — None of the known alternate energy sources are technically ready to take the place of fossil fuels experts say in a new study: Martin Hoffert, et al 2002 Advanced … Continue reading

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