Category Archives: Wind

Offshore wind: Risky, expensive, & over 757 tons of materials per 6 MW turbine

Notes from 191 page:  U.S. Offshore Wind Manufacturing and Supply Chain Development. Prepared for the U.S. Department of Energy by Navigant Consulting. February 22, 2013. [My comment: The Department of Energy high wind penetration plans require a lot of offshore … Continue reading

Posted in Offshore | Leave a comment

Critique of LCA & EROI Wind research

[This paper criticizes  LCA and EROI wind studies] Notes from 22 page: Davidsson, S., Höök, M., Wall, G. 2012. A review of life cycle assessments on wind energy systems. The International Journal of Life Cycle Assessment.         … Continue reading

Posted in EROEI Energy Returned on Energy Invested, Wind | Leave a comment

Wind and Solar diurnal and seasonal variations require energy storage

Excerpts from 14 page: Mulder, F. M. 2014. Implications of diurnal and seasonal variations in renewable energy generation for large scale energy storage. Journal of Renewable and Sustainable Energy.  Large scale implementation of solar and wind powered renewable electricity generation … Continue reading

Posted in Seasonal, Seasonal Variation | Leave a comment

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 | Leave a comment

Can wind power be scaled up to 24 TW by 2050?

[Below are excerpts from this 22 page paper. Alice Friedemann] Davidsson, S., et al. (2014) Growth curves and sustained commissioning modelling of renewable energy: Investigating resource constraints for wind energy. Energy Policy. Although the wind itself is a type of … Continue reading

Posted in Wind | Leave a comment

Building a national super grid in America

Building a national super grid in America by Alice Friedemann   June 3, 2015 A national supergrid is seen as essential for integrating renewable power into the electric grid. It is not clear if penetration of renewables beyond 33 or 50% … Continue reading

Posted in Blackouts, Electric Grid, Electric Grid, Electricity, National Super Grid, Solar, Vaclav Smil, Wind | Leave a comment

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

Posted in Alternative Energy, Energy, Wind | Tagged , , , | Comments Off on Wind power will not save us

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

Posted in Wind | Tagged | Comments Off on DOE 2014 Wind vision a new era for wind power in the United States

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

Posted in Alternative Energy Resources, Electrification, Limits To Growth, Renewable Integration, Wind | Tagged , , , , , , , , , , , | 2 Comments

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

Posted in Electric Grid, Electrification, Seasonal, Wind | Tagged , , , | Comments Off on Wind’s dirty secret: it goes on vacation in the summer and year-round in the South East