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News & Articles on Wind Energy

This is an archive of articles and news on both large and small wind turbines, wind energy & the environment, and links to topics on the history of wind energy.

I've been working with wind energy since 1976 and my professional experience in the subject runs the gamut from wind resource assessment to installing and testing small wind turbines. I continue to follow the industry and analyze its growth and increasing contribution to renewable electricity generation worldwide.

Net-Metering? It's Time for Wind & Solar Without Limits

June 27, 2005,   by Paul Gipe

The renewable lists buzz with discussions about net metering. Renewable's advocates spend hours, days, years even trying to implement net metering over utility objections. Why bother? Net metering is...[more]

Category: News on Small Wind

Presentation by Paul Gipe on An Ontario NGO’s Campaign for Advanced Renewable Tariffs

June 21, 2005,   by Paul Gipe

Antigonish, Nova Scotia

Category: Presentations by Paul Gipe

Wind Power in Power Systems

June 16, 2005,   by Paul Gipe

Wind Power in Power Systems is edited by the very capable Thomas Ackermann. It is a massive 691 pages on the status of modern wind turbines and how they are integrated into power systems. The book...[more]

Category: Reviews Engineering & Technical Books

Status of Wind Energy in the USA in 2005

June 10, 2005,   by Paul Gipe

Category: Wind Statistics

Presentation on Building a Sustainable Power Supply with Renewable Energy

May 25, 2005,   by Paul Gipe

For New Zealand's Energy Efficiency and Conservation Authority

Category: Presentations by Paul Gipe

Swift Turbine Specs Look Dubious by Stewart Russell

May 9, 2005,   by Stewart Russell

Category: Small Turbine Product Reviews, Rooftop & Urban Wind

Presentation by Paul Gipe to Natural Resources Canada on World Wind Energy Development & Advanced Renewable Tariffs

May 4, 2005,   by Paul Gipe

Ottawa, Ontario

Category: Presentations by Paul Gipe

Doug Selsam's Super Twin at Wulf Field

May 1, 2005,   by Paul Gipe

Selsam's SuperTwin had operated unattended from March 2008 through sometime in the spring of 2009.[more]

Category: Wulf Small Wind Turbine Test Field Results

Presentation by Paul Gipe at St. Francis University on World Wind Energy Development & Advanced Renewable Tariffs

April 21, 2005,   by Paul Gipe

Loretto, Pennsylvania

Category: Presentations by Paul Gipe

Presentation by Paul Gipe to the Ontario Federation of Farmers on Coping with the Power Crisis

April 5, 2005,   by Paul Gipe

Regaining Control by Cutting Demand and Increasing Renewable Energy--Not Quick, Not Cheap, Not Easy But Worth Every Cent

Category: Presentations by Paul Gipe

The Myths & Mysticism of Vertical Axis Wind Turbines

February 1, 2005,   by Mick Sagrillo

At least several times a year, yet another announcement about a “technological breakthrough” arrives in my e-mail box. Invariably, the device being “unveiled” is a vertical axis wind turbine, and in...

Category: Small Vertical Axis Wind Turbines

The Costs of Wind's Variability: Is There a Threshold?

February 1, 2005,   by Joseph F. DeCarolis and David W. Keith

Even with the added costs to deal with intermittency, wind is roughly competitive with other generation technologies under a strong carbon constraint.

Category: Grid Integration

Presentation by Paul Gipe on OSEA Price-Setting Workshop with Bernard CHABOT of ADEME

January 9, 2005,   by Paul Gipe

Category: Presentations by Paul Gipe

Why I hate Wind Farms and Think There Should be More of Them

January 1, 2005,   by Peter Harper

Centre for Alternative Technology Machynlleth, Wales I was visiting a planning office in Sydney, and a scrap of paper pinned to the wall caught my eye. It bore a short poem headed "The...[more]

Category: Debunking Myths about Wind Energy, Wind Energy & the Environment

The Wind in My Sails by Peter Harper

January 1, 2005,   by Peter Harper

Centre for Alternative Technology Machynlleth, Wales Let's get a few things straight at the beginning. Obviously the debate hinges on both the gravity and urgency of the climate change situation....[more]

Category: Debunking Myths about Wind Energy, Wind Energy & the Environment

Peter Harper's Response to Rob Collister's cri de coeur Regarding Wind Farms

January 1, 2005,   by Peter Harper

Centre for Alternative Technology Machynlleth, Wales   Dear Editor While I appreciate the sincerity and good intentions of Rob Collister's cri de coeur regarding wind farms in May/June...[more]

Category: Debunking Myths about Wind Energy, Wind Energy & the Environment

The Economics and Environmental Impacts of Large-Scale Wind Power in a Carbon Constrained World

December 2, 2004,   by Joseph Frank DeCarolis

When wind serves upwards of 60 percent of demand, the model chooses to install more GT than GTCC capacity because the lower rates of gas utilization dictate the use of lower efficiency, lower...

Category: Grid Integration

Presentation by Paul Gipe to the Forum on Renewable Energy Tariffs: Market Mechanism for Rapid Deployment

October 21, 2004,   by Paul Gipe

Category: Presentations by Paul Gipe

Presentation by Paul Gipe to CanWEA on Potential Economic Benefits of Wind Energy

October 14, 2004,   by Paul Gipe

Category: Presentations by Paul Gipe

Wind's Up: Planning the Future Now

September 27, 2004,   by Mark Ashby

The Resource Management Act, plans developed under it, and RMA processes are capable of facilitating wind energy development and of dealing with the range of effects associated with a wind farm....

Category: News on Large Wind, Wind Energy & the Environment

Wind Turbines and Parks

September 17, 2004,   by Paul Gipe

In response to an announcement about a hike among wind turbines in California's Tehachapi Pass a question was raised about the use of wind turbines in or around parks or other public use areas. The...[more]

Category: Wind Energy & the Environment

Myth: Turbines are a health hazard

September 1, 2004,   by Department for Business Enterprise and Regulatory Reform

In 25 years of wind generation, with 68,000 turbines now worldwide, there are no significant reports of health issues. This includes Denmark, whose turbine density is 30 times that of the UK.

Category: Wind Noise, Health, & Safety, Debunking Myths about Wind Energy

The economics of large-scale wind power in a carbon constrained world

July 31, 2004,   by Joseph F. DeCarolis, David W. Keith

We find that, with somewhat optimistic assumptions about the cost of wind turbines, the use of wind to serve 50% of demand adds ~1-2¢/kWh to the cost of electricity, a cost comparable to that of...

Category: Grid Integration

Draft WWEA Best Practice Guidelines

July 1, 2004,   by WWEA

Category: Wind Energy & the Environment

'Wind power in the UK: how planning conditions and financial arrangements affect outcomes'

June 28, 2004,   by David Toke

This article reviews some planning and financial conditions facing wind power development in the UK. Overall the 2002-2003 period has seen a big increase in planning consents. . .

Category: Great Britain, News on Large Wind

Stewart Russell's commentary on Windsave

May 9, 2004,   by Stewart Russell

Stewart knows what he's talking about. He's a pro.

Category: Small Turbine Product Reviews, Rooftop & Urban Wind

Smart Generation: Powering Ontario With Renewable Energy

April 1, 2004,   by Paul Gipe

The report, authored by leading experts in the field, summarizes the potential of five sources of renewable energy – wind, hydropower, biomass, geothermal and solar. It analyzes the economic...[more]

Category: News on Wind Energy, News on Feed in Tariffs

Current experience with supporting wind power in European electricity markets by ISET, Kassel

March 28, 2004,   by Martin Hoppe-Kilpper

Category: Germany FIT, Europe FIT, News on Large Wind

Sobering Altamont Bird Report Issued

March 14, 2004,   by Paul Gipe

A much anticipated update on wind turbines and birds in California's Altamont Pass concludes that the problem is more severe than once believed. The report by biologists Carl Thelander and Sean...[more]

Category: News on Large Wind, Wind Energy & the Environment

Wind Turbine Design: With Emphasis on Darrieus Concept by Ion Paraschivoiu

January 22, 2004,   by Paul Gipe

Ion Paraschivoiu is Aeronautical Chair Professor at École Polytechnique de Montréal and he brings to the cornucopia of new books on wind energy his specialty: Darrieus turbines. Like David Spera in...[more]

Category: Reviews Engineering & Technical Books

Wind Energy Explained: Theory, Design and Application

January 20, 2004,   by Paul Gipe

It's been many years since the publication of new engineering texts on wind energy. But in 2001 a flood of new books in English began flowing from publishers: two substantial volumes by John Wiley &...[more]

Category: Reviews Engineering & Technical Books

Wind Energy Handbook

January 20, 2004,   by Paul Gipe

The Wind Energy Handbook is one of a trio of big wind energy books by John Wiley & Sons'UK office. After a dearth of new wind energy titles in English for nearly a decade, suddenly there are two...[more]

Category: Reviews Engineering & Technical Books

Winds of Change: A comparative study of the politics of wind energy innovation in California and Denmark

January 19, 2004,   by Paul Gipe

Winds of Change by Rinie van Est is a masterly work of meticulous research that could well become a classic in its field. It should be required reading for all energy planners, and energy industry...[more]

Category: book Reviews, History of Wind Power

Wind Power Plants: Fundamentals, Design, Construction and Operation by R. Gasch, J. Twele

January 19, 2004,   by Paul Gipe

The book, edited by Robert Gasch, began as course notes for Gasch's popular course on wind turbine design for engineering students at the Technische Universität in Berlin. Many of the book's 15...[more]

Category: Reviews Engineering & Technical Books

Cost-effective Design & Operation of Variable Speed Wind Turbines: Closing the Gap between Control Engineering & the Wind Engineering Community by David-Pieter Molenaar

January 19, 2004,   by Paul Gipe

"Free, and Still too Expensive" opens Molenaar's doctoral thesis on designing variable speed wind turbines. Molenaar's work is not for the faint of heart. Much of it is well beyond my skill level....[more]

Category: Reviews Engineering & Technical Books

Wind Power: Renewable Energy for Home, Farm, and Business (2004)

January 1, 2004,  

Gipe has condensed more than two decades of working with and writing about wind energy into Wind Power: Renewable Energy for Home, Farm, and Business. An extensive revision of his successful earlier...[more]

Category: Books-Wind Power, Books by Paul Gipe

Thoughts on Doing It Yourself

January 1, 2004,   by Paul Gipe

  Adapted from the book Wind Power: Renewable Energy for Home, Farm, and Business. When I wrote my first book on wind energy in 1982, I believed most homeowners with a modicum of tool skills...[more]

Category: Accidents & Safety

The Measurement of Low Frequency Noise at Three UK Wind Farms

January 1, 2004,   by Hayes McKenzie

The Measurement of Low Frequency Noise at Three UK Wind Farms--Of the 126 wind farms operating in the UK, five have been reported low frequency noise problems. Therefore, such complaints are the...

Category: Wind Noise, Health, & Safety, Debunking Myths about Wind Energy

Man Falls to Death from E66 in Germany

December 22, 2003,   by Paul Gipe

On October 16, 2003 a 25-year old technician fell inside a 100-meter tall Enercon E66 tower, struck his head, and died according to an account in a local German newspaper. The man, unnamed in the...[more]

Category: Accidents & Safety

Summary of Power Curves Measured at the Wulf Test Field

December 8, 2003,   by Paul Gipe

December 8, 2003 by Paul Gipe For an explantion of the following chart see the article on measuring power curves. Though some of the turbines do not meet their manufacturer's advertised power...[more]

Category: Wulf Small Wind Turbine Test Field Results

[Toronto's] Exhibition Place [WindShare] Wind Turbine Bird Monitoring Program in 2003

December 1, 2003,   by Ross D James and Glenn Coady

Only two dead birds were found, one in spring and one in autumn. . . The rate of mortality is absolutely insignificant when compared to the thousands that are killed each year in Toronto at tall...

Category: Wind Energy & the Environment, Debunking Myths about Wind Energy

Sierra Club Wind Siting Advisory Document

November 25, 2003,   by Paul Gipe

  Note: The Sierra Club is a grass roots or member-driven environmental organization in the United States founded by the naturalist John Muir. It has about 700,000 members nationwide. The Club has...[more]

Category: Wind Energy & the Environment

Simple Rules for Small Wind Turbine Design by Michael Klemen

November 19, 2003,   by Michael Klemen

Simple Rules for Small Wind Turbine Design by Michael Klemen used with permission. [more]

Category: News on Small Wind

Specifications of Small Wind Turbines Tested for Noise

November 4, 2003,   by Paul Gipe

Specifications of Small Wind Turbines at Wulf Test Field   Rotor Swept Rated Number Approx.   Tip Speed   Tip Speed Turbine Dia. Area Power of rpm   m/s   Ratio   m m2 W Blades @ 8 m/s @ 10...[more]

Category: Wulf Small Wind Turbine Test Field Results

Cruising World Noise Measurements

November 4, 2003,   by Paul Gipe

Cruising World Noise Measurements Turbines Rotor Swept Rated SPL* Tested Dia. Area Power @11 knots   m m2 W dBA Rutland 913 0.91 0.65 70 75 Ampair 100 0.92 0.66 50 78 Air 403 1.17 1.08...[more]

Category: Wulf Small Wind Turbine Test Field Results

Summary of Small Wind Turbine Noise Measurements in dBA

November 4, 2003,   by Paul Gipe

Summary of Small Wind Turbine Noise Measurements at Wulf Test Field in dBA   Hub Reference Slant     Sound   Projected   Projected Turbine Height Position Distance SPL   Power   100   to 45...[more]

Category: Wulf Small Wind Turbine Test Field Results

Comparison of Noise from Small Wind Turbines

November 4, 2003,   by Paul Gipe

Comparison of Noise from Small & Selected Medium-Size Wind Turbines                 ECN/Van der Borg   Difference Turbine Rotor Swept Rated Tip Speed Sound Power   Data Projection @ 8 m/s...[more]

Category: Wulf Small Wind Turbine Test Field Results

Air 403 Noise Measurements

November 4, 2003,   by Paul Gipe

Air 403 Ambient Noise.   Air 403 Noise. Linear regression trend and data for Air 403 charging a constant load. NREL's Arlinda Huskey notes that the data suggests turbine noise begins to level off...[more]

Category: Wulf Small Wind Turbine Test Field Results

Ampair 100 Noise Measurements

November 4, 2003,   by Paul Gipe

Ampair 100 Noise Ambient.     Ampair 100 Noise Charging.   Ampair 100 Noise Unloaded.   Ampair 100 Noise Summary. [more]

Category: Wulf Small Wind Turbine Test Field Results

Summary of Ambient Noise Measurements

November 4, 2003,   by Paul Gipe

    There was generally good agreement with the measurement of ambient conditions for the three seperate tests. Note that the ambient for the Ampair and Air 403 tests was higher than that for the...[more]

Category: Wulf Small Wind Turbine Test Field Results

BLM Wind Energy Programmatic EIS Scoping Questions

November 2, 2003,   by Paul Gipe

  BLM Wind Energy Programmatic EIS Scoping Argonne National Laboratory EAD/900 9700 S. Cass Avenue, Argonne, IL 60439   RE: Scoping Session, November 3, Sacramento, California   The following...[more]

Category: Wind Energy & the Environment

BWC 850 Noise

September 28, 2003,   by Paul Gipe

BWC 850 Ambient Noise. Linear regression trend and data from one-minute Leq with the turbine parked. Copyright 2001 by Paul Gipe. All rights reserved.[more]

Category: Wulf Small Wind Turbine Test Field Results

More Wind than First Thought?

July 29, 2003,   by Paul Gipe

USA report stirs minor tempest[more]

Category: News on Wind Energy

Return of Two Blades? A new look at an old idea

July 28, 2003,   by Paul Gipe

  An edited version of this article appeared in the Summer 2003 (Vol. 16, No. 3) edition of WindStats. With 270 people--including New Zealand's minister for energy-- attending the dedication of...[more]

Category: News on Large Wind

Pitch Versus Stall: The Numbers are In

June 20, 2003,   by Paul Gipe

  The following article appeared in an edited form in Renewable Energy World's July—August 2003 (Vol. 6 No.4) issue. As turbines grow beyond the 2-MW threshold, it appears that all...[more]

Category: Wind Statistics

Windenergie Report Deutschland 2002

June 20, 2003,   by Paul Gipe

  The following article appeared in an edited form in Renewable Energy World's July—August 2003 (Vol. 6 No.4) issue. Windenergie Report Deutschland 2002 by Institut für Solare...[more]

Category: Wind Statistics

Wind Expansion Slowed in 2002 says BTM

June 19, 2003,   by Paul Gipe

Paul Gipe reports on the latest study of the world wind market by Denmark's BTM Consult.[more]

Category: Wind Statistics

Brazilian Tests Confirm Air 403 Underperforms Power Curve

May 23, 2003,   by Paul Gipe

Gustavo de Marsillac Peña presented the findings from a series of laboratory tests on an Air 403 at the American Wind Energy Association's annual conference this week in Austin, Texas.[more]

Category: Small Turbine Testing

REPP: The Effect of Wind Development on Local Property Values

May 1, 2003,   by George Sterzinger, Fredric Beck, and Damian Kostiuk

After accounting for comparable sales outside the viewshed of the wind farms selected, defined as beyond five miles (8 kilometers) from the turbines, the study found that viewshed property generally...

Category: Debunking Myths about Wind Energy

Wind Energy "Best Practice" Guides--Wresting Standards from Conflict

April 1, 2003,   by Paul Gipe

  The following article appeared in an edited form in the Spring 2003 issue of WindStats Newsletter (Vol. 16 No. 2) under the title British lessons to avoid anti-wind conflict—a best practice...[more]

Category: Wind Energy & the Environment

Why I Oppose the Production Tax Credit

February 12, 2003,   by Paul Gipe

  Background Since the first National Energy Act, tax credits have been the mechanism used in the United States to subsidize or stimulate wind energy. Through 1985 the tax credits were based on...[more]

Category: News on Wind Energy, News on Feed in Tariffs

AEI's Wind Course CD-ROM

January 31, 2003,   by Paul Gipe

"Wind Energy and Wind Turbines," by Vaughn Nelson and the AEI staff.[more]

Category: book Reviews

AirX Noise Emission Measurements

January 30, 2003,   by Paul Gipe

Both versions of the AirX monitored at the Wulf Test were qualitatively and quantitatively quieter than the Air 403.[more]

Category: Wulf Small Wind Turbine Test Field Results

AirX Fails Power Curve Tests

January 29, 2003,   by Paul Gipe

Tests during 2002 at the Wulf Test Field demonstrate that the AirX fails to meet the manufacturer's power curve by a wide margin.[more]

Category: Wulf Small Wind Turbine Test Field Results

Kleinwindkraftanlagen und ihre Anwendungen

January 1, 2003,   by Paul Gipe

Category: Book Reviews of Books auf Deutsch, News on Small Wind

Wind-Wasserpumpen – ein Überblick

January 1, 2003,  

Category: Book Reviews of Books auf Deutsch, News on Small Wind

More on Small Turbines

January 1, 2003,   by Paul Gipe

Links to more information on small wind turbines.[more]

Category: News on Small Wind

Tehachapi Pass Wind Resource Update 2003

January 1, 2003,   by Paul Gipe

Wind turbines in California produce about 1% of the states electricity. The Tehachapi Wind Resource Area accounts for almost half of that. Altogether the turbines in Tehachapi produce enough...[more]

Category: Wind Statistics

Les éoliennes multipales, progrès et tradition (French Multiblade Wind Pumps: Progress and Tradition)

December 1, 2002,   by Etienne Rogier

Extensive treatise on the development, manufacture, and use of multiblade, mechanical farm windmills in France during the 19th century.

Category: History of Wind Power

US Wind Turbine/Bos's Warning

October 1, 2002,  

by Paul Gipe October, 2002 in a posting to awea-wind-home news group. Mike is Michael Klemen, Bos is Ken Bosley. Mike, Am I missing something? I haven't followed this closely and I may have missed...[more]

Category: Inventions & Questionable Wind Turbines

Birds, Cuisinarts, Wind Turbines, and the Sierra Club

June 24, 2002,   by Paul Gipe

The Sierra Club has long advocated the expanded use of renewable sources of energy, including wind energy. The Club judges each specific renewable energy project on its merits and may on occasion...[more]

Category: Wind Energy & the Environment

California Updates Wind Stats--Finally

February 7, 2002,   by Paul Gipe

  In February, the California Energy Commission issued its long-awaited update on the performance of the state's wind industry. The Wind Performance Report Summary 1996-1999 eliminates some...[more]

Category: Wind Statistics

Wind Power in View: Energy Landscapes in a Crowded World

January 1, 2002,  

Wind Turbines, Aesthetics, & Public Acceptance Whether you love them or hate them, all agree that wind turbines elicit strong reactions, and the potential for conflict will only increase as wind...[more]

Category: Books Wind in View, Books by Paul Gipe

EcoQuest International, WindTree, and AWEA Cease & Desist Order

January 1, 2002,  

False, Misleading and Deceptive Claims Regarding AWEA's Purported Endorsement of WindTree Energy Generator[more]

Category: Small Vertical Axis Wind Turbines

Fair and Efficient Rates for Large Scale Development of Wind Power: the New French Solution by Bernard Chabot & Bernard Saulnier

October 29, 2001,   by Bernard CHABOT and Bernard SAULNIER

A description of the Profitability Index Method of setting feed-in tariff rates for wind energy. . .

Category: Economic Calculations, France FIT

Energy for Life: The Pursuit of an Ethical Energy Policy

October 17, 2001,   by Paul Gipe

Presented to the Kegley Institute of Ethics, California State University Bakersfield, 17 October 2001 Let's get this out of the way up front. There are no panaceas, no quick fixes to the state's or...[more]

Category: Wind Energy & the Environment

Real Goods' Solar Living Sourcebook 11th Edition

September 24, 2001,   by Paul Gipe

When the 11th edition of Real Goods' Solar Living Sourcebook landed with a thud on my doorstep, I knew I was in for a treat. L[more]

Category: book Reviews, News on Small Wind

Stirring Up a Hornet's Nest: New Turbine Generates Controversy

September 14, 2001,   by Paul Gipe

"We're not a very sophisticated company," Bob Green says humbly. Others agree. The awea-wind-home web site is buzzing with questions about the audacious claims of Green and his company, Thermodyne...[more]

Category: Inventions & Questionable Wind Turbines

Chicago Offshore Wind Negates Crackpot Invention

August 28, 2001,   by Paul Gipe

An edited version of the following was read on National Public Radio's Weekend Sunday program. Weekend Edition Sunday Re: Robbie Harris (sp)'s report on Wind Energy for Chicago/Sunday 26 August,...[more]

Category: Small Vertical Axis Wind Turbines, News on Large Wind

WPM: Vortec Energy collapses -- economics questionable

August 1, 2001,  

Doubts about an unusual approach to turbine design have been proven right with the demise of Vortec Energy, launched in 1994 with strong hopes for its diffuser augmented wind turbine (DAWT) design....

Category: Vortec Vortec

Turbine company runs out of puff

July 20, 2001,   by MELANIE CARROLL

Wind turbine company Vortec Energy is being wound up because its project is uneconomic, despite having raised $23 million in the past five years. . .[more]

Category: Shrouded & Ducted Wind Turbines, Vortec Vortec

Vortec closure no surprise

July 19, 2001,   by Geoff Henderson

The announcement this week that Vortec is closing comes as no surprise to Windflow Technology chief executive, Geoff Henderson. Windflow Technology Ltd is raising $3 million to establish local...[more]

Category: Shrouded & Ducted Wind Turbines, Vortec Vortec

Noise from Small Wind Turbines: An Unaddressed Issue

June 6, 2001,   by Paul Gipe

While it's difficult and time consuming, author Paul Gipe finds that measuring small wind turbine noise is within the reach of amateurs and asks why manufacturers and national laboratories are not...[more]

Category: Small Turbine Testing

Die Geschichte der Windenergienutzung 1890-1990 (The History of Wind Energy Utilization 1890-1990) by Matthias Heymann

May 22, 2001,   by Paul Gipe

American readers will find two sections particularly intriguing: development of wind energy in Germany during the Third Reich, and a critical comparison of the German, U.S., and Danish wind energy...[more]

Category: Reviews of Wind Books auf Deutsch, Book Reviews of Books auf Deutsch, History of Wind Power

European Wind Experience to 2001

January 1, 2001,   by Paul Gipe

  IV. European Experience IV.A. Denmark and the Danes IV.A.1. Right Product at the Right Place IV.A.2.Dependable Home Market IV.A.3. Nationwide Land Use Planning IV.B. Germany Rises to Prominence...[more]

Category: News on Wind Energy

Reaping the Wind: How Mechanical Wizards, Visionaries, and Profiteers Helped Shape Our Energy Future by Peter Asmus

January 1, 2001,   by Paul Gipe

Timing is everything. And Peter Asmus couldn't have better timed the release of his book about the rise and fall of California's wind industry. Just as California entered its first rolling blackouts...[more]

Category: book Reviews, History of Wind Power

Small Wind Turbines Sprouting as Power Prices Rise

January 1, 2001,   by Paul Gipe

California's power crisis has proven fertile soil for a new crop of small wind turbines seen sprouting across the state. From Chico in the north to Temecula in the south, from the coast near San Luis...[more]

Category: News on Small Wind

Ventilators and Squirrels in a Cage

January 1, 2001,   by Paul Gipe

Like ducted turbines, a perennial favorite of hucksters and charlatans is, for lack of a better word, squirrel cage rotors. [more]

Category: Small Vertical Axis Wind Turbines

International Wind Energy Development: World Market Update 2001

January 1, 2001,   by Paul Gipe

An edited version of this article appeared in a 2001 edition of Renewable Energy World. Paul Gipe examines the latest report from BTM Consult on the world wind energy market.   More good news for...[more]

Category: Wind Statistics

L’électricité éolienne de la Belle Epoque à EDF (French Wind Energy from the Belle Epoque to EDF)

November 1, 2000,   by Etienne Rogier

Introduction to all the great names of French wind energy, including Georges Darrieus, Louis Vadot, Louis Constantin, the Duke de Goyon, and Laboratoire Eiffel.

Category: History of Wind Power

Spanish Survey of Small Turbine Technology A review by Paul Gipe

October 30, 2000,   by Paul Gipe

Researchers at Spain's national energy center, CIEMAT, reported on a survey of small wind turbine technology at the European Wind Energy Association special topic conference in Kassel, Germany.[more]

Category: News on Small Wind, book Reviews

Wind power's benefits outweigh risk to scenery by Charles Komanoff

September 1, 2000,   by Charles Komanoff

If, by accepting a modest, largely aesthetic change in the landscape, we can heal the earth to this great extent, how in conscience can we not do so? . .

Category: Debunking Myths about Wind Energy, Wind Energy & the Environment

Testing the Power Curves of Small Wind Turbines

June 6, 2000,   by Paul Gipe

The following article grew out of research for an extensive revision of my book Wind Power for Home & Business published by Chelsea Green. The article is essentially a report on how to test small...[more]

Category: Small Turbine Testing

Comments on a Proposed Performance Standard for Small Wind Turbines

May 25, 2000,   by Paul Gipe

A Memorandum to Colleagues in the U.S. Small Turbine Industry on the Draft Performance Standard AWEA 1.2.2000[more]

Category: Small Turbine Testing

Energía Eólica Práctica

March 19, 2000,  

La editorial española Progensa ha comenzado a distribuir el libro titulado Energía Eólica Práctica, traducción del texto Wind Energy Basics publicado por Chelsea Green en 1999. Según la editorial,...[more]

Category: Books in spanish, Books by Paul Gipe

Midwest Wind Farm Trip Report and Observations

February 4, 2000,   by Paul Gipe

In late October I took a brief trip to Wyoming, Colorado, Nebraska, Iowa, and Minnesota to visit some of the new wind projects. Here are some observations based on comparing the Midwest projects with...[more]

Category: News on Wind Energy

Aerodynamic analysis and monitoring of the Vortec 7 diffuser-augmented wind turbine

January 13, 2000,   by Trevor Nash

Simplified one-dimensional arguments lead to predictions of speed-ups of about 2 and power augmentations of about 4, but such power levels have not been observed to date.

Category: Vortec Vortec

Etats-Unis : le calme après la tempête?

January 1, 2000,   by Paul Gipe

(From Systèmes Solaires ~1999-2000) L'industrie éolienne aux Etats-Unis est aujourd'hui en pleine ébullition. En termes de puissance installée, le développement est comparable a celui que l'on a...[more]

Category: News on Wind Energy, Dispelling Myths en Francais, FloWind

Brakedrum Windmill Plans Year 2000 Edition

January 1, 2000,   by Paul Gipe

Hugh Piggott's plans for turning a used brakedrum into a windmill is welcome addition to the literature on small wind turbines. [more]

Category: book Reviews, News on Small Wind

Air 303H and Air 403 Measured Power Curves

January 1, 2000,   by Paul Gipe

[more]

Category: Wulf Small Wind Turbine Test Field Results

Marlec 910F Measured Power Curve

January 1, 2000,   by Paul Gipe

[more]

Category: Wulf Small Wind Turbine Test Field Results

LVM 6F Measured Power Curve

January 1, 2000,   by Paul Gipe

  [more]

Category: Wulf Small Wind Turbine Test Field Results

Ampair 100 Measured Power Curve

January 1, 2000,   by Paul Gipe

  [more]

Category: Wulf Small Wind Turbine Test Field Results

NZH: Vortec hits second wind with turbine energy technology

December 7, 1999,   by YOKE HAR LEE

Vortec Energy - after spending $5 million on what its chief describes as New Zealand's most expensive "sculpture" - has emerged with new wind-harnessing technology and made its first licensing deal....

Category: Vortec Vortec

Performance Data on Zond Z40a & Zond Z40b

September 1, 1999,  

An edited version of this article appeared in the Winter 1999 issue of WindStats Newsletter (Vol. 12, No. 1). The accompanying tables report data on the performance of Enron Wind Development Corp.'s...[more]

Category: Wind Statistics

Midwest Performance Projections: Are they too Aggressive?

June 1, 1999,   by Paul Gipe

An edited version of this article appeared in the Summer 1999 (Vol. 12, No. 3) edition of WindStats. For access to the tables and statistics mentioned in the text, please see the hard copy version...[more]

Category: Wind Statistics, News on Wind Energy

Latest Data from Germany's 250 MW Measurement Program 1999

June 1, 1999,   by Paul Gipe

An edited version of the following article appeared in the Autumn 1999 (Vol. 12, No. 4) edition of WindStats. The latest in a series of annual reports on a German test program opens a public window...[more]

Category: Wind Statistics

Elettricità dal Vento

March 19, 1999,  

Franco Muzzio Editore, an imprint of Editori Riuniti, has published an Italian translation of Wind Energy Basics, a book on small and household-size wind turbines. Elettricità al vento: Impianti di...[more]

Category: Books in italian, Books by Paul Gipe

A Guide to Small and Micro Wind Systems

January 1, 1999,  

The wind power industry has been transformed in the 1990s by dramatic breakthroughs in efficiency, economy, and adaptability. Wind Energy Basics is the most up-to-date source available of information...[more]

Category: Books Wind Basics, Books by Paul Gipe

The Great Wind Rush of 99

January 1, 1999,   by Paul Gipe

An edited version of this article appeared in the February 1999 issue of New Energy and in French in the January-February 1999 issue (No. 129) of Systèmes Solaires. It has been 14 years since the...[more]

Category: News on Wind Energy, FloWind

Believing Cassandra: An Optimist Looks at a Pessimist's World

January 1, 1999,   by Paul Gipe

Having been disparaged as a "Cassandra," I was reluctant to read a book on the topic, especially one with a subtile about optimism. "Oh no," I thought, "another enviro bashing book catering to...[more]

Category: Other Articles, Renewable Energy, book Reviews

Small Turbines Not Left Out of Wind Boom

January 1, 1999,   by Paul Gipe

Wind energy is booming. Not since the heyday of the American farm windmill has wind energy grown at such a dramatic pace. By the new millennium, more than 40,000 medium-size wind turbines will be in...[more]

Category: News on Small Wind

Windy Protest: Conflict Surrounding the Future Potential of Wind Power (Windiger Protest Konflikte um das Zukunftspotential der Windkraft)

January 1, 1999,   by Paul Gipe

Windiger Protest (Bochum, Germany: Ponte Press, 1998) is a powerful little book edited by Franz Alt, Jürgen Claus, and Hermann Scheer. It sandwiches 189 pages packed with a documented defense of wind...[more]

Category: Reviews of Wind Books auf Deutsch, Wind Energy & the Environment, Book Reviews of Books auf Deutsch

Overview of Worldwide Wind Generation

January 1, 1999,   by Paul Gipe

This article is dated. For the most current statistics on wind development worldwide, contact BTM Consult and order a copy of their World Market Update. Abstract An overview of wind development...[more]

Category: Wind Statistics

Get A Grip! Raising a Bergey 850 with a Griphoist

December 1, 1998,   by Paul Gipe

The most common technique here in the United States is to raise the tilt-up towers with a truck or tractor. I’ve never been a fan of this approach and I’ve long wondered if there is a better way....

Category: News on Small Wind

Wind Energy Advocate Honored at World Conference

October 3, 1998,  

The World Renewable Energy Congress hailed long-time wind energy advocate Paul Gipe as a "pioneer in renewable energy" at its recent international conference in Florence, Italy. The designation, one...[more]

Category: Other Articles, News on Wind Energy

Lowering the BWC 850 with a Griphoist

June 22, 1998,   by Paul Gipe

My thanks to everyone on the awea-wind-home list for your help raising the BWC 850. Sunday 21 June, Nancy and I lowered the turbine with the griphoist. (Because we will be traveling for the next five...[more]

Category: News on Small Wind

Self-Guided Tour to the Wind Farms of the Tehachapi Pass

June 1, 1998,   by Paul Gipe

The text of this guide was written for attendees of Windpower 98 conference in Bakersfield, California. I updated the material in spring 2001.--Paul Gipe Tehachapi is about one hour's drive from...[more]

Category: News on Wind Energy, FloWind

Status of Vortec 7 Project

April 28, 1998,   by Thomas Ackermann

The New Zealand Wind Energy Association newsletter gives some information about the status of the Vortec 7 project, reports Thomas Ackermann. . .[more]

Category: Shrouded & Ducted Wind Turbines, Vortec Vortec

Zond Claims Questioned on Z16 at Waverly Light and Power

April 16, 1998,   by Paul Gipe

  Note: The following material describes an incident that happened in 1993. This note was originally posted to awea-wind.net. Glenn Cannon presented a paper on the performance of the Z16 at the...[more]

Category: Wind Statistics

Gipe Urges Change in AWEA

March 12, 1998,   by Paul Gipe

Today Paul Gipe submitted his candidates biography to the American Wind Energy Association for re-election to AWEA's board of directors. In his biography Gipe calls for a dramatic change in AWEA's...[more]

Category: News on Wind Energy, News on Large Wind

Windpower 98 Tehachapi Tour

January 6, 1998,  

The following appeared in an edited version in an 1998 edition of Windpower Monthly Four busses chocked full of windpower devotees, some 200 in all, left Windpower 98 in Bakersfield for a tour of...[more]

Category: News on Wind Energy, FloWind

BWC 850 Measured Power Curves

January 1, 1998,   by Paul Gipe

[more]

Category: Wulf Small Wind Turbine Test Field Results

North American Green's Erosion Control Software

December 1, 1997,   by Paul Gipe

Those planning wind projects in steep terrain (California, Texas, the northeastern USA, Spain, Italy, France) or those repowering projects in steep terrain (California) should get a copy of North...[more]

Category: Wind Energy & the Environment, book Reviews

Wind Turbines & the Landscape: Architecture & Aesthetics by Frode Birk Nielsen

December 1, 1997,   by Paul Gipe

This is the first of two reports on wind turbines and aesthetic design. The second is The Landscape Impact and Visual Design of Windfarms by Caroline Stanton. There is also a discussion of aesthetics...[more]

Category: Wind Energy & the Environment, Reviews Engineering & Technical Books, Reviews Coffee Table Books

The Landscape Impact and Visual Design of Windfarms by Caroline Stanton

December 1, 1997,   by Paul Gipe

This is the second of two reports on wind turbines and aesthetic design. The other is a Review of Wind Turbines & the Landscape by Frode Birk Nielsen. There is also a discussion of aesthetics in...[more]

Category: Wind Energy & the Environment, Reviews Engineering & Technical Books

Time to Clean Up the Mess in Kern County

September 28, 1997,   by Paul Gipe

  Wind energy has come of age as a commercial technology for generating electricity. Wind development is booming. Worldwide sales of wind turbines now exceed $1 billion annually and sales of...[more]

Category: Wind Energy & the Environment

The Need for an International Small Wind Turbine Test Center

September 24, 1997,   by Paul Gipe

There is a pressing need for an international center to test and demonstrate small wind turbines. In contrast to the medium-sized wind turbine industry, which is nearing technical maturity, small...[more]

Category: Small Turbine Testing

Comments on the Vortec Diffuser Augmented Turbine

July 7, 1997,   by Paul Gipe

I was critical of the development of this wind turbine for several reasons: excessive hype, questionable sales of stock, and the aggressive style of the company's promoter. [more]

Category: Shrouded & Ducted Wind Turbines, Vortec Vortec

New Zealand Sunday Star-Times: Storm over Wind Energy (Vortec 7 DAWT)

July 6, 1997,   by Daniel Riordan

AS WIND turbine generator Vortec Energy gets ready for a 10-city roadshow: to promote its $10m public offering an overseas expert has warned small investors to steer clear, saying the company's...[more]

Category: Vortec, Inventions & Questionable Wind Turbines Vortec

Vortec home page in June, 1997. Copyright 1997 by Vortec Energy Limited.

June 1, 1997,  

Attempt by Vortec to rebut their critics.[more]

Category: Shrouded & Ducted Wind Turbines, Vortec Vortec

NZSM: Getting the Wind Up

June 1, 1997,  

Despite the questions and scepticism, hopes for the new machine remain high, with Vortec predicting that the full-scale machines will produce electricity at about 4 cents/kWhr, or about half that of...

Category: Vortec Vortec

Concentrating Windsystems - Sense or Nonsense?

May 20, 1997,   by Heiner Doerner

Since 1996 we have a "new" old, huge, new-fangled saurian, a device erected in New Zealand. . .

Category: Shrouded & Ducted Wind Turbines, Vortec Vortec

Removal and Restoration Costs in California: Who Will Pay?

April 1, 1997,   by Paul Gipe

An edited version of this article appeared in the Spring 1997 issue of WindStats Newsletter (Vol. 10, No. 2).   With signs that repowering may finally be getting underway, removal and restoration...[more]

Category: Wind Energy & the Environment, FloWind

Sierra Club's Southern California Regional Conservation Committee Wind Energy Policy

February 20, 1997,  

  The following text was posted to awea-windnet on 2/20/97. This monitored news group is hosted by the American Wind Energy Association.--Paul Gipe Note: I am posting the following policy statement...[more]

Category: Wind Energy & the Environment

Windmill: Essays from Four Mile Ranch by David Romtvedt--A Review

January 1, 1997,  

Romtvedt struck a chord with me and I found myself reading this fine book through in one sitting. [more]

Category: book Reviews, News on Small Wind

Wind Power Workshop by Hugh Piggott

January 1, 1997,  

Finally, something to supplant Michael Hackleman's aging classic Wind and Windspinners. [more]

Category: book Reviews, News on Small Wind

Glossary of Wind Energy Terms

January 1, 1997,   by Paul Gipe and Bill Canter

The publisher of Windpower Monthly and WindStats Newsletter, Forlaget Vistoft, has published 1997 Glossary of Wind Energy Terms. The 100 page paperback by Paul Gipe and Bill Canter is the most...[more]

Category: Reviews Engineering & Technical Books, News on Large Wind

Wulf Test Field Site Description

January 1, 1997,   by Paul Gipe

Since 1997 Paul Gipe and Nancy Nies have used the site to gain experience installing and operating small wind turbines, to measure small turbine performance and noise emissions, and to experiment...[more]

Category: Wulf Small Wind Turbine Test Field Results

Sandia: Final Project Report: Highenergy Rotor Development, Test and Evaluation

September 1, 1996,  

Conclusion of Sandia's design development contract for FloWind's EHD Vertical Axis Wind Turbine. . .

Category: Small Vertical Axis Wind Turbines, FloWind

Wind Turbine Market Overview (Windkraftanlagen 1996 Marktübersicht)

June 1, 1996,   by Paul Gipe

Gesselschaft  für Windenergie to become the Bundesverband Wind Energie (German Wind Turbine Owners Association) since this article was written. In April 1996, the German wind energy association for...[more]

Category: Reviews of Wind Books auf Deutsch, Book Reviews of Books auf Deutsch

Windkraftanlagen Enters Third Printing

June 1, 1996,   by Paul Gipe

The third printing of the 1993 book "Windkraftanlagen" (Wind Turbines) was issued by B.G. Teugner of Stuttgart in the spring of 1996. The book, edited by Robert Gasch, began as course notes for...[more]

Category: Reviews of Wind Books auf Deutsch

Remarks by Paul Gipe at the Dedication of EDON's Wind Plant at Eemshaven, the Netherlands

May 29, 1996,   by Paul Gipe

With the completion of this wind plant, events have come full circle. The flow of visitors seeking information about wind energy has reversed. The intellectual, technical, and may I say "moral"...[more]

Category: News on Wind Energy, News on Large Wind

Kenetech Windpower (U.S. Windpower) citations in Wind Energy Comes of Age

May 1, 1996,   by Paul Gipe

Kenetech Windpower (U.S. Windpower), one of the world's largest wind companies, filed for Chapter 11 bankruptcy in May 1996.  Below is a list of references to U.S. Windpower (Kenetech Windpower) in...[more]

Category: News on Large Wind

A L'Etape de La Maturité: L'Énergie Éolienne

January 1, 1996,   by Paul Gipe

L'énergie éolienne, aujourd'hui viable sur le plan commercial, peut combler une partie importante des besoins énergétiques. . .[more]

Category: News on Wind Energy, Dispelling Myths en Francais

Wind Energy in America: A History by Robert Righter

January 1, 1996,   by Paul Gipe

"The free benefit of the wind ought not be denied to any man." [more]

Category: book Reviews, History of Wind Power, FloWind

Der Spiegel Tackles Wind

January 1, 1996,   by Paul Gipe

An early example of Der Spiegel's anti-renewables stance.[more]

Category: Reviews of Wind Books auf Deutsch, Book Reviews of Books auf Deutsch

Erosion Gullies in the Tehachapi Pass: An Example of Improper Wind Development

January 1, 1996,   by Paul Gipe

  Note: This critique was originally written in 1996. Little has changed since then except on the former FloWind site as noted. Gullies such as that in these photos conveys a callous disregard for...[more]

Category: Wind Energy & the Environment, FloWind

Presentation by Paul Gipe to the Government of Quebec on L'Energie Eolien dans le Monde

January 1, 1996,   by Paul Gipe

Ville de Quebec, Quebec, Canada

Category: Presentations by Paul Gipe

Proceedings of The European Wind Energy Association Special Topic Conference on the Economics of Wind Energy

December 1, 1995,   by Paul Gipe

The special topic conference was held in Helsinki Finland 5-7 September, 1995 by the European Wind Energy Association in collaboration with the Finnish Wind Power Association. For a good perspective...[more]

Category: Reviews Engineering & Technical Books

AWT 26 Generates Noise Complaint

August 22, 1995,   by Paul Gipe

  These comments were posted to awea-windnet and subsequently noise from the AWT 26 was abated. Eventually the turbines were removed when the manufacturer ceased operation. The installation of a...[more]

Category: News on Large Wind, News on Wind Energy, FloWind

California Projects Show Steady Improvements

June 1, 1995,   by Paul Gipe

An edited version of this article appeared in WindStats Vol 8 No 4, (Autumn 1995). Data from the California Energy Commission's Wind Project Performance report annual summaries for 1985 through 1994...[more]

Category: Wind Statistics, FloWind

Detecting Variable Speed Performance Improvements

June 1, 1995,   by Paul Gipe

An edited version of this article appeared in Vol 8 No 4, (Autumn 1995) "If there are any performance benefits to variable speed, they are difficult to find" says WindStats' contributing editor Paul...[more]

Category: Wind Statistics

Aperçu sur la Production Mondiale d'Électricité par Aérogénérateurs

May 11, 1995,   by Paul Gipe et Nancy Nies

  Préparé par Paul Gipe et Nancy Nies le 11 mai 1995  Résumé  Un aperçu sur l'exploitation de l'énergie éolienne en Amérique du Nord et en Europe: capacité installée, production, performance et...[more]

Category: News on Wind Energy, Dispelling Myths en Francais

Tilting at Windmills: Public Opinion Toward Wind Energy

May 1, 1995,   by Paul Gipe

Surveys point to broad support for wind energy despite vocal objections to some projects.[more]

Category: Wind Energy & the Environment, Debunking Myths about Wind Energy

Design as if People Matter: Aesthetic Guidelines for the Wind Industry

March 30, 1995,   by Paul Gipe

The following paper was presented at the American Wind Energy Assoc. conference in Washington, DC March 30, 1995.  ABSTRACT  Opinion surveys show that wind has high public support, but a worrisome...[more]

Category: Wind Energy & the Environment

Landowner's Guide to Wind Energy In the Upper Midwest

January 1, 1995,   by Nancy Lange and William Grant

The Guide discusses how landowners can evaluate their wind resources, how they can evaluate the economics of wind power under a variety of development scenarios, and the contractual issues a...[more]

Category: News on Wind Energy, Landowner Easements & Royalty Payments

Jules Verne Looks at Wind

January 1, 1995,   by Paul Gipe

Jules Verne's long lost novel "Paris in the 20th Century" contains an interesting passage on windmills by the father of science fiction. Set in the 1960s, a mere 100 years into the future when Verne...[more]

Category: Other Articles, News on Wind Energy

Wind Energy Comes of Age

January 1, 1995,   by Paul Gipe

John Wiley & Sons, Inc New York (1995) Never again will wind energy be seen as the domain of a disheveled miller with corn flour in his hair, furling the cloth sails on his wooden windmill. This...[more]

Category: Books-Wind Energy, Books by Paul Gipe

Wind Turbine Tower Trends

January 1, 1995,   by Paul Gipe

An edited version of this article appeared in WindStatsVol 8 No 1, (1st Quarter 1995) Portions of this article were adapted from Wind Energy Comes of Age Copyright 1995 by John Wiley & Sons. All...[more]

Category: Wind Statistics

Public Safety and Setbacks

December 1, 1994,   by Paul Gipe

    Excerpted from Wind Energy Comes of Age by Paul Gipe, John Wiley & Sons, Inc New York (1995), pages 361-364, ISBN 0-471-10924-X. This except is provided as public service and can be viewed...[more]

Category: Wind Noise, Health, & Safety, Debunking Myths about Wind Energy, Wind Energy & the Environment

The Land of the Living: The Danish Folk High Schools and Denmark's Non-Violent Path to Modernization by Steven Borish

January 1, 1994,   by Paul Gipe

The book, Land of the Living, is based on Borish's study of the Danish folkehøjskol system in the early 1980s. His book is an articulate examination of Danish culture. His theme is that Denmark could...[more]

Category: book Reviews, History of Wind Power, News on Large Wind, News on Wind Energy

California or Bust: the Wind Energy Rush of 99?

December 20, 1993,   by Paul Gipe

The following is an editorial (leader) which appeared in Windpower Monthly. Since this editorial appeared the Federal Energy Regulatory Commission disallowed California's bids and all the bids were...[more]

Category: News on Wind Energy

Repowering California Wind Power Plants

May 27, 1993,   by Paul Gipe and Paul White

Comments by the American Wind Energy Association on Repowering California's Wind Industry for the California Energy Commission's 1994 Biennial Report[more]

Category: News on Large Wind Turbines, News on Large Wind, News on Wind Energy

Wind Power for Home and Business

January 1, 1993,  

A Real Goods Solar Living Book This book is superseded by Wind Power: Renewable Energy for Home, Farm, and Business published in 2004. The new version is not only more up-to-date than the 1993...[more]

Category: Books by Paul Gipe

Let's Put Wind Energy on the California Map

August 14, 1991,   by Paul Gipe

  The following is an editorial (leader) which appeared in Windpower Monthly. By mid 1996 no wind energy visitor center had been built in California. There are, however, two travellers radio...[more]

Category: News on Wind Energy

Inventus 5 kW Power Curve

January 1, 1991,  

The Inventus 5 kW power curve was measured by Windtest Kaiser-Wilhelm-Koog in Germany using 10-minute averages. Though the turbine is rated at 5 kW it produces 4.5 kW at 12 m/s using the 10-minute...[more]

Category: Small Turbine Testing

Wind Chargers: Building Tools from the Nation's Past by Paul Gipe and Carl Judy, 1983

February 1, 1983,   by Paul Gipe

Yes, it's a very old article that just resurfaced at Mother Earth News.

Category: News on Small Wind

Popular Science: Mehrkam's Windmills--he's overpowering NASA

April 1, 1979,   by Paul Gipe

Off-the-shelf parts and simple assembly produce 250 kW at low cost.

Category: News on Large Wind

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