Wind
Wind Turbines 5 to 20 Megawatts have the lowest cost per Kilowatt PDF Print E-mail


Because wind turbines are economical for relatively small project sizes
, it is feasible for small groups of investors to own a turbine project.  Local ownership increases the projects contribution to the local economy and  the number of local jobs.


wind projects 5-20 mw have lowest cost per kw
John Farrell, Energy Self Reliant States Blog


 
2 MN Counties Send $80 Million for Wind to other Countries and States PDF Print E-mail



In "Energy Self Reliant States
," David Morris and John Farrell write that the benefits of our energy resources can be of much greater benefits to states if they are locally owned.

. . . states have been the driving force behind renewable energy developments, largely because they correctly view these as economic development initiatives. In the next 20 years, the United States may invest up to $1 trillion in new renewable energy projects. All states can and should benefit from this investment. There’s a lot at stake, as characterized by Minnesota community wind developer Dan Juhl:


I live out on the Buffalo Ridge...I look out my window and I see hundreds of wind turbines. When I look at those turbines I'm happy and I'm sad... Most of those turbines are owned by our friends, the foreign multinationals. Out of two counties in Minnesota we export about 80 million dollars a year to France, Florida, Italy, Portugal, Spain. All of our energy future is going out the door when we could be turning that into something real for us.

As the data in "Energy Self Reliant States" suggests, states would do well to look inward for their energy security. This strategy can yield profound economic and social benefits. Expanding wind power to 20% of generation in several Plains states will create nearly 158,000 jobs, with 20,000 jobs beyond the construction phase of the wind farms. Local economic benefits will total over $1.6 billion a year during the wind farms operations (“Renewable Energy and Economic Potential in Iowa, Kansas, Nebraska, South Dakota,” Center for Rural Affairs, August 2009). And widely dispersed energy production can be the basis for a resilient energy system.

Through encouraging Minnesotans to invest in wind turbines by allowing them tax breaks equivalent to those given to large corporations that own wind turbines, more of the revenues from the electricity produced would remain in Minnesota and contribute to Minnesota's local economies.


 
Innovations that increase the Output of Wind Turbines PDF Print E-mail


wind lensAerodynamic inno- vation in Japan has produced a wind turbine design called the "wind lens" that includes a brim diffuser around the blades that accelerates the wind flow as it enters the turbine.  A wind turbine with a wind lens produces up to three times as much electricity as conventional wind turbines. 

The nuclear crisis at the Fukushima plant has greatly increased Japanese people's interest in renewable energy.  Wind and solar power currently provide only 0.3% of Japan's power generation. 

Because more of Japan's wind turbines would be sea based due to Japan's small land mass, they would be more expensive than land based turbines.  The wind lens would substantially reduce the cost.  Another wind turbine design called the Wind Tamer also uses a diffuser that doubles output and reduces noise from the turbine making it possible to produce electricity economically at lower wind speeds.  See article and video:  Japanese breakthrough will make wind power cheaper than nuclear.


Researcher Rajnish Sharma, of the University of Auckland in New Zealand
has designed a wind turbine that increases power production by 100 percent over the course of a year and even makes it possible to put turbines in places where they were uneconomical before by giving turbines blades that extend longer for lower speed winds, shorter for faster winds.  Standard turbine design is a compromise between making blades long enough to catch lower speed winds and making them short enough to survive in high-speed winds. 



 
In Germany, Community Owned Wind Turbines Contribute More to Local Economy PDF Print E-mail

Locally owned renewable energy can bring big economic benefits to local communities.  Half of Germany's, 43,000 megawatts (MW) of renewable energy are owned by regular farmers or citizens. John Farrell, Senior Policy Analyst at the Institute for Local Self Reliance,  reports that community ownership payments contribute 150 to 340 percent to local revenue in comparison to land lease payments by absentee corporate turbine owners.  The additional funds spread to the entire community rather than just the turbine hosts.

Local Ownership Boosts Economic Impact of Renewables

Absentee Ownership

    Locally Owned (Low)   
1.5x

LoLocally Owned (High)    3.4x


Total Economic Impact


John Farrell points out that it is important to get local communities involved in both the planning and the ownership of renewable energy projects.  See Ownership (and Money) a Cure for "Not In My Back Yard:"
 


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