Green Product Reviews

Small Wind Power

Distributed Wind Energy for Residential and Commercial Markets

Distributed energy generation, using a variety of renewable power technologies, is one of the most important tools for addressing the challenge of meeting the world’s growing electricity demand. Within the Renewable Distributed Energy Generation (RDEG) market, small wind systems, while a niche category, are nevertheless an important part of the solution for a variety of residential and commercial applications. ( http://www.bharatbook.com/detail.asp?id=128409&rt=Small-Wind-Power.html )

Small Wind systems are most often used in concert with another energy source, such as solar photovoltaics, diesel generation, or battery backup power. With the exception of the U.S. and U.K., small wind has not benefited from strong government subsidies or other support, and even the programs in those countries have been lacking in comparison to what has been extended to PV or large wind installations. However, a surge in demand for small wind in the U.S. is likely as a result of the recently enacted 30% uncapped dollar for dollar tax credit. The estimated size of the small wind market in 2008 was 38 MW of generation capacity, and Pike Research forecasts that the sector will grow to 115 MW by 2013, representing a compound annual growth rate (CAGR) of 25%. This translates into a market with revenues of $165 million in 2008 that will grow to nearly $412 million by 2013, representing a CAGR of 20%.

This report analyzes the market for small wind power in the context of the broader RDEG market, which also includes solar photovoltaics and fuel cell technologies. The study covers key business issues and drivers of demand for sub-utility scale wind power, including government-driven legislation and incentives as well as market-based factors. Technology and cost issues are examined in depth, as are a number of key industry players. Market forecasts include small wind generation capacity, system revenues, and installed prices through 2013 for installations in all regions of the world, with line-item segmentation for 12 key countries.

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Article Source: ArticlesBase.com – Emergence of New Technologies in Small Wind Power

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The Federal Tax Credits currently available in the US for upgrades for residential energy efficiency are significant enough to have many people thinking about energy efficiency remodeling.  There is much discussion around the cost benefits of installing solar energy systems and even geothermal heat pump systems.  But many homeowners are still asking, “Can I really power my home with wind energy?” The answer is “Yes!”

When most of us think about wind energy, we flash on images of huge turbines lined up in mid-western or off-shore wind farms. We see pictures of turbines 150 yards in diameter that sit 3000 feet above sea level.  But wind technology is advancing daily. In fact, turbine design is advancing so fast that some of the wind-energy web sites are having difficulty keeping up! 

Many farms and other residential and industrial facilities in rural areas have been using wind turbines for years to provide all power for their needs.  But as interest in powering homes with wind energy grows, new technologies are producing quieter, more attractive, turbines that can be effective at lower elevations.  In fact, there are new turbine designs that can be incorporated into landscaping design around homes. 

The economics of wind power depend on where you live, how much wind is available on a continuous basis at what elevation, and whether you plan to invest in batteries to store excess energy.  The economics of wind power also depend on whether you plan to install a stand-alone system to provide all of your energy needs or you plan to connect to the electric grid serving your area and use a wind energy system to generate power that you supply to the electric company in exchange for free energy.  Either way, a small wind system could provide all of the power your home needs with wind energy. 

You can now purchase a wind generator from Amazon.com and from several other online retailers.  You can also purchase complete wind systems from the manufacturer.  At the very least, you can do your homework online before you start talking with a local contractor.  Most states currently require that wind power systems be professionally installed by certified contractors.  Before you purchase any equipment from any source, you should discuss your options and what kind of systems are working for other homeowners in your area with your contractor.

Choices of turbines are generally based on the amount of wind power generated by the system. This is measured in kilowatts.  For example, a 1.2kW turbine produces 1200 watts. A turbine of this size installed where there is an average wind speed of 12 mph will produce about 2000 kilowatt hours of electricity per year.  The cost of a wind system usually ranges from $3,000 to $5,000 per kilowatt connected to the grid. The cost could be lower for an independent system not connected to the grid.  Turbines are expected to last about 20 years. 

In most cases, the installation cost for a 10 kilowatt residential system will be about $35,000 to $40,000.  In an energy efficient home, this system could meet all energy needs, eliminating the electric bill.  The amount of time needed to recover the cost would depend on current average monthly electric bill (e.g., a home using $200 of electricity per month, would recover $2,400 of the cost each year) and the available purchase incentives.  The incentives would begin with the current Federal Income Tax Credit of 30% of the cost of equipment and installation or $10,500 – $12,000. Many states also offer such incentives as investment tax credits, sales tax reductions, property tax reductions, and financing assistance.  Many utility companies also offer a variety of incentives, including net metering, to wind system installation.

In short, it is entirely possible to completely meet the energy needs of an energy efficient home with a wind power system that could be expected to pay for itself in as little as 10 to 15 years.

Copyright 2009 by ABCD Publishing

About the Author:

Dan Fritschen, Publisher at ABCD Publishing, is a consultant to both individuals and businesses who are trying to decide whether to remodel or move. ABCD publishing currently owns two helpful websites, www.remodelormove.com and www.remodelestimates.com.

Article Source: ArticlesBase.com – Can I Really Power My Home With Wind Energy?

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