Showing posts with label Solar energy. Show all posts
Showing posts with label Solar energy. Show all posts

08 May 2009

Using Tax Credits To Minimize Your Small Wind Turbine Cost

Modern wind energy plant in rural scenery.Image via Wikipedia

by Tim McDonald

Just a few months back, before President Bush left office, he signed the revised Emergency Economic Stabilization Act of 2008 into law. In that legislation is a an opportunity for small businesses, farms, and residents to credit some of their small wind turbine cost against their tax expenses.

The Act offers a federal tax credit for 30% of the total installed cost of any wind power system with a 100 kilowatt capacity or less, but the credit will not exceed $4,000. The limitation of the Act is that it only applies to new systems installed from 3 October 2008 through to December 2016, so any current systems will get no tax relief. In addition, for home wind turbines, the credit is further limited to the lesser of $4,000 or $1,000 per kW of capacity.

Traditionally North America has had the largest market in the small wind turbine industry, but lately it was getting under-cut by its European rivals who offered greater tax relief for small wind turbine systems. So the tax incentives were very much loved by Ron Stimmel, a small wind advocate for the American Wind Energy Association (AWEA), who said:

"Congress should be thanked for realizing and supporting the small wind turbine industry as a vital player in our energy security and greener environment. These tax incentives will encourage households to reduce their power costs, and fight global warming in a real way."

Being the first federal tax subsidy for small wind turbines since 1985, industry analysts believe it could help inflate the United States wind power market by over forty-percent a year. Not to mention the equipment certification scheme that, together with the Act, could help secure America as the global market leader.

If it were not for the persistence of the AWEA requesting a 30% tax credit for small wind turbines (of no more than 100 kilowatts in capacity), perhaps the wind power marker would never have been able to compete equally with the photovoltaic (PV) market.

With both the wind and solar power industries operating in the same renewable energy market, it made sense that the legislation also offers tax relief for solar power installations. Small solar power owners receive 30% credit on the cost of the system, limited to four thousand dollars. And commercial solar owners get an unlimited 30% tax credit on their installation costs.

So how does this act affect anyone who has installed their own system? By the looks of things, DIY renewable energy enthusiasts can also enjoy the federal tax credit as long they have proof of all installation costs and the date they were incurred. But, it is best to get sound legal advice first to help you maximize any tax credit due.

With all these state and federal tax credits for renewable energy homeowners, it makes sense to get your own small wind turbine at home. No matter whether you buy an expensive commercial home wind turbine, or learn to build a cheaper one yourself, the potential for you to save a lot of money on electricity and tax expenses is a decision away. It just requires you to make the right choice.

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28 April 2009

The future of solar energy on transportation

Louis Palmer standing in the Solartaxi.Image via Wikipedia

by Bobbie McKee

Are you familiar with the World Solar Challenge? It is a race specifically for solar cars. Solar cars basically have arrays of photovoltaic cells which converts the sun's rays into usable electrical energy. The purpose of the race is to raise awareness on the use of the sun's energy on transportation and the development of other alternative forms of energy particularly the solar cells.

The future of using solar energy on transportation services may still be a little hazy given the practical difficulties involve in converting ordinary cars into solar cars but the idea is here to stay and hopefully develops into something promising and useful.

At this point, solar cars have been built to join solar car races. Very few have been constructed for practical and commercial purposes. There are several reasons why the solar car remains on the background.

The design of a solar car relies on the electrical system of the vehicle. The system controls the electricity the flows from the photovoltaic cells to the batteries, to the wheels, and to the controls. The electric motor that moves the vehicle is powered purely by the electricity produced by the solar cells. The solar cells, depending on the number installed on the vehicle, can produce more or less 1000 watts of power from the sun's rays. To give you an idea, 1000 watts is just enough electricity to power an electric iron or even a toaster.

And since the sun will most likely be covered by clouds at one time or the other, or the car goes through a tunnel or something, solar cars are equipped with batteries to serve as backup power supply for the motor. The battery packs are charged by the solar cells. However, the batteries are not charge while driving the solar car unless you intend to go very slow.

Just like a gas pedal in conventional motors, a motor controller regulates the amount of electricity that enters the motor to speed up or slow down the vehicle whenever needed. Solar cars are not that slow as perceived by almost everyone. These cars can go to as fast as 80-85 mph.

With this, you can see why solar cars are not yet into commercial production. Nowadays, solar cells can harness more than 21% of the sun's energy that hit the surface. If the time comes that the cells can actually get more energy from the sun then maybe we can see solar cars on the streets. But at this time, it is quite difficult to make a commercial production model of a solar car.

Nevertheless, there are companies who have already created some concept solar cars and are testing how road worthy they are. There's even a scooter that is street legal and runs from batteries charged from photovoltaic cells. Other possible application of solar car technologies is on golf carts which runs pretty slow in the first place and can be appreciated by golfers as well.

The future of solar energy on transportation is still not that clear. The application of solar energy on homes and buildings has been moving forward in recent years so hopefully we can find new ways of converting the sun's energy into usable electricity. And this time something that can be economically and efficiently installed in conventional cars.

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