News about Solar, Wind and alternative green power technologies

Wind energy is another form of harnessing energy that the sun emits. Winds are formed through variation in air temperature causing different pressure. The major difference from solar energy and wind energy apart from the mechanisms used to collect the energy is that wind energy is more effective in cloudy days.

Cloudy days that would set solar technology into coma are rather positive for wind energy. Even in cloudy days wind turbine blades as long as an airplane wings can be seen turning slowly at Denmark’s west Coast.

A single mega-wind-tower can produce an approximate of 2 MW, which is as much as many solar farms such as in Germany, Leipzig.

The wind energy capacity in Denmark is sufficient to supply as much as 20 percent of the country’s total demand. There has since long been incentive to cut CO2 emission and generate energy through wind in Europe. This has made them the wind leader continent with a supply of more than 35, 000 MW of energy from wind energy and it is increasingly at the rise. Wind energy is the champion among renewable sources of energy.

Wind energy has increased drastically in the recent years. In addition, not only has its use augmented but also its size. There are wind turbines as high as, 183 meters and with blades as long as 61 meters, with a capacity of five MW. This advanced architecture is not only an improvement in energy generation capacity, but also a design enabling wind at higher altitudes to be captured.

Wind turbines erected on large green fields are a scorn to landscape views. Yet, it is a renewable source of energy. Many would indeed, accept to have one small wind turbine at their backyard as it pays for the electricity bill.

Wind turbine is going to be installed at nine different regions in the sea of the United Kingdom. The sea provides more dense and reliable source of wind energy. Although that the cost of building offshore turbine is higher, their effectiveness pays-off in terms of energy generated. The problem faced by sailboats can still be experienced by the turbine, if there are not any blows for some days.

To assure consistent supply of energy alternative sources of energy must be supplemented to the grid, when using wind energy, such as solar if not murky coal-fired power plants.

The point of energy conservation is a dominant slack that hinders both solar and wind energy to be considered as ideal. Technology to convert energy into hydrogen and other possible storage of energy is already available. However, until technology reaches a reasonable state of advancement making it economically viable to use, there are still many years to go.

The gigantic advantage of wind as well as solar energy is that it can provide with energy at small-scale. This is often referred to as distributed energy. It is impossible to set up a personal coal plant, but a windmill is feasible. Across Europe the trend of small turbines is taking off. For instance, Flagstaff, Arizona Southwest Windpower produces small wind turbines that can be carried with a hand. These are ideal to use for remote places such as in a sailboat or in a lighthouse to light a few lamps.

David Galley, the president of southwest constructed his first wind turbine from debris of a washing machine. It had a capacity to produce 2 KW from moderate energy and could supply energy to some of the appliances used at the time.

In America, utility companies are forced to pay back the energy that some households re-introduce into the grid. Practically, anyone could start to sell energy to the national grid. The annual bill could also be reduced, especially for those using air-conditioners and other energy consuming appliances. In theory, most of the varied forms of renewable energy such as wind pay for themselves.

Wind energy is a bonanza of the era, and jointly in growth with other renewable sources of energy.

Source: National Geographic